Growth Performance of Rabbits Fed Palm-Press Fibres-Based Diets

An experiment was carried out to define the optimal rate of palm-press fibres in growing rabbits’ diet. In total, 64 weaned rabbits (35 days old) of Beninese breed were divided in 16 groups of 4 rabbits (2 males and 2 females) each. During six weeks, rabbits were fed with 4 complete diets containing 0% (F0, control), 5% (F5), 10% (F10), and 15% (F15) of fibres from a palm oil industry. Results demonstrated that up to 15 of palm-press fibres can be included efficiently in growing rabbits’ diet. The daily feed intake was not significantly affected by the diet (P>0.05). At 13 weeks old, the average live weights of rabbits were 1788.5 g, 1805.0 g, 1718.5 g, and 1801.3 g in respectively, F0, F5, F10 and F15 groups. No mortality of rabbits was recorded. Compared to F0, the feed conversion ratio and feeding cost decreased in the group of rabbits fed F15 diet. The carcass yield was similar between diets.

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Effect of expanded diets on growth performance, meat quality and carcass characteristics in finishing pigs

Indian Journal of Animal Research ◽

10.18805/ijar.v0iof.8498 ◽

2017 ◽

Author(s):

Xin Jian Lei ◽

Jun Bae ◽

Ju Lee ◽

Sang Lee ◽

In Kim

Keyword(s):

Growth Performance ◽

Meat Quality ◽

Soybean Meal ◽

Feed Intake ◽

Carcass Characteristics ◽

Conversion Ratio ◽

Feed Conversion Ratio ◽

Finishing Pigs ◽

Feed Conversion ◽

Daily Gain

The objective of the study was to evaluate the effects of expanded diets on growth performance, meat quality, and carcass characteristics in finishing pigs. A total of 80 finishing pigs [(Landrace × Yorkshire) × Duroc] were randomly allotted to two dietary treatments: 1) unexpanded corn-soybean meal diets; 2) expanded corn-soybean meal diets. Each treatment consisted of ten replicate pens with four pigs (2 gilts and 2 barrows) per pen. There were no differences in daily feed intake and daily gain throughout the experiment (P less than 0.05). However, expanded diets decreased feed conversion ratio compared with unexpanded diets (P less than 0.05). Expanded diets had no effect on carcass characteristics and meat quality with the exception of increased sensory evaluation (color) of meat compared with unexpanded diets (P less than 0.05). In conclusion, expanded diets can improve feed conversion ratio but have no effect on daily gain and daily feed intake and sensory evaluation of meat color.

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Effect of dietary copper and probiotic supplementation on growth performance and carcass characteristics of broiler chickens

Nigerian Journal of Animal Production ◽

10.51791/njap.v44i1.793 ◽

2020 ◽

Vol 44 (1) ◽

pp. 245-253

Author(s):

M. A. Oguntoye ◽

O. M. O. Idowu

Keyword(s):

Growth Performance ◽

Feed Intake ◽

Broiler Chickens ◽

Carcass Characteristics ◽

Conversion Ratio ◽

Feed Conversion Ratio ◽

Daily Weight Gain ◽

Feed Conversion ◽

Probiotic Supplementation ◽

Dietary Copper

This study was conducted to investigate the effect of dietary copper and probiotic supplementation on growth performance and carcass characteristics of broiler Chickens. A total of 180-day old marshal broiler chicks of mixed sex were randomly allotted to six treatment groups of 30 birds each. The Treatments were divided into three replicates of ten birds each; starter and finisher diets were formulated and fed for a period of fifty-six days. The dietary treatments were subjected to completely randomized design experimental layout which was made up of probiotic (0 and 500ppm) and copper (0, 125 and 250mg).The chicks were fed the broiler starter diet for the first 28 days and broiler finisher for the last 28 days. Treatment effect on broiler body weight, feed intake and feed conversion ratio were determined on a weekly basis. Data obtained were analyzed using analysis of variance (ANOVA) and, Duncan's Multiple Range Test was used to separate significant means. Dietary supplementation of copper and probiotic had no significant (P> 0.05) effect on final weight (FW), daily weight gain (DWG), feed intake (FI), and feed conversion ratio (FCR) at the starter phase of the experiment. However, at finisher phase, inclusion of probiotic resulted in higher significant (P < 0.05) values for FW (2214.12g/b) DWG (60.22g/b/d), FI (159.02g/b/d), and FCR (2.64). The carcass yields of the broilers were significantly (P< 0.05) influenced by copper and probiotic supplementations. However, lower value (1.07%) was obtained for abdominal fat in broilers fed 250mg Cu/kg supplemented diet. The study concluded that supplementation of copper and probiotics resulted in improved growth performance and carcass yield of broiler chickens.

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Growth performance, blood profile and economic analysis of broilers fed fermented mixture of cassava flour and bovine blood (cassablood) based diets

Nigerian Journal of Animal Production ◽

10.51791/njap.v43i2.869 ◽

2021 ◽

Vol 43 (2) ◽

pp. 254-262

Author(s):

A.O. Aniebo

Keyword(s):

Body Weight ◽

Weight Gain ◽

Growth Performance ◽

Feed Intake ◽

Control Diet ◽

Conversion Ratio ◽

Feed Conversion Ratio ◽

Feed Conversion ◽

Cassava Flour ◽

Biochemical Indices

The effect of dietary treatments on growth performance, haematological and biochemical indices of finisher broilers as well as economics of broiler production were determined in this experiment. Four broiler finisher diets were formulated with different inclusion levels of fermented cassava flour/blood mixture code-named “cassablood”. The control diet (T1) contained 0% cassablood, while diets 2, 3 and 4 contained 20%, 25% and 30% cassablood respectively. 120 four weeks old Anak broiler chicken were randomly allocated the 4 diets with 30 birds per treatment replicated 3 times with ten 10 broilers per replicate in a completely randomized design (CRD).Treatment effects on final body weight, final weight gain, feed intake and feed conversion ratio were significant (P<0.05). Birds fed cassabloodbased diets compared favourably with the control diet. 20% cassablood inclusion performed equally with the control diet in feed intake, body weight gain and feed conversion ratio. All dietary groups also showed no significant differences (P>0.05) in most haematological and serum biochemical indices of broilers except in cholesterol, glucose and triglyceride contents which differed (P<0.05) significantly Similarly, chicken on 20% and 25% inclusion levels produced significantly (P < 0.05) higher economic gains in terms of feed cost per kilogram of broiler among all the treatments. Therefore, 20 - 25% cassablood dietary inclusion level was recommended in broiler diet for production and profit maximization.

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Enhancing Growth Performance, Organ Development, Meat Quality, and Bone Mineralisation of Broiler Chickens through Multi-Enzyme Super-Dosing in Reduced Energy Diets

Animals ◽

10.3390/ani11102791 ◽

2021 ◽

Vol 11 (10) ◽

pp. 2791

Author(s):

Jacoba I. Bromfield ◽

Louwrens C. Hoffman ◽

Darwin Horyanto ◽

Elham A. Soumeh

Keyword(s):

Growth Performance ◽

Meat Quality ◽

Feed Intake ◽

Broiler Chickens ◽

Conversion Ratio ◽

Feed Conversion Ratio ◽

Energy Reduction ◽

Organ Development ◽

Feed Conversion ◽

Negative Effect

This study identified the optimal multi-enzyme dose rate at three energy levels based on the production performance of broiler chickens. A 42-day grow out trial was conducted using 576 day-old mixed-sex ROSS308 broiler chickens in a 3 × 4 factorial arrangement in a completely randomized design. Diets consisting of three metabolizable energy (ME) levels: standard energy (STD), 150 kcal/kg energy reduction (STD-150), and 200 kcal/kg energy reduction (STD-200), were cross factored with four multi-enzyme inclusion levels (0, 350, 700, and 1000 g/ton). The average daily feed intake and feed conversion ratio increased linearly (p < 0.001) as the dietary ME was reduced, and the multi-enzyme addition improved the feed conversion ratio (p < 0.05) and mitigated the negative effect of the reduced energy diets (RED) on feed intake and feed conversion ratios. Carcass composition, organ weights, and meat quality were not affected by the experimental diets. The RED decreased abdominal fat weight (p < 0.05). Total ash, calcium, and phosphorous contents of the tibia bone were improved (p < 0.04) when the RED were supplemented with the multi-enzyme. Super-dosing multi-enzymes in RED mitigates the negative effect of ME reduction on growth performance while maintaining organ development and meat quality and improving bone mineral content.

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Influence of Phytase Supplementation at Increasing Doses from 0 to 1500 FTU/kg on Growth Performance, Nutrient Digestibility, and Bone Status in Grower–Finisher Pigs Fed Phosphorus-Deficient Diets

Animals ◽

10.3390/ani10050847 ◽

2020 ◽

Vol 10 (5) ◽

pp. 847

Author(s):

Eugeniusz R. Grela ◽

Siemowit Muszyński ◽

Anna Czech ◽

Janine Donaldson ◽

Piotr Stanisławski ◽

...

Keyword(s):

Mechanical Strength ◽

Growth Performance ◽

Feed Intake ◽

Nutrient Digestibility ◽

Conversion Ratio ◽

Feed Conversion Ratio ◽

Daily Weight Gain ◽

Feed Conversion ◽

Deficient Diet ◽

Bone Status

The objective of the current study is to assess the effects of the inclusion of 6-n phytase to a phosphorous-deficient diet on the growth performance (feed intake, average daily gain, and feed conversion ratio), apparent digestibility of calcium and phosphorus, and bone characteristics of grower–finisher pigs. The experimental diets included a phosphorus-deficient diet containing 0 (negative control), 250, 500, 1000, or 1500 FTU/kg of 6-phytase, and a diet formulated to meet the phosphorus nutrient requirements of pigs (positive control). Pigs were fed the experimental diets from the time they were ~35 kg body weight until they reached slaughter weight of ~110 kg. Bone status of the metacarpal (ash, mineral content) and femur (mineralization, geometry, and mechanical strength) bones were assessed. There was no effect of dietary treatment on feed intake. Feed conversion ratio was improved following inclusion of phytase at a dose of 500 FTU/kg or higher. Phytase inclusion at a dose of 1000 FTU/kg increased the average daily weight gain of grower–finisher pigs. Phytase inclusion at a dose of 500 FTU/kg was sufficient to increase metacarpal phosphorus content. Femur mid-diaphysis ash percentage was significantly increased even after the inclusion of the lowest dose of phytase. Analysis of structural parameters of femur mechanical strength (Young’s modulus, yield stress, yield strain, ultimate stress, ultimate strain) showed that the inclusion of a phytase dose of 500 FTU/kg in growing/finishing diets was sufficient to significantly improve bone status of grower–finisher pigs at slaughter.

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172 Effects of net energy levels on feed intake pattern and growth performance of growing-finishing gilts monitored using a computerized feed intake recording system

Journal of Animal Science ◽

10.1093/jas/skz258.361 ◽

2019 ◽

Vol 97 (Supplement_3) ◽

pp. 175-176

Author(s):

Zhikai Zeng ◽

YaKuan Huang ◽

Liqiang Zhu ◽

Zhiyuan Chen ◽

Z J Yuan ◽

...

Keyword(s):

Energy Efficiency ◽

Growth Performance ◽

Feed Intake ◽

Conversion Ratio ◽

Feed Conversion Ratio ◽

Feed Consumption ◽

Net Energy ◽

Feed Conversion ◽

Phase 3 ◽

Daily Gain

Abstract This study evaluated the effects of dietary net energy concentrations on feeding behavior and growth performance of growing-finishing pigs monitored using a feed intake recording equipment (FIRE). Two hundred and sixteen (48.8 ± 5.6 kg) gilts were blocked by bodyweight and assigned randomly to 1 of 3 dietary treatments, which included low (2,350 kcal/kg), medium (2,450 kcal/kg), and high (2,550 kcal/kg) dietary NE levels. Pigs were housed in 18 pens for 68 d in four phases with 12 pigs and one FIRE station per pen. Bodyweight, feed consumption, and the amount of time and visit at the station of individual pigs were monitored every day by using FIRE. Pigs fed low NE diet spent more time (min) at the station during the first two weeks and visited the station more times with fewer amounts of time (min) per visit after two weeks compared with pigs fed medium and high levels of NE diets (P < 0.05). The speed (g/min) and amount (g/visit) of feed intake were lower (P < 0.05) during phase 3 and the overall period in low NE diet compared with pigs fed medium NE diet. Pigs fed medium NE diet tended to have a greater (P = 0.066) average daily feed intake at phase 4 than pigs fed low NE diet. Increasing NE levels linearly improved (P < 0.05) average daily gain, feed conversion ratio, and final BW during phase 3 and the overall period. However, the overall energy efficiency (Mcal NE/ kg gain) was linearly decreased with increasing NE levels. In conclusion, decreasing dietary NE to 2350 Mcal/kg resulted in more visits to feeders with slow ingestion speed compared with pigs fed diets with 2450 or 2550 Mcal/kg NE. Increasing dietary NE levels linearly improved daily gain and feed conversion ratio, but linearly decreased energy efficiency.

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PENGARUH PENGGUNAAN MINYAK KELAPA SAWIT DAN RUMPUT LAUT DALAM RANSUM TERHADAP PERTUMBUHAN, SERTA KOMPOSISI KARKAS DAN NON KARKAS KELINCI

Buletin Peternakan ◽

10.21059/buletinpeternak.v39i1.6154 ◽

2015 ◽

Vol 39 (1) ◽

pp. 17

Author(s):

Mustafidah Udkhiyati

Keyword(s):

Palm Oil ◽

Feed Intake ◽

Average Daily Gain ◽

Conversion Ratio ◽

Carcass Composition ◽

Feed Conversion Ratio ◽

Feed Conversion ◽

Treatment Groups ◽

Daily Gain ◽

All Treatment

The aim of this experiment was to study the effect of utilization of palm oil and seaweed in diet on abbit growth and carcass-non carcass composition. Twenty eight male Flemish Giant rabbits (the average age were 5 months) with average initial weight 1560±212 g were used in this research. All rabbits were randomly classified in four treatment in rations, they were R1 (control treatment = 0% palm oil+0% seaweed), R2 (5% palm oil+0% seaweed), R3 (0% palm oil+5% seaweed), R4 (2.5% palm oil+2.5% seaweed). Each treatment consists of seven replications. Individual cages (size 40x30x30 cm3) were used. The animals were reared during 40 days. All collected data were analyzed by One Way nova. The results showed that feed intake (gBK/rabbit/day) of all treatment groups were not significantly different. Meanwhile, the feed intake (gBK/BW) of R4 significantly lower (P<0.05) than others, they were R1 = 55.80±5.36 g, R2 = 55.20±8.04 g, R3 = 50.17±4.26 g, R4 = 46.25±2.21 g. Average daily gain of all treatment groups were not significantly different. Feed conversion ratio of all treatment groups were also not significantly different, they were R1 = 9.20±3.35, R2 = 6.40±1.67, R3 = 7.17±2.23 and R4 = 8.75±4.03. It is concluded that the utilization of palm oil and seaweed did not affect the feed consumption, average daily gain, feed conversion ratio and carcass-non carcass composition. (Key word: Average daily gain, Carcass, Feed conversion ratio, Feed intake, Palm oil, Seaweed)

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Supplementation of natural minerals on the performance of broiler

Bangladesh Journal of Animal Science ◽

10.3329/bjas.v48i2.46762 ◽

2020 ◽

Vol 48 (2) ◽

pp. 92-98

Author(s):

Z Ahamed ◽

SC Das ◽

B Dey ◽

MR Azad ◽

KMS Islam

Keyword(s):

Body Weight ◽

Growth Performance ◽

Feed Intake ◽

Basal Diet ◽

Conversion Ratio ◽

Feed Conversion Ratio ◽

Feed Conversion ◽

Natural Minerals ◽

Commercial Broiler ◽

Dietary Treatments

An experiment was conducted to evaluate the efficacy of AZOMITE® as source of natural minerals on growth performance of commercial broiler. A total of 1,020 day-old Cobb 500 male broiler chicks were randomly allocated to 5 dietary treatments with 6 replications per treatment having 34 chicks in each pen. The five dietary treatments were: (i) basal diet without AZOMITE®, (ii) basal diet with 0.25% AZOMITE®, (iii) basal diet with 0.50% AZOMITE® which was recommended by manufacturer, (iv) basal diet with 0.75% AZOMITE® and (v) basal diet with 1.0% AZOMITE®. Broilers were reared in open-sided gable type house for a period of 32 days. Results showed that the supplementation of AZOMITE® had significant effect on growth performance (p<0.01) of broilers. Live body weight (LBW), body weight gain (BWG), average daily gain (ADG), feed intake (FI), feed conversion ratio (FCR), European efficiency factor (EEF) and gain cost of the birds fed various levels of AZOMITE® were significantly improved as compared to the control. Meat characteristics results indicated that the treatments had no significant effect on dressing percent, thigh, drumsticks and breast percentage among the dietary groups. Taken together, it may be concluded that the supplementation of AZOMITE® in commercial broiler at 0.50 to 1.0% improved live weight, feed intake and feed conversion ratio of commercial broilers. Bang. J. Anim. Sci. 2019. 48 (2): 92-98

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Effect of dietary salt (NaCl) level on the growth performance of liquid fed growing-finishing pigs.

Proceedings of the British Society of Animal Science ◽

10.1017/s1752756200012308 ◽

2003 ◽

Vol 2003 ◽

pp. 71-71

Author(s):

C.A. Tsourgiannis ◽

V. Demečková ◽

J. Eddison ◽

P.H. Brooks

Keyword(s):

Growth Rate ◽

Growth Performance ◽

Feed Intake ◽

Conversion Ratio ◽

Feed Conversion Ratio ◽

Finishing Pigs ◽

Dietary Salt ◽

Feed Conversion ◽

Unrestricted Access ◽

Biting Behaviour

Salt (NaCl) is an essential mineral and its rate of inclusion in diets has been implicated in the development and expression of biting behaviour. Falkowskiet al., (1998) found that withholding salt from diets reduced the feed intake and feed conversion ratio of weaned pigs and significantly decreased growth rate. Studies reported by Fraser (1987), suggested that heightened appetite for salt could make pigs particularly attracted to pen mates with injured tails. More recently Tsourgiannis,et al., (2002) reported that 1.5% salt inclusion levels can significantly reduce the incidence of tail-biting, providing that there is unrestricted access to fresh water. This study investigated the effect on growth performance of pigs fed liquid diets containing high and low dietary salt levels for growing/finishing pigs.

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Digestible threonine and its effects on growth performance, gut morphology and carcass characteristics in broiler Japanese quails (Coturnix coturnix japonica)

South African Journal of Animal Science ◽

10.4314/sajas.v48i4.14 ◽

1970 ◽

Vol 48 (4) ◽

Author(s):

M.F. Rasheed ◽

M.A. Rashid ◽

Saima, A. Mahmud ◽

M.S. Yousaf ◽

M.I. Malik

Keyword(s):

Growth Performance ◽

Feed Intake ◽

Carcass Characteristics ◽

Conversion Ratio ◽

Feed Conversion Ratio ◽

Gut Health ◽

Feed Conversion ◽

Villus Height ◽

Japanese Quails ◽

Meat Type

Threonine is the third limiting amino acid in corn-soy-based poultry diets and has an important role in body and intestinal development of chicken. Although work on threonine (Thr) in chicken is well established, information about the effects of digestible threonine (dThr) on quail performance is limited. Therefore, the current study was designed to determine the impact of increasing levels of dThr on growth performance, feed conversion ratio (FCR), gut health and carcass characteristics in meat-type quails. A total of 324 mixed-sex day-old quail were randomly allocated to three treatments with six replicates per treatment and 18 birds per replicate. There were three dietary treatments, namely control (C) with recommended levels of dThr according to the Brazilian Tables guidelines for Japanese quails: 10% dThr (C diet supplemented with 10% more dThr) and 20%dThr (C diet supplemented with 20% more dThr). At day 35 of the experiment, three birds from each pen were slaughtered. A duodenal sample was collected and preserved to evaluate gut health. The carcass characteristics were determined from the slaughtered birds. Total feed intake and average daily feed intake were higher in the C treatment than in 10% dThr. Final bodyweight (BW), weight gain and average daily gain (ADG) increased linearly. The birds fed diets supplemented with 20% extra dThr had the highest final weight and bodyweight gain (BWG) compared with those birds that were fed on C and 10% dThr supplemented diets. Feed conversion ratio was improved in 10% dThr compared with the C birds. Villus height (VH) was similar among treatments. The highest crypt depth (CD) was observed in C, followed by 10% dThr and 20% dThr. The birds fed 20% dThr had higher VH:CD than 10% dThr. The birds in the C treatment had lowest VH:CD. Carcass weights with and without giblets were higher in the 20% dThr than in the 10% dThr and C treatments. Breast mass yield (BMY) was greatest in 20% dThr compared with C and 10% dThr. It may be concluded that supplementation of Thr higher than the requirements referred to in Brazilian Tables improves growth performance and gut health of meat-type quail.Keywords: Crypt depth, mucin, performance, quail, villus height

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