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This is the time of year to get serious about heat abatement strategies for your herd. Though we enjoy the warmer weather, most lactating cows perform best at temperatures from 40 - 65°F. Signs of heat stress start to occur at around 75°F. This spring, once you've installed your new fans and sprinkler systems and cleaned off your existing fans in the lactating herd, you also need to consider making sure that your close up dry cows are kept cool. Research has shown that cows experiencing...
"I'm working harder than I ever have and am having more difficulty getting my cows pregnant." This quote from a Central Minnesota dairy producer reflects the thoughts of dairy producers throughout the country. It has been well documented that reproductive efficiency is on the greatest decline since the mid 1980s with services per conception and days open increasing. Most other countries have seen the same trend. So, why the decline? There are several factors that...
Our thanks to the author and Conference Organisers, a Committee consisting of both University and Industry colleagues. The full paper will appear in the Conference Proceedings ('Recent Advances in Animal Nutrition - 2007', edited by Phil Garnsworthy and Julian Wiseman) published by Nottingham University Press in the autumn of 2007 www.nup.com ...
Our thanks to the author and Conference Organisers, a Committee consisting of both University and Industry colleagues. The full paper will appear in the Conference Proceedings ('Recent Advances in Animal Nutrition - 2007', edited by Phil Garnsworthy and Julian Wiseman) published by Nottingham University Press in the autumn of 2007 www.nup.com ...