scholarly journals Effect of corn grain in a wet soya waste based total mixed ration silage on goat performance

2021 ◽  
Vol 6 (2) ◽  
pp. 93-96
Author(s):  
Mohammad Mijanur Rahman ◽  
Mohd Shahmi Hakimi Mazlishah ◽  
Wan Embong Wan Khadijah ◽  
Ramli Abdullah
Keyword(s):  
Average Daily Gain ◽  
Feed Conversion ◽  
Total Mixed Ration ◽  
Treatment Groups ◽  
Metabolisable Energy ◽  
Group 2 ◽  
Growing Goats ◽  
Moisture Absorbent ◽  
Soya Waste ◽  
Corn Grain

The utilisation of wet soya waste as feed is low due to difficulties of storage and transportation,which needs to reach normal technical standard and comprehensive utilisation. The aim of thisstudy was to investigate the effect of cracked corn grain as a source of moisture absorbent andenergy in a wet soya waste based total mixed ration silage on goat performance. Ten growing goatswere assigned to two feeding treatment groups for 84 days. Goats in Group 1 received Napier grass(Pennisetum purpuerum) ensiled with 30% soya waste (w/w) and 8% molasses (w/w) (T1) ascontrol, and Group 2 received same grass ensiled with 30% soya waste (w/w) and 15% crackedcorn grain (w/w) (T2). All goats received their respective silage ad libitum after 2 months offermentation. The pH in T1 silage was 4.1, while pH in T2 silage was 4.0. Goats fed T2 diet showedhigher intakes of dry matter, organic matter and metabolisable energy than those of goats fed T1diet, while it was observed vice versa for neutral detergent fibre intake. However, there was nodifference in average daily gain and feed conversion ratio between two treatment diets. Results ofthis study indicate that cracked corn grain, as a source of moisture absorbent and energy, can beused successfully in wet soya waste based total mixed ration silage for growing goats.

scholarly journals Effect of Silver Nanoparticle Administration on Productive Performance, Blood Parameters, Antioxidative Status, and Silver Residues in Growing Rabbits under Hot Climate

Animals ◽  
2019 ◽  
Vol 9 (10) ◽  
pp. 845 ◽  
Author(s):  
Magdy Abdelsalam ◽  
Ibrahim Al-Homidan ◽  
Tarek Ebeid ◽  
Osama Abou-Emera ◽  
Mohamed Mostafa ◽  
...  
Keyword(s):  
Total Cholesterol ◽  
Average Daily Gain ◽  
Blood Parameters ◽  
Equal Treatment ◽  
Feed Conversion ◽  
Antioxidative Status ◽  
Treatment Groups ◽  
Hot Climate ◽  
Total Antioxidant ◽  
Hematological And Biochemical Parameters

The influence of subcutaneous injections of silver nanoparticles (AgNPs) on rabbit performance, hematological and biochemical parameters of blood, antioxidant status, and the residues of silver in meat and blood in two breeds (New Zealand White (NZW) and Jabali) of rabbits growing under high ambient temperature was evaluated. A total of 90 six-week-old rabbits (45 NZW and 45 Jabali) were randomly distributed into three equal treatment groups (control, 0.5 mg, and 1.0 mg AgNPs/kg body weight). The treated rabbits were injected twice a week for four consecutive weeks. The results revealed that AgNPs administration had no significant effect on average daily gain (ADG), feed intake, and feed conversion ratio (FCR). The NZW breed surpassed the Jabali breed in growth performance traits, carcass weight, dressing percentage, and cuts of mid parts and hind cuts. Administration of AgNPs had a significant effect on hematocrit (HCT) and platelet (PLT) values. Rabbits injected with AgNPs at a dose of 0.5 mg showed a lower plasma concentration of total cholesterol and triglycerides than that of control rabbits. The NZW breed had significantly low platelet, total cholesterol, and triglyceride values. Rabbits injected with 0.5 mg/kg BW had the lowest total antioxidant capacity and highest malondialdehyde (MDA) and glutathione peroxidase. The Ag residues were higher in blood than those in meat in treated rabbits. The local breed (Jabali) had significantly lower residues than the imported one (NZW) either in meat or in blood. However, the amount of accumulated silver in blood plasma and meat increased with increasing dose.

scholarly journals PSX-32 Prediction of energy requirements for maintenance and growth of female Korean black goats

2019 ◽  
Vol 97 (Supplement_3) ◽  
pp. 453-454
Author(s):  
Jinwook Lee ◽  
Sang Hoon Lee ◽  
Sung Soo Lee ◽  
Dong Kyo Kim
Keyword(s):  
Growth Phase ◽  
Energy Requirement ◽  
Average Daily Gain ◽  
The Body ◽  
Metabolic Energy ◽  
Energy Requirements ◽  
Feed Conversion ◽  
Treatment Groups ◽  
Significant Difference ◽  
Improving Accuracy

Abstract The consumption of goat has changed from medicinal to meat in Korea. Thus, the population of Korean black goats (KBG) are continuously increased in recent years. However, the nutrition requirement of KBG has not been clearly defined. Therefore, this study was conducted to predict the energy requirements for maintenance and growth of female Korean black goats during their growth and pregnancy phases. Fifty female goats (18.7±0.27 kg) in their growth phase with an average age of 5 months were stratified by weight and randomly assigned into 5 groups. They were fed 5 diets varying in metabolic energy (ME) [2.32 (G1), 2.49 (G2), 2.74 (G3), 2.99 (G4), and 3.24 (G5) Mcal/kg] until they were 9-month-old. After natural breeding, 50 female goats (30.7±0.59 kg) were stratified by weight and randomly assigned into 5 groups. They were fed 5 diets varying in ME [2.32 (P1), 2.43 (P2), 2.55 (P3), 2.66 (P4), and 2.78 (P5) Mcal/kg]. The average feed intake ranged between 1.5 and 2.0% of the body weight (BW), and there was no significant difference between the treatment groups with goats in growth or pregnancy phases. Average daily gain (ADG) in diet demand during the growth phase increased with an increasing ME density and ranged from 46 to 69 g/d (P < 0.01). Feed conversion ratio (FCR) improved with the ME density during the growth phase (P < 0.01). The intercept of the regression equation between ME intake and ADG indicated that energy requirement for maintenance of goats during growth and pregnancy phases was 103.53 kcal/BW0.75 and 102.7 kcal/BW0.75, respectively. These results may serve as a basis for the establishment of goat feeding standards in Korea. Further studies are required to assess the nutrient requirement of goats using various methods for improving accuracy.

DIETARY CALCIUM-PHOSPHORUS LEVELS FOR GROWTH AND REPRODUCTION IN GILTS AND SOWS

1983 ◽  
Vol 63 (2) ◽  
pp. 443-454 ◽  
Author(s):  
R. R. GRANDHI ◽  
J. H. STRAIN
Keyword(s):  
Body Weight ◽  
Average Daily Gain ◽  
National Research Council ◽  
Maximum Growth ◽  
Feed Conversion ◽  
Treatment Groups ◽  
Calcium Phosphorus ◽  
Daily Gain ◽  
Phosphorus Levels ◽  
Growth And Reproduction

The effect of feeding barley-wheat-soya finisher, gestation and lactation diets containing (A) 1979 National Research Council (NRC) recommended calcium-phosphorus (Ca-P) levels or (B) 150% of NRC levels from 65 kg body weight (Bwt) on growth and reproduction was studied in two experiments using Lacombe (L) and Yorkshire (Y) gilts. The number of gilts used were 299 (148 L + 151 Y) and 107 (53 Y + 54 Y) in exp. 1 and 216 (106 L + 110 Y) and 101 (49 L + 52 Y) in exp. 2 during finishing and gestation-lactation periods, respectively. The reproductive performance during second parity was measured only in exp. 2 using 85 (36 L + 49 Y) primiparous sows. All pigs were housed in confinement except during breeding and gestation, when they were housed in outside dirt-lot pens. Average daily gain, feed intake, and feed conversion were similar for gilts fed finisher diets A or B in both experiments. In exp. 1, both L and Y gilts fed gestation diet B had more (P < 0.05) total (9.5 ± 0.3 vs. 8.6 ± 0.3) and live pigs (9.2 ± 0.3 vs. 8.2 ± 0.3) born and weaned (7.7 ± 0.3 vs 6.9 ± 0.2) with lower piglet weight gains at 3 wk (3.5 ± 0.1 vs. 3.9 ± 0.1 kg) and 5 wk (6.9 ± 0.2 vs. 7.5 ± 0.2 kg) when compared to gestation diet A group. These differences were not significant in exp. 2. Higher dietary Ca-P levels elevated the serum P during both gestation (7.3 ± 0.1 vs. 7.0 ± 0.1 mg/dL) and lactation (6.2 ± 0.1 vs. 5.9 ± 0.1 mg/dL) periods in exp. 1 but not in exp. 2. The changes in body weight during gestation and lactation, piglet birth weights, and weaning to estrus interval were similar for both treatment groups. These results indicated that the 1979 NRC recommended dietary Ca-P levels may be adequate to support the maximum growth and reproduction in gilts during finishing and lactation but are too low for gestation. Key words: Calcium, phosphorus, gilts, sows, growth, reproduction

scholarly journals Effect of feeding high yielding fodders on growth performance of growing Hilly Brown Bengal goat

2021 ◽  
pp. 73-81
Author(s):  
MM Rahman ◽  
NR Sarker ◽  
MA Alam
Keyword(s):  
Body Weight ◽  
Weight Gain ◽  
Growth Performance ◽  
Feed Intake ◽  
Body Weight Gain ◽  
Average Daily Gain ◽  
Feed Conversion ◽  
Treatment Groups ◽  
Natural Grass ◽  
Daily Gain

This study was carried out to evaluate the feeding effect of high yielding fodders (HYF) on feed intake and growth performance of growing Hilly Brown Bengal (HBB) goat. For this purpose, a feeding trail was conducted with 16 growing HBB kids (4 to 5 months) by dividing equally in four groups having four replicates for a period of 75 days. The goats in group T0 (control) received natural grass along with 101.30g concentrates and adlibitum cowpea hay, whereas in group T1, T2 and T3, only natural grass was replaced by BLRI Napier 3, BLRI Napier 4 and Ruzi fodder, respectively. Total dry matter intake (DMI), roughages DMI, crude protein intake (CP), body weight gain (kg), average daily gain (g) and forth night body weight gain (g/day) were studied. Results revealed that, DMI (288.39, 285.71, 293.48 and 301.35 g/day in group T0, T1, T2 and T3, respectively), body weight gain (3.60, 3.74, 3.73 and 3.77 kg in group T0, T1, T2 and T3, respectively), average daily gain (47.32, 49.16, 49.12 and 48.92 g in group T0, T1, T2 and T3, respectively) and feed conversion ratio (6.2, 5.9, 6.0 and 6.1 in group T0, T1, T2 and T3, respectively) of HBB kids were not differed significantly (P>0.05) for all the treatment groups. The DMI from roughages (196.2, 193.5, 201.3 and 209.2 g/day in group T0, T1, T2 and T3, respectively) and CP intake (38.7, 42.1, 48.3 and 38.8 g/day in group T0, T1, T2 and T3, respectively) were significantly varied (P<0.05), while highest CP intake was found in the treatment group T2. Forthnight body weight (g/day) was not significantly (P>0.05) gained with feeding of HYF for all the treatment groups. From this study, it can be concluded that, growing HBB kids could equally be supplied with either BLRI Napier 3 or BLRI Napier 4 or Ruzi fodder in addition to ad libitum cowpea hay for better voluntary feed intake and growth. Bang. J. Livs. Res. Vol. 27 (1&2), 2020: P. 73-81

scholarly journals Effect of testosterone enanthate on the growth rate of large white pigs reared in South-West Nigeria

2020 ◽  
Vol 40 (1) ◽  
pp. 19-23
Author(s):  
A. O. Ladokun
Keyword(s):  
Weight Gain ◽  
Feed Intake ◽  
Corn Oil ◽  
Average Daily Gain ◽  
Live Weight ◽  
Testosterone Enanthate ◽  
Feed Conversion ◽  
Large White ◽  
Treatment Groups ◽  
Total Weight Gain

A total of 48 large white pigs were used in an experiment to investigate the use of exogenous testosterone on the growth of pigs. The pigs were randomly selected as day old piglets, balanced for weight with equal number for each sex, and allotted to two treatment groups, T1, which received Testosterone Enanthate (TE), intramuscularly, weekly, for 24 weeks and T2, the control, which received no hormone but blank injections. Dosage was based on live weight (1.2mg/kg live weight). Corn oil served as the vehicle. The parameters measured include Total weight gain (TWG), Average Daily Gain (ADG), Average Daily Feed Intake (ADFI) and Feed Conversion Ratio. The results obtained showed that exogenous testosterone increased weight gain significantly (p<0.05) in both sexes than their respective controls. The same trend was observed for feed intake and feed conversion. Exogenous testosterone also indicated pronounced sex effect on the pigs in this study with males having significantly (p<0.05) higher values than females. It can be concluded from this study that exogenous testosterone can be used to accelerate growth thereby finishing the pigs early. A withdrawal period of 4 weeks before slaughter is however recommended.

Evaluation of hydroponics fodder as a partial feed substitute in the ration of crossbred calves

2018 ◽  
Author(s):  
G. Rajkumar ◽  
M. T. Dipu ◽  
K. Lalu ◽  
K. Shyama ◽  
P. S. Banakar
Keyword(s):  
Body Weight ◽  
Weight Gain ◽  
Body Weight Gain ◽  
Average Daily Gain ◽  
Total Body Weight ◽  
Feed Conversion ◽  
Treatment Groups ◽  
Significant Difference ◽  
Green Fodder ◽  
Total Body

An experiment was conducted to evaluate the effect of maize green fodder produced by hydroponics system on the performance of eighteen weaned crossbred calves and Calves were divided into three groups T1, T2 and T3 of six each as uniformly. The calf starter in dietary treatments T1, T2 and T3 contained 24, 20 and 17 per cent of Crude Protein (CP), respectively and 70 per cent Total Digestible Nutrients (TDN). The T2 and T3 treatments were made iso-nitrogenous with T1 by supplementing hydroponics maize fodder. The results obtained in the present study showed significant difference among different treatment groups regarding Dry matter intake (DM), total body weight gain, Average daily gain (ADG) and Feed conversion ratio (FCR) with a higher (P less than 0.05) values observed for calves belonging to T3 than groups T1 and T2. Data on digestibility of nutrients does not reveal any difference (P>0.05) among treatment groups. Cost per kg gain was significantly (P less than 0.05) lower in T3 (Rs.102.14) than groups T2 (Rs. 111.64) and T1 (Rs. 119.82). On conclusion, feeding of hydroponics maize fodder as a partial feed substitute of calf starter on protein basis at seven per cent level improves the DM intake, total body weight gain, ADG and lowers the cost per kg body weight gain.

scholarly journals Ginkgo biloba L. Residues Partially Replacing Alfalfa Hay Pellet in Pelleted Total Mixed Ration on Growth Performance, Serum Biochemical Parameters, Rumen Fermentation, Immune Function and Meat Quality in Finishing Haimen White Goats

Animals ◽  
2021 ◽  
Vol 11 (11) ◽  
pp. 3046
Author(s):  
Yinyin Chen ◽  
Xiaoxiao Gong ◽  
Tianyu Yang ◽  
Maocheng Jiang ◽  
Lin Wang ◽  
...  
Keyword(s):  
Body Weight ◽  
Average Daily Gain ◽  
Immunoglobulin M ◽  
Interleukin 4 ◽  
Control Group ◽  
Feed Conversion ◽  
Sod Activity ◽  
Final Body Weight ◽  
Total Mixed Ration ◽  
Alfalfa Hay

Sixty castrated male Haimen white growing goats with an initial age of 100 days old and similar body weight (16 ± 1.5 kg) were selected and randomly allocated into five groups with three replicates in each group with four goats in each pen (5 m × 3.2 m). Goats in the control group (CG) were fed a basal pelleted total mixed ration supplemented with 30% alfalfa hay pellet, while experimental treatments (G6, G12, G18, or G24) were supplemented with four levels (6%, 12%, 18%, or 24%) of GBLR replacing alfalfa hay pellet in the diet, separately. Results showed that (1) the final body weight, average daily gain, and average feed intake of G18 was significantly higher (p < 0.05) than CG; in contrast, the feed conversion ratio of G18 was significantly lower than CG and G12 (p < 0.05); the feed cost per head per day of CG was significantly higher (p < 0.05) than that of G18 and G24, and exhibited obvious linearly decrease (p = 0.04) with increasing GBLR supplementation; and apparent total-tract digestibility of DM and NDF in GBLR treatments were significantly higher (p < 0.05) than CG; (2) alanine transaminase (ALT) concentration in the G18 group was significantly lower (p < 0.05) than those in the control group; aspartate transaminase (AST) concentration in the G24 was significantly lower (p < 0.05) than those in the control group, and an increase in dietary level of GBLR tended to result in a linear decrease (p = 0.09) in the concentration of serum AST; (3) the concentration of malondialdehyde (MDA) demonstrated a tendency to decrease (p = 0.06) linearly with increasing GBLR supplementation; however, glutathione peroxidase (GSH-PX) activity in G12 was significantly higher (p < 0.05) than CG, G6, and G24; in addition, superoxide dismutase (SOD) activity in G18 was significantly higher (p < 0.05) than CG and G6; concentration of immunoglobulin M (IgM), immunoglobulin G (IgG), and immunoglobulin A (IgA) were not affected by GBLR, but increasing dietary GBLR showed a tendency (p = 0.08) to linearly increase the IgG concentration; the content of interleukin 4 (IL4) was significantly higher (p < 0.05) in G12, G18, and G24 than that in CG and G6; (4) There were similar NH3-N, pH, TVFA, and butyrate for goats fed different levels of GBLR supplementation; the C2 (p = 0.07) and acetate: propionate (p = 0.06) demonstrated a tendency to increase linearly with increasing level of GBLR supplementation, separately; however, it was observed that concentration of propionate showed a tendency to decrease (p = 0.08) linearly in response to GBLR supplementation; and (5) Increasing dietary GBLR tended to linearly enhance the lightness (L*) (p = 0.07) and yellowness (b*) (p = 0.09) values of longissimus dorsi muscles; the redness (a*) value in G18 was significantly higher than that in CG (p < 0.05).

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

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

<p><span><em>The aim of this experiment was to study the effect of utilization of palm oil and seaweed in diet on </em><span><em>abbit growth and carcass-non carcass composition. Twenty eight male Flemish Giant rabbits (the </em><span><em>average age were 5 months) with average initial weight 1560±212 g were used in this research. All </em><span><em>rabbits were randomly classified in four treatment in rations, they were R1 (control treatment = 0% palm </em><span><em>oil+0% seaweed), R2 (5% palm oil+0% seaweed), R3 (0% palm oil+5% seaweed), R4 (2.5% palm </em><span><em>oil+2.5% seaweed). Each treatment consists of seven replications. Individual cages (size 40x30x30 cm</em><span><em>3</em><span><em>) </em><span><em>were used. The animals were reared during 40 days. All collected data were analyzed by One Way </em><span><em>nova. The results showed that feed intake (gBK/rabbit/day) of all treatment groups were not significantly </em><span><em>different. Meanwhile, the feed intake (gBK/BW) of R4 significantly lower (P&lt;0.05) than others, they were </em><span><em>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 </em><span><em>treatment groups were not significantly different. Feed conversion ratio of all treatment groups were also </em><span><em>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. </em><span><em>It is concluded that the utilization of palm oil and seaweed did not affect the feed consumption, average </em><span><em>daily gain, feed conversion ratio and carcass-non carcass composition.</em><br /></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p><p><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><em>(Key word: Average daily gain, Carcass, Feed conversion ratio, Feed intake, Palm oil, Seaweed)</em></span></span></span></span></span></span></span></span></span></span></span></span></span></span><br /><br class="Apple-interchange-newline" /></span></span></span></p>

Effect of diet containing sweet potato (Ipomoea batatas) meal on nutrient utilization and growth performance of indigenous growing pigs

2015 ◽  
Author(s):  
Suzanne Malsawmthangi ◽  
R. J. Kukde ◽  
A. K. Samanta
Keyword(s):  
Sweet Potato ◽  
Conversion Efficiency ◽  
Ipomoea Batatas ◽  
Average Daily Gain ◽  
Nutrient Utilization ◽  
Growing Pigs ◽  
Feed Conversion ◽  
Feed Conversion Efficiency ◽  
Treatment Groups ◽  
Daily Gain

Twenty-four (24) indigenous growing pigs were selected and randomly divided into 4 treatment groups consisting of 6 animals in each group penned individually and provided with the facility of separate feeding and watering to each pig. Sweet potato (Ipomoea batatas) meal (roots and leaves at 1:1 ratio) was incorporated in the diet to replace standard pigs grower ration at 0% (G1), 25% (G2), 50%(G3) and 75% (G4). During the feeding trial of 90 days, it was observed that the average dry matter intake was higher in G2 followed by G3 and G1 being the lowest. The feed conversion efficiency and average daily gain decreased as the level of sweet potato meal increased. However there were no significant differences (P>0.05) among the different treatment groups in regards to feed conversion efficiency and average daily gain. From the digestibility trial, no significant differences (P>0.05) were observed in the digestibility co- efficient of dry matter, crude protein and crude fibre among the different treatment groups. It is concluded that sweet potato meal can replace standard pig grower ration up to 75% without any adverse effect on growth, feed conversion efficiency and nutrient utilization.

scholarly journals Effect of BioPlus YC Probiotic Supplementation on Gut Microbiota, Production Performance, Carcass and Meat Quality of Pigs

Animals ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 1581
Author(s):  
Artur Rybarczyk ◽  
Elżbieta Bogusławska-Wąs ◽  
Alicja Dłubała
Keyword(s):  
Bacillus Subtilis ◽  
Meat Quality ◽  
Bacillus Licheniformis ◽  
Average Daily Gain ◽  
Production Performance ◽  
Probiotic Bacteria ◽  
Control Group ◽  
Production Traits ◽  
Feed Conversion

The objective of the study was to determine the effects of probiotic bacteria Bacillus licheniformis and Bacillus subtilis on microbiological properties of feed mixtures and on the digestive tract content as applicable to production traits and carcass characteristics of fatteners. The experiment was performed on 83,838 fatteners from four successive (insertions) productions in two groups. From the seventy eighth day of age till marketing to the slaughter plant, the pigs were supplied with BioPlus YC probiotic (Chr. Hansen) in the amount of 400 g/t. The preparation contained a complex of probiotic bacteria Bacillus licheniformis DSM 5749, and Bacillus subtilis DSM 5750 spores in a 1:1 ratio. From the fourth insertion, after reaching a body weight of approximately 112 kg, 60 fatteners were selected from each group to measure carcass quality and half of them for meat quality evaluation. Moreover, microbiological analyses in feed and colon were performed. The study showed that BioPlus YC probiotics supplementation resulted in a significantly higher count of B. subtilis and B. licheniformis in the feed, a higher count of B. subtilis, B. licheniformis and LAB, as well as a lower count of Enterobacteriaceae, Enterococcus, Clostridium and Bacillus sp. in the mucosa and in the colorectal content of the test pigs. Our work has shown that supplementation with the BioPlus YC probiotic had a positive effect on the production traits of pigs mainly by reducing mortality (2.83%, p = 0.010), lowering feed conversion ratio—FCR (2.59 kg/kg, p = 0.013), better average daily gain—ADG (0.95 kg/day, p = 0.002) and shorter fattening period (77.25 days, p = 0.019) when compared to the control group (4.19%; 2.79 kg/kg; 0.89 kg/day; 92.8 days, respectively). The addition of the specific Bacillus bacteria did not influence carcass and meat characteristics of the test fatteners.

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