Intramammary casein hydrolysate compared with other dry treatments in dairy cattle

Consumers and the dairy industry are interested in alternatives to standard antibiotic dry cow therapy (DCT) for dairy cows. Objectives were comparison of intramammary (IMM) casein hydrolysate (CH) alone or combined with DCT and/or internal teat sealant (TS) with DCT + TS (Control) dry treatments. Comparisons between treatments included change in mammary involution markers bovine lactoferrin (bLf) and bovine serum albumin (BSA) in milk during the first 10 d dry and the intramammary infection (IMI) outcomes Cure, Chronic or New IMI following calving.