This presentation covers the potential for protein supply, feed quality and bio-active forages to reduce reliance on anthelmintic drenches.
DairyNZ have set up a 7 year multidisciplinary R&D programme; looking for solutions to improve fertility and lifetime productivity in dairy herds.
In the 1970’s in mid-west US, most cows were kept in tie stall barns where physical contact between cows and the spread of M bovis were very limited. The death rate of young calves was reduced with the move to individual hutches and no physical contact, and pasteurising milk. In the 1980’s if mastitis didn’t
Mycoplasma bovis, a bacterium causing illness in cattle but not infecting humans. There is no food safety or trade issue from it being present in NZ.
Mycotoxins exist as they compete for advantage over other micro-organisms. In doing so they weaken plant cells, animal tissues and the host’s internal defence mechanisms.
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
There are 5 key points to success in lameness control: Record keeping – both incidence and type Early detection and prompt effective treatment Prevention of damage – cow flow and cow comfort Hygiene – low infection pressure Good horn quality and foot shape – good nutrition and genetics The main lesions for cows on pasture
Noemi shares work from her masters thesis about Johne’s disease in cattle comparing analysis from New Zealand and Germany. Some key themes from her work include: calving management needs to be more hygienic – ‘healthy’ milk is an essential culled animals should not end up “in the hole” clinically suspicious animals need to be examined
Dr. Zankar presents the benefits of B Vitamins to the Modern Day Dairy Cow – February 2017 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
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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