scholarly journals Is visceral organ size related to feed efficiency in tropical hair sheep?

2022 ◽  
Vol 21 (1) ◽  
pp. 153-160
Author(s):  
Carlos Arce-Recinos ◽  
Jesús Alberto Ramos-Juárez ◽  
Baldomero Alarcón-Zúñiga ◽  
Luis Manuel Vargas-Villamil ◽  
Emilio Manuel Aranda-Ibáñez ◽  
...  
1989 ◽  
Vol 119 (6) ◽  
pp. 879-886 ◽  
Author(s):  
Friday O. I. Anugwa ◽  
Vincent H. Varel ◽  
James S. Dickson ◽  
Wilson G. Pond ◽  
Lennart P. Krook

2019 ◽  
Vol 97 (Supplement_3) ◽  
pp. 355-355
Author(s):  
Jinsu Hong ◽  
Tofuko A Woyengo

Abstract The objective of this study was to determine the interactive effects of dietary fiber source and lipid source on growth performance and visceral organ weights of weaned pigs. Two hundred and eighty 21 days old pigs [initial body weight (BW) = 6.84 kg] were housed in 40 pens (7 pigs/pen). The pigs were fed 4 diets (10 pens/diet) in a randomized complete block design in 2 phases, Phase 1 from day 0 to 14 and Phase 2 from day 14 to 35. The diets were corn-soybean meal-based with either sugar beet pulp (SBP) or soybean hulls (SBH) as fiber source and either soybean oil (SBO) or choice white grease (CWG) as fat source in 2 × 2 factorial arrangement. The BW and feed intake were determined by phase, whereas visceral organ weights were determined on day 35. Fiber source and fat source did not interact on growth performance and organ weights relative to BW. Pigs fed CWG-containing diets had lower (P < 0.05) gain to feed ratio than those fed SBO-containing diets by 7.95% during Phase 1 of feeding. Pigs fed SBP-containing diets had lower (P < 0.05) gain to feed ratio than those fed SBH-containing diets by 7.94% during Phase 1 of feeding. However, pigs fed SBP-containing diets had greater (P < 0.05) stomach weight, and tended to have greater (P < 0.1) heart, small intestine and large intestine weights relative to BW than those fed SBO-containing diets. In conclusion, replacement of SBH with SBP in diets for weaned pigs reduced feed efficiency and increased visceral organ weights relative to BW, implying that the replacement of SBH with SBP in diets of weaned pigs increased energy expenditure in visceral organs. Inclusion of SBO (at the expense of CWG) in diets for weaned pigs can improve feed efficiency.


Author(s):  
Jinsu Hong ◽  
Saymore Petros Ndou ◽  
Seidu Adams ◽  
Joy Scaria ◽  
Tofuko Awori Woyengo

Abstract Objective of this study was to determine the interactive effects of dietary fiber solubility and lipid source on growth performance, visceral organ weights, gut histology, and gut microbiota composition of weaned pigs. A total of 280 nursery pigs [initial body weight (BW) = 6.84 kg] weaned at 21 d were housed in 40 pens (7 pigs/pen). The pigs were fed four diets (10 pens/diet) in a randomized complete block design in two phases; Phase 1 from 0 to 2 weeks and Phase 2 from 2 to 5 wk. The diets were corn-soybean meal-based with either sugar beet pulp (SBP) or soybean hulls (SBH) as a fiber source and either soybean oil (SBO) or choice white grease (CWG) as a lipid source in a 2 × 2 factorial arrangement. The BW and feed intake were determined by phase, whereas visceral organ weights, intestinal histology, and gut microbial composition were determined at the end of the trial. Dietary fiber solubility and lipid source did not interact (P > 0.05) on average daily feed intake and average daily gain across all phases. However, the gain to feed ratio (G:F) for CWG-containing diets was lower (P < 0.05) than that for SBO-containing diets for Phase 1. Also, G:F for SBP-containing diets was lower (P < 0.05) than that for SBH-containing diets for Phase 1 and for the entire study period. Pigs fed SBP-containing diets had greater (P < 0.05) stomach weight, and tended to have greater (P < 0.10) small and large intestine weights relative to BW than those fed SBH-containing diets. Duodenal villous height to crypt depth ratio for CWG-based diets tended be greater (P = 0.09) than that for SBO-based diets. Fiber solubility and lipid source interacted (P < 0.05) on relative abundance of Bacteroides in the colon such that the relative abundance of the Bacteroides for CWG was greater (P < 0.05) than that for the SBO in SBP-based diet, but not in SBH-based diet. Relative abundance of Butyricicoccus in the colon for SBH-based diet was greater (P < 0.05) than that for SBP-based diet. In conclusion, inclusion of SBH instead of SBP in corn-soybean meal-based diets for weaned pigs can result in increased feed efficiency and relative abundance of Butyricicoccus in the colon, which is associated with improved gut health. Also, inclusion of SBO instead of CWG in the diets for weaned pigs can result in improved feed efficiency during Phase 1 feeding; however, the pigs may recover from the low feed efficiency induced by dietary inclusion of CWG instead of SBO after Phase 1 feeding.


1992 ◽  
Vol 70 (11) ◽  
pp. 3351-3359 ◽  
Author(s):  
M. H. Rajab ◽  
T. C. Cartwright ◽  
P. F. Dahm ◽  
E.A.P. Figueiredo

2020 ◽  
Vol 232 ◽  
pp. 105112
Author(s):  
Juan A. Escobedo-Canul ◽  
Pedro G. González-Pech ◽  
Carlos A. Sandoval-Castro ◽  
Ramón Cámara-Sarmiento ◽  
Luis Sarmiento-Franco

2019 ◽  
Vol 51 (6) ◽  
pp. 1767-1771 ◽  
Author(s):  
Josiel Borges Ferreira ◽  
Cristina Santos Sotomaior ◽  
Ana Carla Diógenes Suassuna Bezerra ◽  
Wilma Emanuela da Silva ◽  
Jacinara Hody Gurgel Morais Leite ◽  
...  

2020 ◽  
Vol 98 (Supplement_2) ◽  
pp. 77-78
Author(s):  
Brittany A Lippy ◽  
Blake K Wilson ◽  
Jerry Fitch ◽  
Gretchen G Mafi ◽  
Justin Crosswhite

Abstract The objective of this experiment was to determine the effects of dietary inclusion of lasalocid in combination with zeranol implants on the performance and carcass characteristics of hair sheep. Thirty wether hair lambs (BW = 25.8 + 4.6 kg) were stratified by BW and BCS and randomly assigned to 1 of 2 experimental treatments in a randomized complete block design. The treatments included no implant or ionophore (CON); and the experimental treatment, receiving the ionophore lasalocid (Bovatec® 91; Zoetis, Kalamazoo, MI) and anabolic zeranol implants (Ralgro®; MSD Animal Health, Spartan, RSA; LZ). Lambs on the LZ treatment received 12 mg of zeranol on d 0, 56, and 112, unless lambs were harvested prior to day 112, and consumed an average of 35 mg per day of lasalocid. Lambs had ad libitum access to feed and water throughout the experiment and were housed in individual, slatted floor pens. Performance data were collected on d 0, 14, 28, 56, 84, and at harvest. After d 84, harvest dates were selected and lambs were harvested by block based on proximity to ideal harvest weight and fat thickness. Lasalocid in the diet combined with zeranol implants increased final BW by 14.2% in comparison to CON (P < 0.01). Overall ADG was increased by 36.2% (P < 0.01), and overall G:F was improved by 24.4% for LZ when compared to CON (P = 0.01). There was no difference in overall DMI between treatments (P = 0.13). Hot carcass weight (HCW; P < 0.01), and loin eye area (LEA; P < 0.01) were also greater for the LZ treatment. Dietary inclusion of lasalocid in combination with zeranol implants improved overall BW, ADG, and feed efficiency as well as HCW and LEA in hair sheep.


2018 ◽  
Vol 5 (15) ◽  
pp. 583
Author(s):  
Victor Manuel Meza villalvazo ◽  
Crystelli Alicia Rojas Marquez ◽  
Carlos Sandoval Castro ◽  
Hector Magana Sevilla ◽  
Alfredo Trejo Cordova

The objective of the present study was to evaluate the inclusion of corn oil in the diet of sheep and its eect on serum levels of progesterone and estradiol, Twenty-one Pelibuey sheeps were divided into three treatments based on the level of oil included in the diet (T0 = 0, T3 = 3 and T6 = 6% respectively, on dry basis). Blood samples were obtained to determine hormones in serum. Cholesterol and progesterone were higher for T3 and T6 treatments (p < 0.05) compared to T0. Insulin was higher (p < 0.05) in the T6 treatment compared to treatments T3 and T0. At the time of ovulation, estradiol concentration was higher (p < 0.05) for treatments T3 and T6 compared to T0. The inclusion of corn oil in the diet increases the levels of cholesterol, progesterone, estradiol and insulin in sheep hair.


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