Calf morbidity and mortality represent major financial losses for many dairy producers. The primary cause of calf mortality in the U.S. is diarrhea caused by intestinal bacterial infections. Traditionally, formulated ...

Newborn Holstein heifer calves were studied to compare absorption of immunoglobulin G (IgG1 and IgG2), total serum protein concentration, lymphocyte counts, health scores, growth, and starter intake after receiving ...

Waste milk has been fed to calves for many years, but concerns with bacterial contamination as well as possible transmission of diseases have discouraged widespread use of this feed. Pasteurization of waste milk is one ...

Although the use of esophageal feeders is commonly recommended to aid in timely provision of colostrum to calves, there are few published studies that compare their effectiveness with other feeding methods. Therefore, ...

The objective of this study was to determine the effects of feeding heat-treated colostrum or unheated colostrum of different bacterial counts on passive transfer of immunity in neonatal dairy calves. First milking colostrum ...

La pasteurización de calostro a nivel de finca ha recibido una considerable atención en los últimos años, con el fin de reducir agentes patógenos bacterianos. La adopción de esta práctica a nivel de finca ha reportado ...

The syndesmochorial placenta of the bovine prevents transmission of Ig in utero and calves are born agammaglobulinemic. Consequently, ingestion and absorption of adequate amounts of colostral Ig are essential for ...

A study was conducted to identify the optimal temperature and time at which heat treatment of bovine colostrum would least change viscosity and IgG concentrations yet reduce bacterial count. First-milking colostrum ...