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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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Forages for Reduced Nitrate Leaching

Forages for Reduced Nitrate Leaching Ina Pinxterhuis and Dawn Dalley, DairyNZ 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

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Grass Protein and Urinary N Output

Grass Protein and Urinary N Output Review of 5 years of data analysis from NZ Lucy Waldron Presented August 2016, Massey 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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Effects of dietary betaine on growth performance and lactation in ruminants

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

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Nitrogen Isotopic Fractionation and Nitrogen-use Efficiency in beef and dairy cattle

Nitrogen isotopic fractionation and nitrogen-use efficiency in beef and dairy cattle Nicole Wheadon 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

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Monitoring rumination – early intervention assessing nutrition

Monitoring Rumination – Early intervention assessing nutrition Pierre de Villiers   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

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The issue of rumen dysfunction in grazing dairy cattle

The issue of rumen dysfunction in grazing dairy cattle.  The problem is not lactic acid…but it is real. SARA NZ RNA Ian Sawyer Presented in Auckand, August 2015 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

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