Abstract Intake of poor-quality colostrum reduces thriftiness and survival dairy calves cost producers in 2017 $70 per head for each calf receiving poor quality colostrum. Studies suggest levels lactoferrin IgA within good are 1.5 - 5 mg/ml 5.36 respectively. Today, recommended to expose cows short-day photoperiod (SDPP) during the dry period as this has been shown increase milk production next...

ABSTRACT Global advances in reproductive biotechnology have allowed for the transfer of embryos from donor females with high genetic merit to recipients using cryopreservation technique, which preserves an embryo excellent quality and viability, thereby achieving a feasible pregnancy rate. The objective this study was evaluate viability Holstein that been cryopreserved more than 40 years under ...