scholarly journals Use of feed additives in animal agriculture: gut response in broilers

2020 ◽  
Vol 45 (1) ◽  
pp. 224-230
Author(s):  
R. T. S. Ofongo - Abule ◽  
E. Etebu
Keyword(s):  
Antibiotic Use ◽  
Feed Additives ◽  
Feed Additive ◽  
Broiler Chicks ◽  
Antibiotic Administration ◽  
Animal Agriculture ◽  
Randomized Design ◽  
Poultry Birds ◽  
Dietary Treatments ◽  
Gut Ph

Feed additives such as enzymes, probiotics, prebiotics and acidifiers are few examples of suitable alternatives to in – feed antibiotics in animal agriculture due to the ban of antibiotic use. However, the Nigerian poultry industry still experiences cases of antibiotic use. The gut benefits of alternatives to antibiotics often culminate in improved growth performance but there are or may be certain gut responses that attribute to the observed performance of poultry birds. In order to ascertain this, an experiment was conducted to evaluate the effect of antibiotic administration and enzyme supplementation on gut pH and bacteria counts. One hundred and fifty day-old broiler chicks were randomly distributed to three dietary treatments having five replicates and 10 birds per replicate. The experiment lasted forty – two (42) days and was arranged as a completely randomized design. A maize- soybean meal diet not supplemented with antibiotic or enzyme served as the control. Birds fed diet II had antibiotic (Dicoxin plus ®) administered to them. Birds fed diet III had their diets supplemented with enzyme (Roxazyme G2G®). Results indicated pH of the crop to be significantly (P<0.01) reduced by feed additive. The pH of the Ileum was least (5.65) under antibiotic administration but was not significantly different (p>0.05) different that of birds fed control and enzyme supplemented diet. Gizzard pH was acidic but not significantly (P>0.05) across all the treatments. Lactobacillus and Coliform counts were significant (P<0.05) affected by feed additive addition. It can be concluded that feed additive impact on gut pH can influence the type and population of bacteria present in the gastrointestinal tract.  

SOME OBSERVATIONS ON THE USE OF FEED ADDITIVES IN CANADIAN ANIMAL PRODUCTION

1979 ◽  
Vol 59 (2) ◽  
pp. 333-337
Author(s):  
T. F. SHARBY
Keyword(s):  
Veterinary Medicine ◽  
Feed Efficiency ◽  
Antibiotic Use ◽  
Feed Additives ◽  
Health Hazards ◽  
Potential Health ◽  
Animal Agriculture ◽  
Animal Feeds ◽  
Control Disease ◽  
And Control

Antibiotics have been used in animal feeds for almost 30 yr to improve growth, enhance feed efficiency, and control disease in birds and animals. In 1974 antibiotics used in animal feeds in Canada totalled 13.31 million dollars while those used in veterinary medicine totalled 28.8 million dollars. Antibiotics, sulfonamides and antibacterials used in human application that same year equalled 77.4 million dollars. Concerns regarding potential health hazards to humans with continued low-level antibiotic supplementation of animal feeds have resulted in a number of countries implementing or proposing more rigid legislation covering antibiotic use in animal agriculture. Possible consequences of such legislation being introduced in Canada are discussed.

Improving the Quality of Broiler Duck Carcasses with the Addition of Meniran Plan (Phylanthus niruri L.) Extract as a Feed Additive

2021 ◽  
Vol 5 (2) ◽  
pp. 201-205
Author(s):  
Lestariningsih Lestariningsih ◽  
Fatra Nonggala Putra
Keyword(s):  
Feed Additives ◽  
Feed Additive ◽  
Human Consumption ◽  
Carcass Quality ◽  
Alternative Feed ◽  
Operational Costs ◽  
Randomized Design ◽  
Level 3 ◽  
Completely Randomized Design

The purpose of this research was to determine the improvement of the carcass quality of broiler ducks with the addition of meniran extract as a feed additive. This is based on the fluctuating price of feed 70 – 80% is part of the operational costs and the prohibition on the use of antibiotics requires alternative feed additives that are safe for human consumption. This research was carried out in Juni – August 2021 in Dayu Village, Nglegok District Blitar Regency. The method used is experimental with 4 treatments and 3 replications. The design used is Completely Randomized Design. The result showed that giving meniran extract as a feed additive could improve the carcass quality of broiler duck including carcass weight and carcass percentage and dit not have a significant effect on slaughter weight. It is recommended to use meniran plan extract level 3% to improve the carcass quality of broiler ducks.

scholarly journals 184 Effects of phytogenic feed additives and Ractopamine HCl on growth performance and carcass characteristics in grow-finish pigs

2020 ◽  
Vol 98 (Supplement_3) ◽  
pp. 82-82
Author(s):  
Lan Zheng ◽  
Shelby Ramirez ◽  
G Raj Murugesan ◽  
Erika Hendel ◽  
Antonia Tacconi
Keyword(s):  
Growth Performance ◽  
Phase 1 ◽  
Carcass Characteristics ◽  
Feed Additives ◽  
Carcass Weight ◽  
Commercial Product ◽  
Feed Additive ◽  
Feeding Program ◽  
Dietary Treatments ◽  
Similar Growth

Abstract The objective of this experiment was to evaluate the effects of a phytogenic feed additive (PFA-F, Digestarom® Finish, BIOMIN America Inc.) on growth performance and carcass characteristics of grow-finish pigs compared to a control, two commercial PFA products (A and B), and a ractopamine feeding program. Two hundred pigs (Choice Genetics, BW = 24.88 ± 0.53 kg) were randomly allotted to 5 dietary treatments and fed diets based on 4 dietary phases. Dietary treatments consisted of: CON, a corn-soybean meal based diet; RAC, 4.5 ppm Ractopamine HCl was added into CON for the last 21 d; PFA-A (commercial product A) was added into CON when pigs reached 90 kg of BW; PFA-B (commercial product B) was added into CON from 75 kg of BW; PFA-F was added into CON from the beginning (25 kg of BW). Body weight and feed disappearance were recorded at the end of each phase, and carcass traits were measured at the end of the trial. Data were analyzed using the Mixed procedure of SAS. No differences were observed from phase 1 to phase 3 among the treatments. At the end of phase 4, RAC had a higher (P &lt; 0.05) BW than the CON, PFA-A, or PFA-B (127.5 vs.123.1 or 121.5 kg); however, no difference between RAC and PFA-F in BW (127.5 vs.124.0 kg) was found. Pigs fed PFA-F had a higher (P &lt; 0.05) hot carcass weight than those of fed CON or PFA-B (93.0 vs. 88.8 or 88.8 kg). No differences were found in lean percentage, fat depth, and loin depth among the treatments. In conclusion, PFA-F (Digestarom Finish) supplementation resulted in similar growth performance and hot carcass weight when compared to a Ractopamine feeding program during the grow-finish period, whereas either commercial product A or B had significantly lower performance than feeding Ractopamine.

scholarly journals Performance Index and Economic Efficiency of SASSO C44 Broilers Fed Diets Containing Graded Levels of Dried Blood-Rumen Content Mixture to Replace Roasted Soybean Meal

2018 ◽  
Vol 14 (18) ◽  
pp. 388
Author(s):  
Melkamu Bezabih Yitbarek ◽  
Birhan Tamir ◽  
Ashenafi Mengistu
Keyword(s):  
Economic Efficiency ◽  
Soybean Meal ◽  
Performance Index ◽  
Experimental Period ◽  
Rumen Content ◽  
Broiler Chicks ◽  
Treatment Groups ◽  
Feed Cost ◽  
Randomized Design ◽  
Dietary Treatments

This experiment was carried out to evaluate performance index and economic efficiency of broiler chicks fed diets containing dried blood rumen content mixtures (DBRCM) as a replacement for roasted soybean meal (RSBM). A total of 225 unsexed day-old broiler chicks (SASSO C44) were randomly allocated to five dietary treatments in a completely randomized design. Each treatment was replicated thrice with 15 birds per replicate. The experimental diets were formulated to contain 100% RSBM+0%DBRCM (T1), 80%RSBM+ 20% DBRCM (T2), 60% RSBM + 40% DBRCM (T3), 40% RSBM + 60% DBRCM(T4) and 20% RSBM+ 80% DBRCM (T5) based on a control ration contained 30% roasted soybean meal. The result showed that there was no statistical difference (P≥0.05) in performance index during the experimental period. The mean mortality was not influenced (P≥0.05) across the treatment groups. Birds fed T1 had the highest (P<0.05) and T5 the lowest (P<0.05) feed cost per kilogram feed. Feed cost per unit gain (Kg) was the highest (P<0.05) for T1 and the lowest (P<0.05) for T4 and T5. Total feed cost of the birds fed T1 was higher than those of the birds fed T5 diet. The highest (P<0.05) economic efficiency was observed for birds fed on T4 and T5. Based on this result, it could be concluded that 80% DBRCM can replace roasted soybean meal to achieve the highest economic efficiency, without affecting the performance index of broiler chicken.

scholarly journals PENGARUH PENAMBAHAN TEPUNG KUNYIT DAN BETAIN PADA RANSUM TERHADAP BERAT KARKAS, TEBAL LEMAK PUNGGUNG DAN LOIN EYE AREA BABI FINISHER (Effect of Dietary Turmeric Flour and Betain Addition on Carcass Weight, Backfat Thickness and Loin Eye Area of Finisher Pig)

2020 ◽  
Vol 8 (1) ◽  
pp. 45-50
Author(s):  
Jimmi RH Sinaga ◽  
Sauland Sinaga ◽  
Denny Rusmana
Keyword(s):  
Feed Additives ◽  
Carcass Weight ◽  
Backfat Thickness ◽  
Feed Additive ◽  
Growth Promoter ◽  
Randomized Design ◽  
Body Weights ◽  
Completely Randomized Design ◽  
Pig Carcasses ◽  
Different Doses

Antibiotic Growth Promoter (AGP) synthetic as a feed additive can stimulate growth, prevent some health problems, and improve feed efficiency. However, its journey has raised concerns due to adverse effects such as residues and microbial resistance. The use of turmeric flour and betaine as feed additives is expected to substitute the use of AGP Synthetic in improving the performance of pig carcasses and the safety of consumption. This study was aimed to examine the effect of the addition of turmeric flour and different doses of betaine in the ration on the performance of finisher period pigs. The study was conducted experimentally using a completely randomized design with four treatments and five replications. The objects of the study were 20 male and female finisher Landrace pigs with a finisher period with initial body weights of 55-66 kg/head. The study rations used were R0: basal ration, R1: R0 + 0.4% turmeric flour + 0.1% betaine, R2: R0 + 0.4% turmeric flour + 0.15% betaine and R3: R0 + 0.4% turmeric flour + 0.2% betaine. The parameters measured were carcass weight, backfat thickness, and loin eye area. The addition of turmeric flour treatment did not have any significant effects on carcass weight and thickness of the back fat of the pig. The addition of 0.4% turmeric flour and 0.15% betaine in the ration was the best treatment and resulted in a different effect on the loin eye area compared to that of R0, while treatment R1 and R3 had a similar effect on it. The result of the addition of 0.4% turmeric flour and 0.15% betaine resulted in the loin eye area of the finisher pig of 53.4 cm2

Effects of prebiotics on intestinal histo-morphometry and gut microflora status of broiler chickens

2018 ◽  
Author(s):  
A. Biswas ◽  
R. Messam ◽  
M. Kumawat ◽  
M. Namit ◽  
A.B. Mandal ◽  
...  
Keyword(s):  
Broiler Chickens ◽  
Dietary Treatment ◽  
Basal Diet ◽  
Feed Additive ◽  
Broiler Chicks ◽  
Growth Promoter ◽  
Gut Health ◽  
Treatment Groups ◽  
Dietary Treatments ◽  
Soybean Diet

A feeding trial was conducted to assess the effect of prebiotics on intestinal histo-morphometry and gut health status of broiler chickens. A total number of 240 day-old broiler chicks were randomly assigned to six dietary treatment groups having five replicates each with eight birds per replicate for six weeks. A basal corn-soybean diet was formulated that served as control (T1). The rest five test dietary treatments were prepared by adding antibiotic (bacitracin methylene di-salicylate-BMD at 0.002% of diet (T2), prebiotics i.e., mannan oligosaccharides (MOS) at 0.1% or 0.2% (T3 and T4) and fructo oligosaccharides (FOS) at 0.1% or 0.2% (T5, T6 respectively) with basal diet. Total anaerobes counts were significantly (P LESS THAN 0.05) reduced at 21 and 42 d at ileum in T2, T3 and T4 groups whereas, coliforms count were reduced (P LESS THAN 0.05) in T2 and T3 groups. However, lactic acid bacteria (LAB) count were significantly (P Less than 0.05) increased in T3 and T4 groups but lactobacillus count were increased (P less than 0.05) in only T3 group at 21 and 42 d in ileum. Villus height (VH) and width (VW) were significantly increased (P less than 0.05) at 21d and 42 d in T3 and T4 groups, whereas, at 21 d, crypt depth (CD) were increased (P less than 0.05) in T3 and T4 groups but at 42 d, CD were significantly improved in T3 and T4 or T5 and T6 groups. No significant (P>0.05) differences were observed in ratio between VH and CD at 21d or 42 d. Thus, it might he concluded that 0.1% or 0.2% MOS inclusion in basal diet improved intestinal histo-morphometry and gut health in broiler chickens and it is a better alternate feed additive to replacement of antibiotic growth promoter.

scholarly journals Effect of phytobiotics inclusion on haematological and serum indices of broiler chickens

2015 ◽  
Vol 42 (2) ◽  
pp. 168-173
Author(s):  
O. E. Lawal ◽  
D. Eruvbetine ◽  
R. A. Sobayo ◽  
O. O. Olowofeso
Keyword(s):  
Broiler Chickens ◽  
Broiler Chicken ◽  
Cholesterol Concentration ◽  
Broiler Chicks ◽  
Randomized Design ◽  
Red Blood Cell Count ◽  
Serum Biochemical ◽  
Completely Randomized Design ◽  
Biochemical Indices ◽  
Dietary Treatments

The effect of phytobiotics inclusion on haematological and serum indices of broiler chickens was investigated using 180 one day-old Arbor-acre broiler chicks in an eight weeks feeding trial. Six experimental diets were formulated to include the control diets (Og/kg), Ginger (5g/kg), Pawpaw leaf (5g/kg), Moringa (5g/kg), Turmeric(1g/kg) and Oxytetracycline (0.5g/kg) diet. These diets were assigned to six groups of 30 chicks replicated 3 times with 10 birds per replicate in a completely randomized design (CRD). Feed and water were given ad libitum. At the end of eight weeks, blood samples were collected from jugular vein of the birds and were analyzed for haematological and serum biochemical indices. The result of the analysis showed that dietary treatments significantly (p<0.05) influenced all haematological parameters studied. Ginger had the highest value of packed cell volume (45%), haemoglobin (15.05 g/dl) and red blood cell count (3.39x1012L-1) at the finisher phase. Total protein, uric acid, glucose were significant (p<0.05). Serum cholesterol value was significantly (p<0.05) lower in birds supplemented with ginger compared to other groups. It can be concluded that ginger at 5g/kg improved PCV, Hb and reduction of cholesterol concentration in broiler chicken.

scholarly journals The Effect of Dietary Inclusion of Sesame indicum Leaves on Haematology and Serum Parameters of Broiler Chickens

2019 ◽  
Vol 2 (1) ◽  
pp. 73-78
Author(s):  
Olusegun S. Adedeji ◽  
Shola R. Amao ◽  
Kayode S. Olugbemiga
Keyword(s):  
Growth Performance ◽  
Broiler Chickens ◽  
Basal Diet ◽  
Well Being ◽  
Feed Additives ◽  
Broiler Chicks ◽  
Growth Promoters ◽  
Serum Parameters ◽  
Randomized Design ◽  
Experimental Trials

Introduction: Various types of feed additives have been evaluated under commercial conditions and in experimental trials with the aim to achieve improvements on growth performance and the best economic return. Herbs, including Sesame indicum leaves, spices and various plant extracts/essential oils can be used as alternatives to replace antibiotic growth promoters as they are rich in phytochemicals (active compounds) that can be used to stimulate growth and health of the animals. The uses of all these herbs should be studied in relation to the blood and serum indices of the animals in order to determine their harmful level of consuming them by the animals. Therefore, the aim of the study is to determine the effect of different dietary inclusion levels of Sesame indicum leaves on haematology and serum parameters of broiler chickens at both starter and finisher phases. Methods: A total of one hundred and fifty 1-day old, unsexed (Marshal) broiler chicks were randomly divided into five experimental groups at rate of 30 birds per group. Each group was further subdivided into three replicates at the rate of ten chicks per replicate in a Complete Randomized Design. A maize-soybean basal diet served as control while the Sesame indicum leaves was added to the basal diets at level (0g, 10g, 20g, 30g and 40g/kg) resulting in five formulae, respectively. At the end of the 4th and 8th weeks respectively, six birds were randomly selected from each of the replicate and blood samples were collected from the jugular vein of birds for haematology and serum. Results: The results indicated that all the haematology and serum parameters were significantly (p < 0.05) affected by the different inclusion levels of S. indicum leaves but the value obtained were within the recommended range while birds fed with the diet containing 40g/kg of S. indicum leaves had the highest values. Conclusion: Inclusion of S. indicum leaves in the diets appear not to have detrimental effect on the haematology and serum parameters of the experimental birds. The study recommended that 40g/kg inclusion level be adopted as it improved growth performance and general well-being of broiler chickens.

scholarly journals Feed Additive of Binder Seaweed Grass in Fish Feed Formulation on Physical Characteristics and Efficiency

2021 ◽  
Vol 04 (01) ◽  
Author(s):  
Kiki Haetami ◽  
Keyword(s):  
Feed Efficiency ◽  
Feed Additives ◽  
Feed Additive ◽  
Fish Feed ◽  
Durability Test ◽  
Feed Formulation ◽  
Speed Test ◽  
Randomized Design ◽  
Significant Difference ◽  
Rupture Speed

The study was designed experimentally using a Completely Randomized Design, five treatments were repeated three times included the use of carboxymethyl cellulose as a control as much as 5%, and the treatment of feed additives of seaweed as much as 5%, 75%, 10% and 12.5%. The parameters measured were feed efficiency, rupture speed test, sink speed test, durability test, stability test and moisture content test using Analysis of Variance and continued with Duncan's Multiple Distance Test. The results showed that seaweed binder additive feed increased (p <0.05) durability and stability in water, but did not show a significant difference (p> 0.05) on feed efficiency, breaking speed and sinking speed. Stability of pellets in water with the addition of seaweed binders of 10% is significantly higher (p <0.05) than other pellets, i.e. after 10 - 60 minutes ranging from 82.70% -97.40% with pellet durability of 98.24% and feed efficiency of 42.93%.

scholarly journals Performance and haematology of broiler starter fed acha (Digitaria exilis staph) grains as replacement for maize

2020 ◽  
Vol 46 (2) ◽  
pp. 87-91
Author(s):  
D. P. Wumnokol ◽  
L. Y. Guluwa ◽  
M. Y. Latu
Keyword(s):  
Energy Source ◽  
Conversion Ratio ◽  
Feed Conversion Ratio ◽  
Daily Weight Gain ◽  
Broiler Chicks ◽  
Feed Conversion ◽  
Randomized Design ◽  
Dietary Treatments ◽  
Hematological Evaluation ◽  
Digitaria Exilis

An experiment was conducted to investigate the replacement value of Acha (Digitaria exilis Staph) for maize in broilers diets. Five diets were formulated in which unprocessed Acha replaced maize at 0, 25, 50, 75, and 100% levels for the starter phase. Two hundred and twenty-five unsexed Marshall Broiler chicks were weighed and randomly allotted to the five dietary treatments with three replicates per diet in a complete randomized design (CRD). The highest (P<0.05) daily feed intake (71.,90g) and (P<0.05) daily weight gain (24.60g) were obtained in the birds fed diet 5 while the best feed conversion ratio was found in diet 2 as 2.55. Hematological evaluation was done at the end of the experiment and, the dietary treatments had no significant (P>0.5) effect on RBC (x102L, WBC (x109K Hbc (g/dl) MCH (pg) and MCHC (g/dl) and had significant (P<0.05) effect on PCV%, Lymphocytes (P<0.001) and Neutrophiles (%). Unprocessed Acha (Digitaria exilis Staph) could completely (100%) replace maize as energy source in the diets of broiler chicks at starter phase.

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