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• Nutrition and heat stress of dairy cows

  Different mechanisms to reduce metabolic heat production and to increase dissipation are activated at 22°C with 40% humidity in order to maintain the body temperature constantly around 38.5°C. The first reaction is the dry matter intake reduction, to reduce rumen fermentation and the consequent heat production. Then, the animal moves less to contain the muscles' heat.

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• What about hepatic function?

  Fatty liver (hepatic steatosis) is the most frequent metabolic pathology for dairy cows and high producing sheep, goats, and buffalo. The incidence is higher for high genetic value animals, because of the high requirement of nutrients of the udder and the insulin resistance that most of them experience.

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• The potential offered to ruminants by clinical and functional nutrition

  The genetic selection of animals bred to produce meat or milk has profoundly changed their metabolism.

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