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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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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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Putting the FUN in the FUNdamentals of Ruminant Nutrition

Putting the FUN in the FUNdamentals of Ruminant Nutrition A presentation exploring the approachs taken by Nadine Huitema and Andrea Murphy in nutrition extenstion. Auckland 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 nutritionist’ form

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Hague – Metabolisable Energy Calculations

Metabolisable Energy Calculations James Hague Presented at April 2015 Meeting 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

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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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Feed Conversion Efficiency Project

Presentation: By Kevin Macdonald & Garry Waghorn, Dairy NZ 27 March 2014 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 lying time of cows kept at pasture compared to cows housed nightly on differing free stall bed surfaces of deep litter sand, modified sand, water beds or foam mattresses

Article (Research Summary): NZARN Quarterly Meeting, 26 July 2013 By JK Margerison (Dairy Systems), M Hedley (Fertilizer and Lime Research Centre, Institute of Agriculture and Environment), J Lau (Dairy Systems), J Hanley (Fertilizer and Lime Research Centre, Institute of Agriculture and Environment), D Horne (Fertilizer and Lime Research Centre, Institute of Agriculture and Environment), N Powell (School of Engineering and Technology, Massey University),

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The Cow in Equilibrium – Energy Balance

Presentation: By Bryan McKay, Dairy Production Systems Ltd. 2013 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

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RUMINANT NUTRITION SYMPOSIUM: Productivity, digestion, and health responses to hindgut acidosis in ruminants

RUMINANT NUTRITION SYMPOSIUM: Productivity, digestion, and health responses to hindgut acidosis in ruminants Article: By T. F. Gressley, M. B. Hall and L. E. Armentano NZARN members a full copy of the presentation is available below if you are logged in. N Non-members looking for more information are encouraged to use our ‘contact a nutritionist’ form and ‘member directory’ to

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Increased Dairy Farm Profit Using Manufactured Feed

Increased Dairy Farm Profit Using Manufactured Feed Brochure: By NZFMA 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

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