Can nutritional grouping lower feed costs and enteric methane when diets are optimized with modest ingredient changes? [0.03%]
营养分组能否通过适度调整原料来优化日粮以降低饲料成本和减少肠道甲烷排放？
Yijing Gong,Chiung-Lun Huang,Victor E Cabrera
Yijing Gong
Nutritional grouping (NG), where cows are fed in groups based on similar nutrient requirements, has been used as a strategy to improve the precision of nutrition delivery and thus economic returns. Enteric methane, one of the largest on-far...
Effects of feeding agroindustrial byproducts on rumen fermentation and microbiome of sheep [0.03%]
饲喂农业副产品对羊瘤胃发酵和微生物组的影响
Carlos Navarro Marcos,Trinidad de Evan,Óscar Gonzalez Recio et al.
Carlos Navarro Marcos et al.
The use of agroindustrial byproducts in ruminant nutrition is gaining increased attention because of economic and environmental benefits and their potential to enhance ruminal function and animal performance. However, the effect of these by...
Rethinking navel size thresholds for omphalitis diagnosis in newborn dairy calves using machine learning [0.03%]
基于机器学习重新思考新生儿脐炎诊断中肚脐大小的阈值标准问题
A Rico,A F A Pires,N Silva-Del-Rio
A Rico
Omphalitis in newborn calves is an underreported disease with no gold standard diagnostic test. Comprehensive examination is often impractical on farms, and simplified protocols based on the umbilical stump diameter have been proposed. Howe...
Breed-specific microbiomes drive differential responses to 3-nitrooxypropanol and Acacia mearnsii in dairy cows [0.03%]
品种特异性微生物组驱动乳牛对3-硝基氧丙醇和金合欢属瘤叶的差异反应
M Z Islam,D W Pitta,M Niu
M Z Islam
Methane (CH4) inhibitor 3-nitrooxypropanol (3-NOP) shows variable efficacy in Brown Swiss (BS) and Holstein (HF) cows, but the underlying mechanisms remain unclear. Rumination bolus, a proxy for rumen microbiota, combined with exhalomics (a...
Blood adenosine triphosphate luminometry and dynamic viscoelastic coagulometry reference values in healthy newborn dairy calves [0.03%]
健康新生犊牛的血液三磷酸腺苷发光法和动态黏弹凝血法参考值
Laura Van Driessche,Gilles Fecteau,Claire Vergneau-Grosset et al.
Laura Van Driessche et al.
The primary objective of this study was to determine reference blood values for ATP luminometry and dynamic viscoelastic coagulometry analysis in healthy newborn dairy calves in order to evaluate their potential usefulness for future on-far...
Resveratrol supplementation improved antioxidant capacity and mitigated the impact of heat stress in lactating dairy cows [0.03%]
白藜芦醇补充改善了抗氧化能力和缓解热应激对泌乳奶牛的影响
M R R Nair,Z Yu,J M Cantet et al.
M R R Nair et al.
The relationship between oxidative stress, inflammation, and productivity loss associated with heat stress has been documented in dairy cattle. Resveratrol, a naturally occurring plant-based polyphenolic compound, possesses antioxidant prop...
Prenatal determinants of fetal programming in dairy cattle: A mini-review [0.03%]
奶牛胎儿编程的 prenatal 确定因素：一篇简短评论文章
A M Oladele,M Gobikrushanth,M Oba et al.
A M Oladele et al.
Fetal programming in cattle is the result of the various maternal, paternal, and environmental determinants that influence prenatal development, affecting early postnatal life, adult life, and exerting possible transgenerational effects on ...
Genotyping errors can affect indirect predictions of young selection candidates: A simulation study [0.03%]
基因分型误差会影响年轻候选者间接选择预测：一项模拟研究
Alberto Cesarani,Fernando Bussiman,Jorge Hidalgo et al.
Alberto Cesarani et al.
This study aimed to evaluate the effect of genotyping errors on indirect predictions (IP). For that, we simulated a dairy cattle population with 5 replicates, using QMSim. Benchmark GEBV for young animals (n = 11,250) were computed using a ...
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...