Ruminal and postruminal absorption of copper, manganese, and zinc of nonlactating and nonpregnant Holstein cows fed sulfate trace minerals above recommendations [0.03%]
非妊娠且未泌乳的荷斯坦奶牛摄食推荐剂量以上的硫酸盐微量元素的瘤胃和皱胃吸收试验研究
M Duplessis,D R Ouellet,I Royer et al.
M Duplessis et al.
The objective of this study was to evaluate ruminal and postruminal apparent absorption of Cu, Mn, and Zn with rations containing 2 different concentrations of sulfate Co, Mn, and Zn supplements in nonlactating, nonpregnant Holstein cows. F...
Nonesterified fatty acids during the dry period and their association with peripartum disorders, culling, and pregnancy in dairy cows [0.03%]
干奶期非酯化脂肪酸与围产期疾病、淘汰和妊娠的关系研究
J Denis-Robichaud,I Nicola,H Chupin et al.
J Denis-Robichaud et al.
The objective of this ambidirectional observational cohort study was to explore how nonesterified fatty acids (NEFA) 22 to 35 d before calving were related to NEFA 1 to 14 d before calving and to determine a threshold that could be used to ...
C S Silva,J Diavão,E F Motta et al.
C S Silva et al.
This technical note describes a small ruminant respiration chamber system designed to accurately quantify the production of carbon dioxide (CO2) and methane (CH4). The system consists of 3 open-circuit respiration chambers, flow meters, gas...
Is methane emission genetically the same trait in young bulls and lactating dairy cows? [0.03%]
甲烷排放是青年公牛和泌乳奶牛的遗传性状吗？
B Heringstad,K A Bakke
B Heringstad
It is of interest to examine whether methane (CH4) emission is genetically the same trait in young bulls and lactating dairy cows. The aim was therefore to estimate the genetic correlation between CH4 emissions for Norwegian Red young bulls...
Handling errors in the response: Considerations for leveraging unsupervised or incomplete data for genetic evaluations [0.03%]
响应中错误处理：利用无监督或不完整数据进行遗传评估的考虑因素
Xiao-Lin Wu,John B Cole,Andres Legarra et al.
Xiao-Lin Wu et al.
Accurate genetic evaluations rely on high-quality phenotypic data; however, measurement errors and data inconsistencies-such as those arising from unsupervised or incomplete sources-pose challenges to their reliability. This study investiga...
Relationships between birth or calving seasons and first-lactation performance of Holstein cows in the Midwestern United States [0.03%]
美国中西部荷斯坦奶牛的出生或分娩季节与第一个泌乳期表现之间的关系
K N Brost,J K Drackley
K N Brost
The purpose of this study was to establish the effects of birth season on performance of first-lactation Holstein cows. Further analysis was conducted to determine if the impact of calving season was a more appropriate indicator. This study...
Feeding of high-quality hay modulates hepatic lipid and energy metabolism in weaned dairy calves [0.03%]
优质干草的饲喂可调节断奶 dairy 牛 calf 肝脏脂质和能量代谢
Barbara U Metzler-Zebeli,Arife Sener-Aydemir,Georg Terler et al.
Barbara U Metzler-Zebeli et al.
The present study aimed to investigate the effects of feeding different hay qualities with or without concentrate supplementation on the mRNA expression of genes related to hepatic lipid and glucose metabolism and cellular energy status in ...
CalfSim tool: A free and user-friendly decision support tool for designing and simulating optimized feeding plans for dairy calves-A prediction assessment study [0.03%]
CalfSim工具：一种用于设计和模拟乳制品犊牛优化饲养方案的免费且易于使用的决策支持工具-预测评估研究
T E Da Silva,J H C Costa
T E Da Silva
Optimizing calf feeding strategies is critical for improving performance, health, and weaning transitions of preweaning animals. Despite the updated National Academies of Sciences, Engineering, and Medicine (NASEM, 2021) Nutrient Requiremen...
Corrigendum to "Evaluating cow identification reliability of a camera-based locomotion and body condition scoring system in dairy cows" (JDS Commun. 6:202-205) [0.03%]
关于“基于摄像头的牛只移动和体况评分系统的奶牛识别可靠性的评价”(JDS Commun. 6:202-205)的勘误通知
D Swartz,E Shepley,G Cramer
D Swartz
[This corrects the article DOI: 10.3168/jdsc.2024-0659.]. © 2025.
Published Erratum
JDS communications. 2025 Aug 29;6(5):720. DOI:10.3168/jdsc.2025-6-5-720 2025
Toward the future of next-generation dairy foods-A processing perspective and economic analysis [0.03%]
下一代乳制品的未来——加工视角及经济分析
Gulustan Ozturk,Charles F Nicholson,Richard W Hartel
Gulustan Ozturk
There is a need for sustainable food production and processing that reduces resource use and increases the availability of nutritious, innovative, and sustainable food. A coordinated, multisectoral approach across the food supply chain is e...