Tsur Hadar

 Q: What are the main consequences of heat stress?A: Regarding milk production, there are different factors, not just volume, but also fat content and protein in the milk and quality of the milk; that means, the somatic cell count that increases when the cow is in that condition of stress. It also affects fertility, and the effect is an increase of the days open above what is recommended ...

IntroductionHeat stress causes major losses ($ 2.4 billion) in animal production, including dairy cattle, beef cattle, swine and poultry in the USA (St-Pierre et al., 2003). Heat stress affects feed intake, body temperature, maintenance requirements and metabolic processes, feed efficiency, milk yield, reproductive efficiency, behavior and disease incidence (Cook et al., 2007; Tucker et al., 2007; ...

Benefits of early detachmentFaster milking. Early detachment reduces machine-on time. This may or may not result in milking more cows per hour depending on parlour size and milking routine. AMS benefit the most from a short machine-on time.Calm cows. Several studies have observed calmer cows when detaching at a higher flow rate. First lactation cows seem to be more sensible to overmilking than old ...