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From Birth to Weaning by Dr Luis Silva

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

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Feeding Fodder Beet to Cows – Rumen pH during transition from pasture.

In this session Dr. Garry Waghorn updated the membership on research pertaining to feeding fodder beet to cows.  Some of the key messages include: Not all fodder beets are created equally; nutritional composition varies considerably.  Feed testing is warranted. There are still a lot of unknowns when it comes to how fodder beet behaves within the rumen.  Individual cows with rumen

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Metabolic changes in early lactation and impaired reproductive performance in dairy cows

Metabolic changes in early lactation and impaired reproductive performance in dairy cows – review article Authors: R. Jorritsma, T. Wensing, T.A.M. Kruip, Peter L.A.M.V. os, Jos P.T.M. Noordhuizen Published: Vet Res. 34(2003)11-26 Recommended reading by Ian Sawyer NZARN members a full copy of the presentation is available below if you are logged in. Non-members looking

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Dairy Cow Fertility

Presentation: New Zealand experience in achieving compact calving and strategies for dealing with anoestrus, endometritis and late calving cows. By SCOTT MCDOUGALL, TOM BROWNLIE, MELVIN deBOER AND CHRIS COMPTON COGNOSCO, A DIVISION OF ANEXA ANIMAL HEALTH NZARN members a full copy of the presentation is available below if you are logged in. Non-members looking for

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Trouble-shooting milk fever and downer cow problems

Article: By Richard Adams, Virginia Ishler, Dale Moore (Department of Veterinary Science) Department of Dairy and Animal Health The Pennsylvania State University 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

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NZ Fertility Stats

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 questions. If you are a Rural Professional interested in joining the NZARN please see our ‘membership’ section.

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