The calf stage is a critical period for the development of heifers. Newborn calves have low
gastrointestinal barrier function and immunity before weaning, making them highly …

Neonatal calves have a limited capacity to initiate immune responses due to a relatively
immature adaptive immune system, which renders them susceptible to many on-farm …

Raising replacement heifers represents a substantial cost in dairy farms, with reproductive
efficiency being one of the main factors driving the total rearing cost. Diseases during the …

The changes in the composition of intestinal microbiota and metabolites have been linked to
digestive disorders in calves, especially neonatal calf diarrhea. Bovine rotavirus (BRV) and …

The cows receiving antibiotics for intra-mammary infection (IMI) produce milk that cannot be
marketed. This is considered waste milk (WM), and a convenient option for farmers is using it …

The objective of this randomized clinical trial was to determine if an intervention with
colostrum replacer (CR; Premolac Plus, Zinpro; 125 g/d fed for 3 d) or a placebo milk …

Introduction Neonatal calf diarrhea (NCD) is still one of the most critical diseases in calf
rearing. Studies have shown that Pueraria lobata polysaccharides (PLP) have intense …

The primary objective of this study was to evaluate the association between preweaning
diarrhea and measures of survival, health, and production. The measures of interest …

The complex rumen microbiota exhibits some degree of host specificity. The undeveloped
simple rumen microbiota is hypothetically more amendable. The objective of this study was …

Introduction Calves are very susceptible to stress in the early stages of life, and it is
necessary to ensure maximum welfare. Feeding management has been identified as a …