It is critical that bovine maternal colostrum is fed to newborn calves during their first hours of
life. Colostrum is the secretion a cow produces after mammary involution that is rich in …

The nutritional manipulations of the rumen microbiome to enhance productivity and health
are rather limited by the resilience of the ecosystem once established in the mature rumen …

Despite many advances in management and housing of dairy calves, 1 in 10 US dairy
heifers die before weaning. A better understanding of the internal and external stimuli that …

The preweaning management of dairy calves over the last 30 yr has focused on mortality,
early weaning, and rumen development. Recent studies suggest that nutrient intake from …

Colostrum management is the single most important management factor in determining calf
health and survival. Unfortunately, a significant proportion of North American dairy calves …

The first calf paper, published in the May 1919 issue of the Journal of Dairy Science (JDS),
described factors affecting birth body weight of different breeds of calves. Other studies were …

Simple Summary The rumen is an important digestive organ that plays a key role in the
growth, production performance and health of ruminants. Promoting rumen development …

The syndesmochorial placenta of the cow separates the maternal and fetal blood supplies,
preventing in utero transmission of protective immunoglobulins (Ig)(Fig. 1). 1 Consequently …

The objective of this study was to characterize the quality of maternal colostrum (MC) fed to
newborn dairy calves in the United States and identify the proportion of MC that meets …

Several studies and a 2013 meta-analysis have proposed that increased feeding of milk or
milk replacer to neonatal calves may improve subsequent milk production. However, data …