Lameness is one of the main welfare problems of New Zealand dairy herds (Chesterton et al., 2008) and contributes directly to cow culling, treatment costs, production losses and reduced economic efficiency (Kossaibati & Esslemont, 1997). The incidence of lameness can be high, affecting as many as 60% (Vermunt, 2004) of cows annually, but can vary from between 5 and 55% (Clarkson et al., 1996) according to differing observation techniques and... Continued
Proceedings of the New Zealand Society of Animal Production, Volume 69, Christchurch, 51-53, 2009
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