scholarly journals Growth performance, nutrients digestibility and economy of feed conversion of broiler chickens fed diets containing cowpea milling waste and plantain peel meal mixture

2021 ◽  
Vol 47 (6) ◽  
pp. 82-90
Author(s):  
A. A. Malik ◽  
Y. S. Kudu ◽  
A. J. Mohammed
Keyword(s):  
Weight Gain ◽  
Growth Performance ◽  
Feed Intake ◽  
Broiler Chickens ◽  
The Other ◽  
Feed Conversion ◽  
Total Cost ◽  
Feed Cost ◽  
Inclusion Level ◽  
Nutrients Digestibility

A total of 144, one-day-old Arbor Acre chicks were used to investigate the effect of feeding diets containing cowpea milling waste and plantain peel meal mixture (CMWPPM) on the growth performance, nutrients digestibility and economy of feed conversion of broiler chickens. The birds were randomly allotted to four dietary treatments in a completely randomized design model, and consisted of 0, 10, 20 and 30 % dietary inclusion levels of CMWPPM. Each treatment was replicated three times with 12 chicks per replicate, making a total of 36 chicks per treatment. The experiment lasted for seven weeks. Nutrients digestibility studies were carried out at the 3rd and 7th week of the experiment using speciallydesigned metabolism cages. Results showed that at the starter phase, birds on CMWPPM 0% had significantly (P<0.05) higher feed intake, while birds on CMMPPM 20 % had significantly (P<0.05) lower feed intake than birds on the other treatments. The cost of feed and total cost of feed intake were significantly (P<0.05) higher for CMWPPM 30 % and significantly lower for CMWPPM 20 % than for the other treatments; while feed cost per kg weight gain had no significant difference across the treatments. At the finisher phase, there were no significant differences in all the growth performance parameters measured across the treatment groups. However, total cost of feed intake was significantly (P<0.05) higher for CMWPPM 10 % and significantly (P<0.05) lower for CMWPPM 20 %. The feed cost per kg weight gain was significantly (P<0.05) higher for CMWPPM 10 % and significantly (P<0.05) lower for CMWPPM 20 % and 30 % diets. Results of nutrients digestibility at the starter phase show that though dry matter, crude protein, crude fibre and nitrogen free extract digestibility were significantly (P<0.05) different across the treatments, there were no significant (P>0.05) difference in the overall total digestible nutrient across the diets. For the finisher phase, as the level of CMWPPM increased in the diets, the CP, CF, ash, lipid, NFE and TDN decreased across the treatments Therefore, it is concluded that the inclusion level of CMWPPM in the diet of broiler chickens should not exceed 20 % for optimum economy of feed conversion at the finisher phase; whereas birds can be fed diets containing 30 % dietary inclusion level of CMWPPM with good economy of feed conversion at the starter phase.   Un total de 144 poussins de 'Arbor Acre' âgés d'un jour a été utilisés pour étudier l'effet des régimes alimentaires contenant des déchets de 'cowpea' et du mélange de repas defarine d'écorce de 'plantain'. (Le 'CMWPPM') sur les performances de croissance, la digestibilité des nutriments et l'économie de la conversion alimentaire des poulets de chair. Les oiseaux ont été attribués au hasard à quatre traitements diététiques dans un modèle de conception complètement aléatoire, et consistaient en des niveaux d'inclusion alimentaire de 0, 10, 20 et 30% de 'CMWPPM'. Chaque traitement a été répété trois fois avec 12 poussins par répétition, soit un total de 36 poussins par traitement. L'expérience a duré sept semaines. Des études de digestibilité des nutriments ont été réalisées à la 3ème et 7ème semaine de l'expérience en utilisant des cages de métabolisme spécialement conçues. Les résultats ont montré qu'à la phase de démarrage, les oiseaux sous 'CMWPPM' 0% avaient une ingestion alimentaire significativement (P <0,05) plus élevée, tandis que les oiseaux sous 'CMMPPM' 20% avaient une ingestion alimentaire significativement (P <0,05) inférieure à celle des oiseaux sur les autres traitements. Le coût de l'alimentation et le coût total de la prise alimentaire étaient significativement (P <0,05) plus élevés pour CMWPPM 30% et significativement plus faibles pour CMWPPM 20% que pour les autres traitements ; tandis que le coût de l'alimentation par kg de gain de poids n'avait pas de différence significative entre les traitements. Lors de la phase de finition, il n'y avait pas de différences significatives dans tous les paramètres de performance de croissance mesurés dans les groupes de traitement. Cependant, le coût total de l'ingestion alimentaire était significativement (P <0,05) plus élevé pour CMWPPM 10% et significativement (P <0,05) inférieur pour CMWPPM 20%. Le coût de l'alimentation par kg de gain de poids était significativement (P <0,05) plus élevé pour le CMWPPM 10% et significativement (P <0,05) inférieur pour les régimes CMWPPM 20% et 30%. Les résultats de la digestibilité des nutriments à la phase de démarrage montrent que bien que la digestibilité de la matière sèche, des protéines brutes, des fibres brutes et de l'extrait sans azote soient significativement différentes (P <0,05) d'un traitement à l'autre, il n'y avait pas de différence significative (P> 0,05) dans le total de nutriments digestibles à travers les régimes. Pour la phase de finition, au fur et à mesure que le niveau de 'CMWPPM' augmentait dans les régimes alimentaires, le 'CP', les 'FC', les cendres, les lipides, l'NFE et le TDN diminuaient au fil des traitements. Par conséquent, il est conclu que le niveau d'inclusion de 'CMWPPM' dans l'alimentation des poulets de chair dépasse 20% pour une économie optimale de la conversion des aliments lors de la phase de finition ; tandis que les oiseaux peuvent être nourris avec des aliments contenant 30% de taux d'inclusion alimentaire de 'CMWPPM' avec une bonne économie de conversion alimentaire lors de la phase de démarrage.

scholarly journals An assessment of the influence of macronutrients on growth performance and nutrient utilisation in broiler chickens by nutritional geometry

2016 ◽  
Vol 116 (12) ◽  
pp. 2129-2138 ◽  
Author(s):  
Sonia Y. Liu ◽  
Peter H. Selle ◽  
David Raubenheimer ◽  
David J. Cadogan ◽  
Stephen J. Simpson ◽  
...  
Keyword(s):  
Weight Gain ◽  
Growth Performance ◽  
Energy Intake ◽  
Feed Intake ◽  
Broiler Chickens ◽  
Muscle Protein ◽  
Feed Conversion ◽  
Response Curves ◽  
Protein Energy ◽  
Nutrient Utilisation

AbstractThe right-angled triangle mixture experiment was designed to include fourteen diets with different concentrations of starch, protein and lipid. Experimental diets were offered to male Ross 308 broiler chickens from 10 to 23 d after hatching, and response curves and surfaces were generated to illustrate the influence of macronutrients on growth performance and nutrient utilisations. Despite the primary function of macronutrients, especially protein, may not be providing energy, macronutrients were expressed as energy derived from starch, protein and fat for statistical purposes in the mixture design. Energy derived from lipid had a greater impact on feed intake than energy derived from starch and protein. When we compared the influence of starch and protein on feed intake, ‘equal distance rule’ was observed, which means the animal consumes feed to the point on its respective nutritional rails where the shortage of starch exactly equals the surplus of consumed protein. Increasing the protein-derived energy intake increased weight gain in broiler chickens, whereas energy intake derived from starch and lipid had little impact on weight gain. Feed conversion ratio (FCR) may be reduced by either increasing protein energy intake or decreasing starch energy intake. As the slope of the contours was less than 1, the influence of starch energy intakes on FCR exceeded that of protein energy intakes. In conclusion, energy derived from protein is more important than non-protein energy in terms of weight gain, and a balance between protein and energy supplies is required for efficient muscle protein deposition.

scholarly journals Performance, nutrients digestibility and economics of production of finisher broiler fed diets containing Euphorbia heterophylla leaf meal

2021 ◽  
Vol 48 (5) ◽  
pp. 223-238
Author(s):  
S. O. Upah ◽  
A. I. Okwori ◽  
K. T. Orayaga
Keyword(s):  
Weight Gain ◽  
Growth Performance ◽  
Nutrient Digestibility ◽  
Daily Weight Gain ◽  
Poultry Production ◽  
Total Cost ◽  
Leaf Meal ◽  
Feed Cost ◽  
Carcass Parameters ◽  
Nutrients Digestibility

The high cost of feed has become a great challenge in poultry production. Good quality and cheap feed is therefore crucial for optimal growth performance of poultry chickens. In this study the effect of Euphorbia heterophylla Leaf Meal (EHLM) on the performance, carcass characteristics, nutrients digestibility and economics were evaluated. Broiler chicks numbering one hundred and eighty (180) of Ross 308 strain were fed for 4 weeks. The birds were randomly allotted to six experimental diets with three replications of 10 birds each. The diets were formulated with the inclusion of EHLMat 0, 5, 10, 15, 20 and 25% levels, for T1, T2, T3, T4, T5 and T6 which replaces soyabean meal respectively and data collected were subjected to analysis of variance in a completely randomized design. Results obtained indicated that the experimental diets significantly (P<0.05) affected the average feed intake and average daily protein intake, while the average daily weight gain, average feed conversion ratio, average daily protein efficiency ratio and average final live weight were not affected (P>0.05); mortality was not affected (P>0.05) by the diet. Carcass parameters, carcass cut and internal organs such as fasted liveweight, plucked weight, dressed weight, breast weight, thigh, drum stick, neck, shank and wings, heart, empty gizzard, lungs, spleen, pancreas, small intestine and esophagus weights showed no significant (P>0.05) difference while back, head, liver, proventriculus, kidney, abdominal fat, large intestine and caeca weight were significantly (P<0.05) different. The GIT length was affected (P<0.05) by the diet except the caeca length. The nutrient digestibility of CP and NFE did not showed significant (P>0.05) effect, but CF, EE and Ash were affected (P<0.05) by the dietary treatments. The nutrient digestibility of 5%, 10%, 15% and 25% were higher than the control diet(0%) for the five nutrients evaluated. The economics of production showed that feed cost (N/kg weight gain), total income (birds sold) and total profit (net gain) were not significantly (P>0.05) different while the feed cost (N/chicken), cost saving due to EHLM inclusion, total cost of production (N/chicken) and feed cost as percentage of total cost were significantly (P<0.05) affected by the test diets. The result showed that birds fed diet containing 15% have better economic advantage for optimum benefit. Therefore 15% EHLM replacement of soya bean is recommended for adoption for optimum growth performance, carcass yield, nutrient digestibility and economics of production in finisher broiler chicken.     Le coût élevé des aliments pour animaux est devenu un grand défi dans la production avicole.Une alimentation de bonne qualité et bon marché est donc cruciale pour des performances de croissance optimales des poulets de volaille. Dans cette étude, l'effet de la farine de feuilles d'Euphorbia heterophylla (EHLM) sur la performance, les caractéristiques de la carcasse, la digestibilité des nutriments et l'économie ont été évalués. Des poussins de chair au nombre de cent quatre-vingts (180) de souche Ross 308 ont été nourris pendant 4 semaines. Les oiseaux ont été répartis au hasard dans six régimes expérimentaux avec trois répétitions de 10 oiseaux chacune. Les régimes ont été formulés avec l'inclusion d'EHLM à 0, 5, 10, 15, 20 et 25%, pour T1, T2, T3, T4, T5 et T6 qui remplace respectivement le tourteau de soja et les données collectées ont été soumises à une analyse de variance. dans une conception complètement aléatoire. Les résultats obtenus ont indiqué que les régimes expérimentaux affectaient significativement (P<0,05) la consommation alimentaire moyenne et la consommation quotidienne moyenne de protéines, tandis que le gain de poids quotidien moyen, le rapport de conversion alimentaire moyen, le rapport d'efficacité protéique moye quotidien et le poids vif final moyen n'étaient pas affectés ( P>0,05) ; la mortalité n'a pas été affectée (P>0,05) par le régime alimentaire. Les paramètres de la carcasse, la coupe de la carcasse et les organes internes tels que le poids vif à jeun, le poids plumé, le poids paré, le poids de la poitrine, le poids de la cuisse, de la baguette, du cou, du jarret et des ailes, le poids du cœur, du gésier vide, des poumons, de la rate, du pancréas, de l'intestin grêle et de l'œsophage ont été montrés aucune différence significative (P> 0,05) alors que le poids du dos, de la tête, du foie, du proventricule, des reins, de la graisse abdominale, du gros intestin et des caeca étaient significativement différents (P< 0,05). La longueur GIT a été affectée (P < 0,05) par le régime, à l'exception de la longueur des caeca. La digestibilité des nutriments du CP et du NFE n'a pas montré d'effet significatif (P>0,05), mais CF, EE et Ash ont été affectés (P<0,05) par les traitements diététiques. La digestibilité des nutriments de 5 %, 10 %, 15 % et 25 % était supérieure à celle du régime témoin (0 %) pour les cinq nutriments évalués. L'économie de la production a montré que le coût de l'alimentation (N/kg de gain de poids), le revenu total (oiseaux vendus) et le bénéfice total (gain net) n'étaient pas significativement différents (P>0,05) alors que le coût de l'alimentation (N/poulet), la réduction des coûts en raison de l'inclusion de l'EHLM, le coût total de production (N/poulet) et le coût des aliments en pourcentage du coût total ont été significativement (P<0,05) affectés par les régimes d'essai. Le résultat a montré que les oiseaux nourris avec un régime contenant 15 % ont un meilleur avantage économique pour un bénéfice optimal. Par conséquent, il est recommandé d'adopter un remplacement EHLM de 15 % du soja pour des performances de croissance optimales, un rendement en carcasse, une digestibilité des éléments nutritifs et des économies de production dans le poulet de chair de finition. 

scholarly journals Performance, nutrient digestibility and feed cost benefit of finisher broiler chickens fed diets supplemented with Crina poultry plus

2020 ◽  
Vol 46 (1) ◽  
pp. 177-187
Author(s):  
R. S. Onabanjo
Keyword(s):  
Weight Gain ◽  
Growth Performance ◽  
Broiler Chickens ◽  
Live Weight ◽  
Cost Benefit ◽  
Nutrient Utilization ◽  
Nutrient Digestibility ◽  
Feed Conversion ◽  
Treatment Groups ◽  
Feed Cost

A study was carried out to determine the effect of Crina Poultry Plus®, a natural blend of essential oils and benzoic acid. on the growth performance, carcass yield and nutrient digestibility of broiler chickens. Six treatment diets were formulated by the addition of Crina Poultry Plus (CPP®) at 0, 0.2, 0.3, 0.4, 0.5 and 0.6g/kg of feed. Two hundred and forty day-old chicks were allocated to the six dietary treatments with each treatment having four replicates. Each replicate had 10 broilers. The parameters measured were live weight, live weight gain, feed intake, feed conversion, protein efficiency ratio, carcass and organ    characteristics, nutrient utilization and feed cost benefit. Results of growth performance showed that there were no significant differences (P>0.05) across the treatment groups, but birds fed diets supplemented with CPP® had significantly heavier body weight (BW), higher average daily weigh gain live weight gain and similar feed conversion ratio when compared with the control group. The dressing percentage, thigh, drum stick, breast cut and back cut were not significantly (P>0.05) different across the treatment groups but those fed diet supplemented with CPP® had higher values when compared with the control diet. The supplementation of CPP® improved nutrient digestibility in broiler chickens. Birds fed diet containing 0.6g of CPP® had numerically lower cost per kg of weight gained compared to other treatment groups. It can be concluded that the addition of 0.6 g CPP® in broiler diets improved performance, carcass, organ characteristics and nutrient utilization of broilers.

scholarly journals Effect of ghrelin peripheral administration on growth performance, carcass quality, and selected serum parameters in broiler chickens

2020 ◽  
Vol 71 (1) ◽  
pp. 2047
Author(s):  
H. AGHDAM SHAHRYAR ◽  
A. LOTFI
Keyword(s):  
Weight Gain ◽  
Growth Performance ◽  
Feed Intake ◽  
Broiler Chickens ◽  
Conversion Ratio ◽  
Feed Conversion Ratio ◽  
Carcass Quality ◽  
Feed Conversion ◽  
Short Term

The aim of present study was to investigate the short-term and long-term effect of the peripheral administration of ghrelin on the growth performance (feed intake, weight gain, and feed conversion ratio), carcass quality, and selected serum biochemical (glucose, total cholesterol, triglyceride, and total protein) and hormonal (T3, T4, and corticostrone) indices in broiler chickens. 240 one-day-old broiler chickens were selected, and allocated into three treatment groups (control and two experimental groups). On day-21 of the rearing period, ghrelin was peripherally administrated to three experimental groups. The control group contained birds without any administration of peptide or solution, groups G50 and G100; included birds with Ip-injection of 50 and 100 (ng/100g BW) ghrelin peptide, respectively. The peripheral administration of exogenous ghrelin did not affect feed intake, body weight gain (BWG), feed conversion ratio (FCR) and carcass characteristics in broiler chickens. In short-term samples taken 12h after ghrelin infusion, the glucose level was increased in ghrelin-treated groups (162 and 151 mg/dl in G50 and G100 compared with 117 mg/dl in control; P< 0.01) and there were significant declines for TC, triglyceride, and TP in the ghrelin-treated groups (G50 and G100) compared with the control. In addition, long-term glucose level has a greater value in G50 and G100 (182 and 200.66 mg/dl) compared with control (133.60 mg/dl) group (P< 0.01). A significant decline was also observed for TC and triglyceride content in the ghrelin-treated groups (P<0.05). There was no significant difference among groups for TP in short-term and long-term samples. There was a significant increase for T4 in ghrelin-treated groups (G50 and G100) compared with the control (4.55 and 4.57 ng/ml vs 4.20 ng/ml respectively; P< 0.05) in long-term samples. In conclusion, the peripheral administration of ghrelin in broiler chickens, during the commercial rearing period did not affect the overall growth performance, carcass quality and feed conversion ratio. The infusion of exogenous ghrelin may increase the levels of serum glucose, decrease total cholesterol and triglyceride, and T4 levels are increased in the long-term (and not in the short-term or 12h after administration).

scholarly journals Growth performance and feed cost benefit of starter broiler chickens fed diet containing earthworm meal

2020 ◽  
Vol 47 (1) ◽  
pp. 208-213
Author(s):  
O. A. Ekine ◽  
D. N. Onunkwo
Keyword(s):  
Growth Performance ◽  
Feed Intake ◽  
Broiler Chickens ◽  
Cost Benefit Analysis ◽  
Control Diet ◽  
Cost Benefit ◽  
Broiler Chicks ◽  
Feed Conversion ◽  
Feed Cost ◽  
Significant Difference

The study was carried out to evaluate the growth performance and feed cost benefit of starter broiler chickens offered graded levels of earthworm meal in replacement for fishmeal. Atotal of 120, one day old Anak broiler chicks were procured from a reputable hatchery and allotted to four treatment groups of 30 birds each. Each group was further divided into three replicates of 10 birds per replicate. A total number of four diets were used in the feeding trial. Diet 1 (control) has fish meal and no earthworm meal, while in diets 2,3 and 4, the quantity of fishmeal in the control diet was replaced by 25%, 50% and 100% respectively with earthworm meal. No significant difference (P>0.05) was observed in the performance of the birds. On the average daily feed intake of birds in diets 2 and 4 had high (P>0.05) feed intake, followed by the birds in diets 3, while the birds in diet 1 had the lowest feed intake. But there was no significant difference (P>0.05) in feed conversion ratio. The feed cost benefit analysis revealed a significant difference (P<0.05) on cost of feed consumed. Feed cost per kg was reduced as the levels of earthworm meal increased. Replacement of fishmeal with earthworm meal at 25%, 50% and 100% has the potential to improve the growth performance of broiler birds. Therefore, it is recommended to commercial poultry farmers to use earthworm meals in their poultry feeding.

scholarly journals Growth performance, blood parameters and production cost of broiler chickens fed dietary sweet orange peel meal diets with and without enzyme addition

2020 ◽  
Vol 46 (1) ◽  
pp. 37-50
Author(s):  
T. A. Sunmola ◽  
C. D. Tuleun ◽  
O. I. A. Oluremi
Keyword(s):  
Weight Gain ◽  
Growth Performance ◽  
Feed Intake ◽  
Broiler Chickens ◽  
Production Cost ◽  
Sweet Orange ◽  
Control Diet ◽  
Orange Peel ◽  
Blood Parameters ◽  
Final Weight

The growth performance, blood parameters and production cost of two hundred and fifty two (252) Abor acre plus broiler chickens fed sweet orange peel meal (SOPM) with and without enzymes were investigated. The experimental diets consist of control (T ), maize was 0 replaced with SOPM at 15, 20 and 25 % without exogenous enzymes to form T , T and T 1 2 3 respectively, and another supplemented with exogenous enzyme to form T , T and T 4 5 6 respectively. The birds were randomly allocated to seven treatment groups replicated three times to have 12 birds per replicate and were fed experimental diet ad-libitum for eight weeks. Result showed that broiler chickens fed control diet (T ) had significantly (P<0.05) 0 higher final weight (FW) of 2.44kg, weight gain (WG) of 42.91, feed intake (FI) of 86.53, better feed conversion ratio (FCR)of 2.01 and protein conversion ratio (PCR)of 0.44 compared to other dietary treatments. Broiler chickens fed T and T had significantly 1 4 (P<0.05) higher final weight of 1.98 and 1.98 kg, weight gain of 34.69 and 34.71 g and feed intake of 78.35 and 81.63 g respectively while significantly (P<0.05) least values of 1.75 and 1.80 kg final weight, 30.73 and 31.49 g weight gain and 69.47 and 71.84 g feed intake respectively were recorded in broiler chickens fed T and T . Haematological indices namely: 2 5 PCV, RBC, WBC and Hb were not significantly different (P>0.05) but MCV, MCH, MCHC, lymphocytes, heterophil, eosinophil and monocytes differed significantly (P<0.05). Serum biochemical indices namely total protein, albumin, globulin and uric acid were significantly (P<0.05) influenced by the experimental diets. Though, there was no detrimental effect of SOPM and enzyme on production cost as profit was made at all replacement levels of SOPM with and without enzyme treatment, but profit per bird (N) and cost to benefit ratio revealed the superiority of the broiler chickens fed control diet (T ). Based on the results obtained, 0 SOPM can replace maize up to 25 % without posing any deleterious effect on the broiler chickens growth performance, blood parameters and production cost. However, the cost to benefit ratio was compromised with the use of SOPM. 

Performance and slaughter characteristics of broiler chickens fed different sources of maggot meal

2020 ◽  
Vol 44 (2) ◽  
pp. 262-270
Author(s):  
O. O. Egbewande ◽  
A. A. Jimoh ◽  
B. Y. Amore ◽  
B. Y. Amore
Keyword(s):  
Weight Gain ◽  
Feed Intake ◽  
Broiler Chickens ◽  
Fish Meal ◽  
Body Weight Gain ◽  
Proximate Analysis ◽  
Feed Conversion ◽  
Performance Indices ◽  
Randomized Design ◽  
Different Sources

In this study, the effect of three different sources of maggot meals was conducted to evaluate the performance and slaughter characteristics of broiler chickens. Five diets were formulated to include Diet 1 (control) which contained 3.5 % fish meal, while Diets 2, 3 and 4 contained 3.5% maggot meal from broiler droppings (BMM),maggot meal from layers droppings (LMM) and maggot meal from rabbit faeces (RMM) respectively. Eighty (80) dayold unsexed Marshall Broilers were randomly allotted to four dietary treatments in a completely randomized design (CRD). Thedietary treatments had 20 birds each with two (2) replicates. Data were generated on proximate analysis and performance indices including feed intake and weight gain, slaughter characteristics and mortality rate. They were subjected to analysis of variance (ANOVA) and means significantly different were separated using Duncan's Multiple Range Test (DMRT) at 5% probability level. Results from proximate analysis showed that maggots from layer droppings had the highest crude protein and ether extract. Results on performance indices showed that birds fed on diet 3 (layer maggot meal) had significantly (P<0.05) best performance than others as regards feed intake. Layer maggot meal (LMM) in this study enhanced bestproductive performance compared to those from broiler and rabbit maggot.Birds fed layer maggot meal had the best (1.85) feed conversion ratio. They also had the best body weight gain (2501g) and feed intake (4627g). In conclusion, layer maggot meal is recommended as analternative animal protein source to expensive fish meal.

Effect of silicon oxide supplementation in broiler chickens' drinking water on performance and litter quality under tropical environment

2020 ◽  
Vol 47 (4) ◽  
pp. 132-138
Author(s):  
E. Opoola
Keyword(s):  
Drinking Water ◽  
Weight Gain ◽  
Broiler Chickens ◽  
Litter Quality ◽  
Silicon Oxide ◽  
Conversion Ratio ◽  
Feed Conversion Ratio ◽  
Feed Conversion ◽  
Final Body Weight ◽  
Feed Cost

The present study was conducted to determine the effect of silicon oxide in broiler chickens drinking water on performance and litter quality. A total of 120, one-day old mixed sex broiler chicks were randomly divided into 4 treatments and 3 replications, with 10 birds in each replicate in a completely randomised experimental design, with 4 silicon levels (0.00, 1.50, 2.00 and 2.50 mg of silicon oxide/litre of water. Corn-soya based diets were formulated at the starter (0–4 weeks) and finisher (5–8weeks) phases and were supplied ad libitum with free access to water. The average daily temperature and relative humidity inside the poultry house were 35.9 °C and 36%, respectively. At the starter phase, chicks administered 2.00mg silicon oxide/litre of water had significantly (p<0.05) higher final body weight (991.00g) and average weight gain (950.96g) compared to chicks without silicon oxide 778.57 g and 738.54g. The inclusion of 2.00 mg silicon oxide/litre of water improved feed conversion ratio compared to the control group (p < 0.05) and significantly reduced feed cost per kg gain. For the finisher phase, chickens administered 2.00mg silicon oxide/litre of water had the best results for final weight, weight gain and feed cost per kg gain. Also, inclusion of silicon oxide in broiler chickens water improved litter quality as predominantly dry material but with some areas of wet shavings was observed. In conclusion, silicon oxide in broiler chickens drinking water at 2.00mg/litre of water enhanced growth performance, improved feed conversion ratio and litter quality as well as reduced feed cost per kg gain at the starter and finisher phases respectively.

Haematology and growth performance characteristics of broiler birds fed abattoir wastes (bovine blood and rumen content)

2020 ◽  
Vol 47 (3) ◽  
pp. 67-76
Author(s):  
D. N. Onunkwo ◽  
O. A. Ekine
Keyword(s):  
Weight Gain ◽  
Growth Performance ◽  
Feed Intake ◽  
Performance Characteristics ◽  
Daily Weight Gain ◽  
Rumen Content ◽  
Broiler Chicks ◽  
Bovine Blood ◽  
Feed Conversion ◽  
Final Body Weight

This study was conducted to assess the effects of abattoir wastes (bovine blood and rumen content mixture) on the haematology and growth performance characteristics of broiler birds. One hundred and twenty (120) unsexed day old Abor acre broiler chicks were randomly assigned to 4 treatments and replicated 3 times in a completely randomized design (CRD) experiment. Four experimental diets were formulated to meet the nutrient requirement of broilers such that the birds were fed sundried abattoir waste (bovine blood and rumen content mixture) included at 0%, 5%, 10% and 15% representing Diet 1, 2, 3 and 4 respectively, with Diet 1 as the control. Each dietary treatment consists of 30 birds with 10 birds per replicate. The experimental diets and clean water were supplied at- libitum throughout the experimental period. Data were collected on feed intake, daily weight gain, final body weight, weight gain. Feed conversion ratios were calculated. Blood samples for hematology was collected, analyzed and recorded. At the end of the 56 days feeding trials, data collected on different parameters were subjected to analysis of variance (ANOVA). Results showed that mixtures of bovine blood and rumen content significantly (P<0.05) improved the final weight (1767.02g -1931.44g), weight gain (1367.02g -1528.44g), feed intake (107.47g -118.99g) and feed conversion ratio (4.87 – 4.08) of the broilers. Significant (P<0.05) improvements were observed on the RBC, WBC, MCV, MCH, eosinophyls and the lymphocytes of the haematological parameters of the broilers. These results showed the complementary potentials of bovine blood and rumen content mixture in broiler diets, which can be included up to 15% in the ration of broilers without detrimentally affecting the growth performance and haematology of the broilers.

scholarly journals Effect of stocking density on performance, carcass yield, productivity, and bone development in broiler chickens Cobb 500®

2017 ◽  
Vol 38 (4Supl1) ◽  
pp. 2705
Author(s):  
Cleoneide Dos Santos Henrique ◽  
Andréia Fróes Galuci Oliveira ◽  
Thales Silva Ferreira ◽  
Eduardo Santos Silva ◽  
Bruna Finotti Fonseca Reis de Mello ◽  
...  
Keyword(s):  
Weight Gain ◽  
Feed Intake ◽  
Broiler Chickens ◽  
Bone Development ◽  
Stocking Density ◽  
Live Weight ◽  
Feed Conversion ◽  
Randomized Design ◽  
Total Phase ◽  
Completely Randomized Design

This study aimed to assess the effect of stocking density of 10, 12, 14, and 16 birds m?2 on performance, carcass and cut yields, productivity, and bone development of broiler chickens Cobb 500®. The experimental design was completely randomized design with four treatments (stocking densities) and four replications. The assessments were performed weekly at 1, 7, 14, 21, 28, 35, and 42 days. The best live weight result was found at a density of 10 birds m?2 in the period from 1 to 7 days. No effect of density was observed on feed intake and weight gain. From 1 to 14 days, the best live weights were found at densities of 10, 12, and 14 birds m?2, in addition to a higher feed intake at densities of 10 and 12 birds m?2. Weight gain was better at a density of 10 birds m?2, showing no differences from densities of 12 and 14 birds m?2. In the period from 1 to 21 days, live weight and weight gain were higher at densities of 10, 12, and 14 birds m?2. The highest feed intake was observed at a density of 10 birds m?2, which showed no difference from the density of 14 birds m?2. A difference (P < 0.05) was observed for live weight, weight gain, and feed intake of animals reared at densities of 10, 12, and 14 birds m?2 for the phases from 1 to 35 days and the total phase from 1 to 42 days of bird age when compared to 16 birds m?2, which presented lower performance. However, feed conversion of 1-7, 1-14, 1-21, 1-35, and 1-42 days and carcass and cut characteristics showed no significant differences for all treatments. On the other hand, productivity was higher in the treatments with 14 and 16 birds m?2, but without difference between each other. No interaction (P > 0.05) was observed between stocking density and age for the assessed bone parameters. Similarly, no difference (P > 0.05) was observed for bone development of broiler chickens reared at different stocking densities for the studied parameters. Thus, the increased density of 10 or 12 birds m?2 to 14 birds m?2 has no influence on zootechnical performance, carcass and cut yields, and bone development, but increases broiler chicken productivity reared in a conventional shed without air conditioning.

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