Measuring minds: Understanding the mental states of dairy cattle in different management conditions [0.03%]
测心知意:不同管理模式下乳牛的心智状态理解
Heather W Neave
Heather W Neave
Minimizing negative and promoting positive emotional states are central to animal welfare. Evaluating these states in dairy cattle under farm conditions is challenging yet vital. This review highlights behavioral (e.g., play, body language)...
AnimalMotionViz: An interactive software tool for tracking and visualizing animal motion patterns using computer vision [0.03%]
动物运动可视化:一种利用计算机视觉进行动物运动轨迹追踪和可视化的交互式软件工具
Angelo L De Castro,Jin Wang,Jessica G Bonney-King et al.
Angelo L De Castro et al.
Monitoring the movement patterns of dairy cattle can provide important insight into space utilization or space occupancy in a barn. Although several precision livestock technologies have been developed to record dairy cattle movements, ther...
Effects of dietary rumen-protected choline supplementation on genome-wide DNA methylation in mammary tissue from postpartum dairy cows [0.03%]
饲喂 rumen-保护性胆碱对产后奶牛乳腺组织全基因组DNA甲基化的影响
A Celemin Sarmiento,B J Bradford,L K Mamedova et al.
A Celemin Sarmiento et al.
Choline is a methyl donor that may influence DNA methylation, gene expression, and cellular processes. Past studies have found an increase in milk yield when periparturient dairy cows were supplemented with dietary rumen-protected choline (...
In vitro screening of dihalomethanes as potential methane inhibitors in dairy cows [0.03%]
一种筛选卤代甲烷作为奶牛产甲烷抑制剂的体外方法
M Thorsteinsson,M O Nielsen
M Thorsteinsson
Volatile halogenated compounds are known to possess antimethanogenic properties with most in vivo studies focusing on trihalomethanes. However, concerns can be raised in relation to the use of these compounds as feed additives due to the tr...
A sampling method for differentiating breath and ruminal exhaled volatile organic compounds in dairy cows using methane as a marker [0.03%]
一种使用甲烷作为标记物区分奶牛呼吸和瘤胃挥发性有机化合物排放的采样方法
M A Barrientos-Blanco,U Arshad,S Giannoukos et al.
M A Barrientos-Blanco et al.
Frequent eructation in ruminant animals results in an exhaled blend of ruminal eructed and breath volatile organic compounds (VOC). The physiological distinction between the gas sources can limit the applicability of breath metabolomics (or...
Influence of different processing methods on anti-trypsin activity in bovine colostrum [0.03%]
不同的处理方法对牛初乳抗胰蛋白酶活性的影响
Lukas Trzebiatowski,Plamen Georgiev,Kathrin Büttner et al.
Lukas Trzebiatowski et al.
Colostrum is important for supplying the bovine neonate with nutrients, bioactive substances, and immunoglobulins to acquire passive immunity. Trypsin inhibitory activity represents a general characteristic of the first bovine colostrum. It...
Association between milk pump type and free fatty acid concentrations on dairy farms with automated milking systems [0.03%]
挤奶机类型与配有自动化挤奶系统的奶牛场中游离脂肪酸浓度之间的关系
Hannah M Woodhouse,Stephen J LeBlanc,Trevor J DeVries et al.
Hannah M Woodhouse et al.
High levels of free fatty acids (FFA) in milk (≥1.20 mmol FFA/100 g of fat) indicate excessive milk fat breakdown and compromise milk quality. Automated milking systems (AMS) have become more common in the dairy industry, but questions abo...
Effects of dietary glycerol monolaurate supplementation on milk production and methane emissions in Holstein dairy cows [0.03%]
单月桂酸单甘酯对荷斯坦奶牛产乳量和甲烷排放的影响
R L Culbertson,P Uzun,N Seneviratne et al.
R L Culbertson et al.
Glycerol monolaurate (GML) has antimicrobial and anti-inflammatory properties in nonruminants. In vitro, GML reduces methane (CH4) production; however, the effects of dietary GML supplementation on milk production and CH4 emissions have not...
Effect of double disinfectant application during premilking teat disinfection on teat cleanliness, bacterial count, and mastitis in pasture-grazed dairy cows [0.03%]
挤奶前使用双消毒剂进行乳房药浴对放牧乳牛乳房清洁度、菌落数和乳腺炎的影响
Thiago Resin Niero,Roberto Kappes,Angelica Leticia Scheid et al.
Thiago Resin Niero et al.
The use of double disinfectant application during premilking teat disinfection on heavily soiled teats has proven effective in reducing the teat cleanliness score and certain bacterial groups in freestall confined cows. We aimed to compare ...
Breeding for improved heat tolerance in dairy cattle: Methods, challenges, and progress [0.03%]
奶牛耐热选育的方法、挑战及进展
Ignacy Misztal,Luiz F Brito,Daniela Lourenco
Ignacy Misztal
Heat tolerance in dairy cattle has likely deteriorated over time due to unfavorable genetic correlations between milk production level and heat tolerance, with stronger deterioration in later parities. The dairy cattle industry has responde...