Dept. of Animal Reproduction, Gynaecology and Obstetrics, College of Veterinary Science and Animal Husbandry, Anand Agricultural University, Anand-388 001.
Twenty healthy freshly calved triple crossbred (HF x J x K) cows were divided randomly into four groups each of five animals from the day of calving to observe the effect of supplementation of minerals + proteins-vitamins (Nutri-sacc power pack, Vetcare) and enzymes (Neozyme RU, Biocon India Ltd) on postpartum fertility and fortnightly blood plasma profile of hormone progesterone and certain metabolites from calving till 15th week postpartum. The animals of Group-I (T0) served as control; of Group-II (T1) were given nutrisacc powder (@100 g/d/h; while animals of Group–III (T2) and Group IV (T3) received neozyme supplementation @ 750 and 1000 g per tonne of concentrate mixture, which was fed @ 1 kg for every 3 kg milk. The supplementation of minerals and enzymes did not influence significantly the intervals of first oestrus postpartum (31±0.60 days) or service period (147±13.69 days). The pooled average plasma progesterone and glucose concentrations were 0.76±0.14 ng/ml and 69.37±2.84 mg %, respectively, with significant (P<0.01) effect of periods, but not of groups. The values for glucose were highest 60 days postpartum. Average plasma total protein (8.87±0.18 g %) varied neither among groups nor among periods. The average plasma levels of cholesterol and triglyceride were 143.37±6.41 and 160.62±9.28 mg %, respectively. These were also not influenced by the groups or periods. The results indicated that supplementation of minerals + protein–vitamins or enzymes at given level during postpartum period were not distinctly beneficial in triple crossbred cows.
Crossbred cows, Supplementation, Minerals, Enzymes, Postpartum fertility, Blood profile
