The use of "summer to winter ratio" index as a tool to define how successfully dairy farms deal with summer heat stress

Published on: 08/17/2016
Author/s : Dr. Israel Flamenbaum / Cow Cooling Solutions, Ltd, Israel

In the last 40 years, Israeli researchers realized comparative studies in order to define the negative effect of heat stress in dairy cows and the effect of using cooling methods to mitigate the heat and reduce the losses in the productivity and fertility of the cows during summer. Recently, an index called "summer to winter ratio" was developed in the Israeli dairy sector. This index allows to...

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Dr. ABRAHAM K.CHACKO Dr. ABRAHAM K.CHACKO
Veterinary Doctor
August 17, 2016

Thank you Dr. Flamenbaum for the detailed study published.
I would like to get some details of the Cooling System used in ( Ref. Table 3) Coast Humid and Desert Dry farms. Is it the same system adopted in both conditions (say, for example, Korral Kool) considering the variation in humidity? Would appreciate discussion.

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dr. jamil .m. dr. jamil .m.
Veterinary Doctor
August 23, 2016
thank you for the useful article
1- what is the effect of evaporative cooling on the floor and consequently on the udder and the feet ?
2- is there any negative effect on the cows when the relative humidity of the air is high?
3-what is the recommended airspeed over the cows ?
4- what is the recommended floor space /cow ?

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July 14, 2020
good article
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