Efficient milk production under heat stress condition

Published on: 09/20/2016
Author/s : Dr. Israel Flamenbaum / Cow Cooling Solutions, Ltd, Israel

Heat stress is now considered to be the cause of the largest economical loss to the world’s dairy sector. The reasons for this are global warming, the increase in milk output per cow and the “immigration” of dairy sectors from temperate to tropical and sub-tropical regions, where the demand for milk in most cases is increasing.   Heat stress negatively affects the global d...

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Israel Flamenbaum Israel Flamenbaum
PhD (Animal Science)
October 3, 2016
Dear Rajesh,
I have very poor knowledge on cold stress. Hopefully, one of the members can answer your question
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Hassan Khan Hassan Khan
Mr. Hassan Khan
October 4, 2016

Well, this varies depending upon the conditions and humidity and also on the ability of the animals beyond which it cannot be tolerated and the animals feel under stressed, where its production go down day by day.

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October 11, 2016
I work a lot in dairy development in India, China, Vietnam and northern Australia. I agree that heat management is essential and good cooling systems are available, but must be implemented professionally. However in many tropical climates I work in (hot and very humid) I still firmly believe we should be looking at genetics, both within HF also considering other breeds, including Brown Swiss, and cross breds, including Jersey X HF and local breed X HF. In Vietnam, on lowland farms, HF X Jersey overwhelmingly outperform HF in annual production, inter-calving interval, general health, lameness and longevity. I always advise new and current dairy clients in the moist tropics, to take breed/genetics seriously, especially in relation to environmental adaptation, especially managing heat and humidity.
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Israel Flamenbaum Israel Flamenbaum
PhD (Animal Science)
October 12, 2016
Hello Philip
You are right in your observation and it will be better use crossing in case you can't provide cows with good feeding , housing, veterinary care and effective cooling.
Anyhow, my experience in these same tropical regions is that, once you manage giving all these factors, then HF is able to manifest its potential and be superior over other breeds or crosses.
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October 12, 2016
An animal needs chromium to optimize the insulin response which impacts glucose metabolism and creates cellular energy. Insulin does not function properly if an animal has a chromium deficiency and deficiency can lead to significant energy loss. Chromium allows cows to use energy efficiently.
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October 12, 2016
Also feed energy rich diets. With proper buffering agents due to pleasant rumen environment.
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Rajeshwaran Rajeshwaran
BVSc, PGDRM, PhD
October 19, 2016
Dairy cows in New Zealand of all breeds including HF and Jersey are not housed inspite of the cold and wet climate and still continue to produce high quantity of milk. The farmers there say that it is not economical for them to house the cows. Their production levels as you all know are comparable to the World's top countries.
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October 23, 2016
In the hot tropics most of the water is used for cooling. Water is scarce. Increasing milk production will need reduction of body size.
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October 29, 2016
I have a dairy farm for 10 HF cows. I want to increase for 50 cows. In summer i want to use Air blower to cool cow shed area. I want to know is it ok or any humidity problem will com. Please known people advice e.

Thanks
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Dr. Nauman Raja Dr. Nauman Raja
Animal Health Technologist
November 9, 2016
Energy requirement is increased up to 20% in heat stressed cows for each 1 degree Celsius increase in body temperature. So, energy rich diet should be fed optimizing buffering effect. So that we wouldn't face acidosis
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Rajeshwaran Rajeshwaran
BVSc, PGDRM, PhD
November 10, 2016
Acidosis directly stems from excess feeding of grains. The better alternative is to reduce the ill effects of high temperature by cooling of the body by just spraying water on the body three or four times between 11 to 4 pm with a gunny sack on the torso. Reduce exposure to radiation heat in these timings. Crossbred cows form less than 25% of total female bovines. Rest 75% are generally unaffected by heat stress.
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January 1, 2017

Heat stress condition can be reduced by using active energy molecules cattle feed supplement from plant extracts.

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July 25, 2018

PRADEEP BHATIA Sir, can you guide us? Any supplement for enhancing milk production of dairy animals during heat stress?

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July 26, 2018

Gagan deep sobti
Heat stress is substantially reduced with Phytogenic feed supplements.

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March 28, 2019

Gagan deep sobti you can use product Ecogold bioksheera and see positive results for heat stress and increased milk production

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Shifali Sharma Shifali Sharma
Businessman
June 20, 2019
Heat stress is now considered to be the cause of the largest economic loss to the world’s dairy sector. The reasons for this are global warming, the increase in milk output per cow and the “immigration” of dairy sectors from temperate to tropical and sub-tropical regions, where the demand for milk in most cases is increasing.
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