Effect of pre-calving body condition score and previous lactation on BCS change, blood metabolites, oxidative stress and milk production in Holstein dairy cows
Negin Jamali Emam Gheise, Ahmad Riasi, Ahmad Zare Shahneh, Pietro Celi, Seyed Mehdi Ghoreishi
ITALIAN JOURNAL OF ANIMAL SCIENCE | TAYLOR & FRANCIS LTD | Published : 2017
The aim of study was to determine the effect of pre-calving body condition score (BCS) and previous milk yield on BCS change, blood metabolites, oxidative stress and milk production in Holstein cows. At 3 wk before expected calving, 100 multiparous cows were grouped according to their BCS and then classified based the previous 305 milk yield. The four experimental groups (25 cows each) were medium BCS and moderate milk yield (MM), medium BCS and high milk yield (MH), high BCS and moderate milk yield (HM), and high BCS and high milk yield (HH). The cows’ BCS was recorded at −21, 0, 21, 50 and 80 d related to parturition time. Daily milk production of cows was recorded after parturition. Blood..View full abstract
Awarded by Iran National Science Foundation (INSF)
This work was supported by Iran National Science Foundation (INSF; Grant # 92021270). Authors acknowledge the financial support of Isfahan University of Technology (Isfahan, Iran). We thank Mr. Jalilnezhad (chief manager) for partial funding of this study and Dr Safahani (farm veterinary) for ultrasonographic measurements in FKA dairy farm (Isfahan, Iran).