The early life nutrition of calves has a direct impact on performance later in life. Calves need to be grown to reach 50% of their mature bodyweight in the first 12 months and 85% of their mature bodyweight at 24months of age. Colostrum is important in the first few hours with the key points being
Major factors affecting milk yield are the ability to supply the mammary gland with nutrients and the gland to produce milk. Achieving body size targets at first calving is critical: Loss of 300 kg of milk (1st lact) per -50kg body weight (BW) at calving, loss of 720 kg of milk (3 lact) per -50kg
Effects of dietary betaine on growth performance and lactation in ruminants. F.R. Dunshea University of Melbourne NZARN members a full copy of the presentation is available below if you are logged in. Non-members looking for more information are encouraged to use our ‘contact a nutritionist’ form and ‘member directory’ to find a member who can help them answer their
Holstein-Friesian calves selected for divergence in residual feed intake during growth exhibited significant but reduced residual feed intake divergence in their first lactation. Authors: K.A. Macdonald, J.E. Pryce, R.J. Spelman, S.R. Davis, W.J. Wales, G.C. Waghorn, Y.J. Williams, L. C. Marett, B. J. Hayes Published: Journal of Dairy Science 2014 97:1427-1435 NZARN members a full
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