Heat stress significantly affects milk production

 In News Tips

Heat stress, an even more topical subject since last year. For all types of fast-growing and well-producing animals – pigs, broilers, laying hens, beef- and dairy cows -, it is a hot item.

Heat stress: a chain reaction!

A dairy cow is a high productive walking milk factory! To produce a high amount of milk, a cow has to process much feed. As a result a lot of heat is released during the digestion of that food in the stomachs and intestines. Because of the released energy, the cow feels comfortable in relatively cold temperatures. (-5˚ and 18˚C). When the summer starts regular periods with temperatures above the 20 ° limit, take place for a longer time. Due to a higher temperature and a higher humidity it is more difficult for the cow to lose superfluous heat. Where under normal circumstances a cow maintains her body temperature by sweating and panting, this will not be adequate during warm periods. In order to achieve some extra cooling down, they will stand longer in the cubicle. Unfortunately this will lead to a series of negative effects like a lower feed intake, reduced milk yields and also the claw- and udder health will be affected.

Maximize feed intake

Above an ambient temperature of 20˚C the fed ration heats up more quickly, especially when feeding once a day. Combined with a diminished appetite “due to heat stress” the dry matter intake from roughage decreases. This will lead to an altered Roughage-concentrate ratio which can lead to Acidosis.

Our solution

Therefore it is important to stimulate the dry matter intake and especially guarantee the ration-quality. By using Nutripreserve® (an overheating inhibitor), you can stabilize the quality of the ration by minimizing the nutrient breakdown. But most important: the ration stays cool, fresh and tasty which has a positive impact on the appetite and feed intake of the animals.


The immunity of a dairy cow is strongly influenced by the rumen filling, the nutrient intake and the lying behavior. Without these factors she cannot ruminate properly and will not be possible to provide in her energy demand.


Minimize Oxidative

During warm periods Oxidative stress occurs, which means that free radicals come into circulation and are converted into peroxides – an extra oxygen atom on a fat or protein molecule -. These peroxides react with carbon atoms – because of the extra oxygen atom – in the tissue, resulting in tissue damage. This results in a lower immunity of the cow. Therefore we see that warm and stuffy periods often lead to a reduced fertility, claw problems and an increased cell count in the milk.

Our solution

During heat stress it is important that the animals have sufficient available trace elements. These minerals (Nutriforte® Cow) are partly antioxidants can therefore neutralize the aforementioned peroxides – due to oxidative stress – by capturing that extra oxygen atom. In this manner we can minimize the effects of oxidative stress. These trace elements can best be supplied in liquid form by the drinking water because animals are focused on hydration during periods of heat stress! An additional positive impact is that the water troughs stay cleaner because of the antibacterial effect of copper and zinc what will also lead to a better palatability.



More information

Would you like to know more about Nutripreserve® or Nutriforte®Cow? Visit the productpage of Nutripreserve®or Nutriforte Cow® or contact us by phone +31 (0)499- 425 600. You can also send an e-mail to info@kanters.nl.

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