Results 21 to 30 of about 12,286,981 (307)
The continuous trend for a narrowing margin between feed cost and milk prices across dairy farms in the United States highlights the need to improve and maintain feed efficiency. Yeast culture products are alternative supplements that have been evaluated
J. Halfen +6 more
semanticscholar +1 more source
Simple Summary The transition to lactation is a physiologically challenging period in which dairy cows are more susceptible to postpartum health disorders.
Malia J. Martin, K. Weigel, H. White
semanticscholar +1 more source
Dietary fiber is widely applied in the nutrition of sows due to its potential value in improving performance and intestinal health. Fermented bamboo fiber, rich in dietary fiber, has not been fully evaluated to be used in sow diets. ABSTRACT Sows exhibit
Chuansong Sun +4 more
semanticscholar +1 more source
This study examined the effect of mixed medicinal herbs from China in the ground form on milk yield and various blood metabolites before and after parturition in Holstein cows. Crushed Agastache rugosus, Scutellaria barbata, Pericarpium citri reticulate,
Yizhe Cui +7 more
doaj +1 more source
In the context of global warming, heat stress has become one of the major stress factors limiting dairy cattle production. Although many methods have been explored to help cows mitigate the negative effects of heat stress during the hot summer months ...
Yanjing Su +5 more
doaj +1 more source
Streptococcus dysgalactiae Isolates at Calving and Lactation Performance Within the Same Lactation [PDF]
The objective of the study was to investigate the association between early lactation Streptococcus dysgalactiae isolates and milk yield, somatic cell count (SCC), clinical mastitis, and culling in the same lactation. The 178 commercial dairy herds were randomly placed into 3 penicillin- or penicillin-dihydrostreptomycin-based dry-cow treatments and 3 ...
A C, Whist, O, Østerås, L, Sølverød
openaire +2 more sources
Use of condensed molasses fermentation solubles as an alternative source of concentrates in dairy cows [PDF]
Objective The purpose of present study was to investigate the effects of condensed molasses fermentation solubles (CMS) on lactation performance, rumen fermentation, nutrient digestibility, and serum parameters of dairy cows.
Jian Ma +4 more
doaj +1 more source
Intensive Nursing and Lactational Performance during Extended Lactation
SummaryIntensive nursing (6 pups/6 intact abdominal-inguinal mammary glands, and replacing all 16-day-old litters every 4 days with 12-day-old foster litters) failed to prevent significant declines in mammary DNA, RNA, and litter weight gains between days 20 and 36 of lactation.
W W, Thatcher, H A, Tucker
openaire +2 more sources
This study was conducted to examine the effect of active dry yeast (ADY) supplementation on lactation performance, ruminal fermentation patterns, and CH4 emissions and to determine an optimal ADY dose. Sixty Holstein dairy cows in early lactation (52 ± 1.
Yan Li +12 more
semanticscholar +1 more source
Dairy cow responses to dietary crude protein (CP) may depend on stage of lactation. The primary objective of this study was to evaluate the effects of 4 concentrations of dietary CP on dry matter intake (DMI), production performance, net energy for ...
P. Letelier, G. Zanton, M. Wattiaux
semanticscholar +1 more source

