Nonlinear mixed models to describe the growth of Columbia sheep in Mexico [0.03%]
非线性混合模型描述墨西哥哥伦比亚羊的生长发育
Ricardo Martínez-Rocha,Rodolfo Ramírez-Valverde,Rafael Núñez-Domínguez et al.
Ricardo Martínez-Rocha et al.
Our objective in this study was to identify the nonlinear mixed model that best describes the growth curve of Columbia sheep within the central region of Mexico. The study was conducted using a total of 1886 live body weight records (birth ...
Development of economic selection indexes for beef-on-dairy systems and implication for sire re-ranking in U.S. production systems [0.03%]
美国乳肉兼用生产体系中经济选择指数的开发及对种公牛排名的影响研究
Larissa E Meier,Bruce L Golden,Scott Newman et al.
Larissa E Meier et al.
The rapid expansion of beef-on-dairy (B×D) crossbreeding in the United States has increased the need for selection tools tailored to this unique production system. The objectives of this study were to develop economic selection indexes spe...
Effects of a cheese co-product fed in lactation and nursery diets on sow, litter, and subsequent nursery pig performance [0.03%]
奶期和保育期间母猪食用乳制品副产品对母猪、仔猪及后续保育猪生长性能的影响
Grady A Privett,Jason C Woodworth,Joel M DeRouchey et al.
Grady A Privett et al.
A total of 86 sows (Line 241, DNA Genetics, Columbus, NE) were used to determine the effects of a cheese co-product added to lactation diets on sow and litter performance. Sows in three separate farrowing groups (approximately 31 ± 1 sows ...
Impacts of conventional and high-oleic soybean oil supplementation on rumen microbiology, physiology, immunity, and growth of recently weaned Brangus steers [0.03%]
传统和高油酸大豆油补充对刚断奶的安格斯 steer瘤胃微生物、生理、免疫和生长的影响
Marcelo Vedovatto,Hiam Marcon,Matheus F L Ferreira et al.
Marcelo Vedovatto et al.
The current experiment evaluated the effects of conventional (CSBO) and high-oleic soybean oils (HOSBO) on rumen microbiology, physiology, immunity, and growth of beef steers during a 56-day preconditioning period. Seventy-two Brangus steer...
Madeline R Mancke,Brad J White,Eduarda M Bortoluzzi et al.
Madeline R Mancke et al.
Heat stress negatively impacts performance and welfare and occurs when total environmental and metabolic thermal load exceeds an animal's ability to dissipate heat. Access to shade has been associated with reductions in body temperature and...
Multi-protease supplementation enhances growth performance and promotes gut health in broilers fed low-protein, low-amino acid diets [0.03%]
多种蛋白酶复合制剂可改善低蛋白、氨基酸饲粮日粮对肉鸡生长性能和肠道健康的影响
Márcia N Soares,Bindhu L Vasanthakumari,Laryssa F Bernardes et al.
Márcia N Soares et al.
The objective of this study was to assess the impact of dietary supplementation with a multi-protease enzyme on broiler diets with reduced levels of protein and amino acids. One-day-old male Cobb-500 chicks (2250 birds) were assigned to 10 ...
Effects of drylot dimension and group size on growth, physiological, and puberty responses of replacement beef heifers [0.03%]
围栏尺寸和群体大小对育肥母牛生长、生理及性成熟的效应研究
Camila P Prado,Reinaldo F Cooke,Shea J Mackey et al.
Camila P Prado et al.
This experiment evaluated growth, physiological responses, and puberty attainment in beef heifers reared in different stocking densities. Heifers (n = 240; 75% Angus × 25% Brahman) were ranked by age (270 ± 1 d), body weight (BW on d -3; ...
Effects of substituting commercial concentrate with chaya forage meal on feed efficiency and weight gain of growing goats fed fresh leucaena-based diets [0.03%]
牧草恰亚替代商业浓缩饲料对新鲜露兜树为基础日粮饲喂育成肉 goat生产性能的影响
Marjuki Marjuki,Asri N Huda,Tri E Susilorini et al.
Marjuki Marjuki et al.
This study evaluated the effect of the use of substituted concentrate with chaya (Cnidoscolus aconitifolius) forage meal in leucaena (Leucaena leucocephala) fresh forage-based diet on feed efficiency and body weight gain of growing female g...
Evaluation of dietary crude protein and non-starch polysaccharidase on nursery pig performance, nitrogen retention, hindgut fermentation and health [0.03%]
评估日粮粗蛋白和非淀粉多糖酶对仔猪生长性能、氮沉积、盲肠发酵以及健康的影响
Mitchell J Nisley,Brian J Kerr,Sarah C Pearce et al.
Mitchell J Nisley et al.
Reducing dietary crude protein (CP) in nursery pig diets is a strategy to decrease post-weaning diarrhea (PWD), optimize feed costs, and reduce nitrogen excretion. One way by which high CP (HCP) diets increase PWD involve potentially cytoto...
Evaluation of a novel insoluble fiber source on growth performance and fecal dry matter in nursery pigs using different formulation strategies [0.03%]
一种新型不可溶性纤维对仔猪生长性能及粪便含水量的影响研究
Julian Arroyave,Mike D Tokach,Jason C Woodworth et al.
Julian Arroyave et al.
Three experiments were conducted to evaluate the effects of a novel fiber source (ValoproWin; VLPW) composed primarily of insoluble, poorly fermentable fiber on growth performance and fecal dry matter (DM) in nursery pigs. In Exp. 1, 300 we...