Calculating total-tract apparent digestibility is not different when adjusting or not adjusting intake for the ort nutrient composition for lactating cow diets [0.03%]
是否根据乳头的营养组成调整摄入量对围产期奶牛日粮的整体消化率无影响
A L Kerwin,C M Ryan,G Wittmeyer et al.
A L Kerwin et al.
In a method agreement study, as part of a larger randomized controlled trial, the total-tract apparent digestibilities (TTAD) of DM, starch, and ash-corrected neutral detergent fiber (aNDFom) were calculated and compared between using the o...
Comparison of prepartum serum concentration of vitamin E and selenium from dairy cows within herds with high and low incidence of retained placenta [0.03%]
高胎盘滞留和低胎盘滞留牧场围产期乳牛血清维生素E与硒浓度的比较
Nicolas Barbeau-Grégoire,Younès Chorfi,Maxime Leduc et al.
Nicolas Barbeau-Grégoire et al.
The goal of this observational study was to compare the prepartum vitamin E and selenium concentrations of multiparous cows based on herd incidence of retained placenta membranes (RP). Within a database of 50 herds enrolled by convenience f...
Cattle grow taller: Implications of outdated ordinal scores for genetic evaluations and selection? [0.03%]
家畜长高了吗?过时的序数评分在遗传评定和选种中的影响?
Xiao-Lin Wu,Allicia Horn,Ezequiel Nicolazzi et al.
Xiao-Lin Wu et al.
In dairy cattle, conformation and linear-type traits are routinely recorded as categorical or ordinal phenotypes. Some traits originating from continuous biological measurements are discretized into categorical scores. These traits are mode...
Evaluating the use of serum total solids to predict serum immunoglobulin G in Holstein and Angus crossbred calves [0.03%]
测定霍尔斯tein和安格斯杂交牛犊血清免疫球蛋白g含量的血清总固体量指标评价试验
Dini Hapukotuwa,John K House,Katharine Denholm et al.
Dini Hapukotuwa et al.
This study evaluated the use of serum total solids (STS) to assess passive immunity in Holstein and Angus cross Holstein calves. The objectives of our study were to (1) determine whether STS and serum IgG differs between Holstein and Angus ...
Exhausted olive pomace as a replacement for soybean hulls in corn silage-based diets for late-lactating Holstein cows: Insights from sustainable dairy farming [0.03%]
橄榄果渣替代大豆壳在玉米青贮饲料中的应用及其对乳后期荷斯坦奶牛生产性能的影响:可持续乳业发展的启示
António J M Fonseca,Ana R J Cabrita
António J M Fonseca
This study evaluated the effects of replacing soybean hulls with exhausted olive pomace (EOP) on feed intake, milk production and composition, and rumen fermentation parameters. A cyclical changeover design experiment was used with 4 rumen-...
Assessing the reliability of camera-based identification, activity monitoring, and location in housing systems on dairy farms [0.03%]
评估奶牛场住房系统中基于摄像头的身份识别、活动监控和定位可靠性的方法
Anne-Cécile Toulemonde,Aurélien Madouasse,Yannick Le Cozler et al.
Anne-Cécile Toulemonde et al.
Video-based livestock monitoring offers a noninvasive, cost-effective, and scalable alternative to direct human monitoring, but also to commonly used collar or ear tag devices on farms. It enables simultaneous real-time observation of multi...
Staphylococcus species and Mammaliicoccus species isolated from milk and teat apex of Lacaune sheep: Occurrence of antimicrobial resistance [0.03%]
从乳山采集的拉克努羊奶和乳头顶点分离出葡萄球菌属和哺乳动物葡萄球菌属:抗菌素耐药性的出现
Mariluce C Oliveira,Jennifer E Amorim,Larissa S Polydoro et al.
Mariluce C Oliveira et al.
Antimicrobial resistance is a growing concern in dairy production, with direct implications for animal health, food safety, and public health. This study aimed to characterize the phenotypic and genotypic resistance profiles of Staphylococc...
Facial phenotyping of Holstein calves using pose estimation models with varying keypoints [0.03%]
基于不同关键点的姿势估计模型的荷斯坦牛犊面部表型研究
Camila S Mussi,Amy R Reibman,Jacquelyn P Boerman et al.
Camila S Mussi et al.
Artificial intelligence is increasingly applied in livestock farming and offers valuable tools for monitoring animal health and welfare. Among these, facial expressions have emerged as informative indicators of well-being in animals. In thi...
Beef Quality Assurance (BQA) certification is associated with improved condition, mobility, carcass metrics, and economics in cull dairy cows [0.03%]
肉牛品质保障认证与淘汰乳牛肉质改善的关系研究
Sara McNichols,Ingrid L B Fernandes,Nathan E Rehder et al.
Sara McNichols et al.
The objective of this study was to evaluate the effects of Beef Quality Assurance (BQA) certification on relevant traits of cull dairy cows. This study compared BCS, lameness scores, hot carcass weight, and carcass damage of cull dairy cows...
Computing inbreeding coefficients accounting for unknown parents using pedigree-based metafounders [0.03%]
基于谱系的元奠基者计算未知父母的近交系数
Che Hsuan Huang,Seijiro Hirama,Toshimi Baba et al.
Che Hsuan Huang et al.
Missing pedigrees result in underestimated numerator relationship and inbreeding coefficients in a closed population. Recursive algorithms have been proposed to derive nonzero inbreeding coefficients accounting for unknown parents but can b...