Israel Flamenbaum
PhD (Animal Science)
consult dairy farms in properly manage and cool dairy cows in hot regions, as well as provide them with recommendations for the best use of cooling solutions.
PhD (Animal Science)
Article published the July 31, 2020
In a survey that we carried out recently in Israel, we found a great variation between farms, in terms of the number of hours along the day the cows are in "heat stress" condition (body temperature above normal). This variation is correlated with cow’s milk yield and breeding performance during summer months. As time in a day, cows face heat stress is longer, the drop in milk production and ...
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Article published the July 21, 2020
The summer heat stress is one of the largest causes of economic losses to dairy farms in the world. In particularly hot regions, a drop of more than 1,500 liters par lactation from cow’s potential is reported, with a loss in potential annual net income of about $ 600 per cow. Optimizing cow cooling can reduce the annual production loss to less than 200 liters, and the financial loss to almos ...
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Article published the July 21, 2020
Efficient cooling systems based on water evaporation from cow's body surface have been developed in last four decades in dairy sectors of warm climate countries. The main effect of cooling is in reducing the drop in food consumption caused by heat stress, in addition to the normal drop in food consumption in the beginning of lactation, resulted by the mobilization of body reserves and with all its ...
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Article published the July 21, 2020
Summer losses in milk production are usually related to the negative impact of summer heat stress on the lactating cow. In the last 40 years, some studies realized in different parts of the world showed that also dry cows are negatively affected, when subjected to heat stress conditions. These losses are mainly related to lower milk volume and solids production, as well as fertility traits in earl ...
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Article published the April 24, 2020
Achieving high conception rate is one of the conditions for achieving efficient production of milk at farm level. For many years the Israeli dairy industry suffered, like other farms in warm countries, a significant decline in the ability to pregnant the cows during summer months, causing reduction in the efficiency of milk production and seasonality in milk supply to the industry and market. Unl ...
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Article published the April 20, 2020
Dairy sectors all over the world have been using the cattle heat load index (THI) as a mean of characterizing the climatic conditions to which cows are exposed. This is true when analyzing the results of experiments and surveys, as well as the routine by which milk producers operate their farms. The heat load index is based on a formula that includes the ambient temperature and relative humidity ...
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Article published the December 30, 2019
Summer heat stress causes significant economic losses to the U.S. livestock and especially the dairy industry. Different studies conducted in the United States indicate an annual loss of about $ 1.5 billion to the dairy US industry. This is due to unsuccessful confrontation of US dairy farmers with the heat stress problem. The losses differ of course, between different regions of the United States ...
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Article published the December 17, 2019
Cooling means to reduce heat stress from cows was developed over the last four decades in Israel, and are applied to a different degree of success in many farms in the world.  Cooling cows in the farm is based on the daily routine, which includes of cooling the cows by a combination of wetting and forced ventilation in the waiting yard and in the feeding line. In addition, cows are force ven ...
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Article published the October 30, 2019
Heat stress is considered one of the most influential factors in the profitability of dairy farms, especially in the hot regions of the world. In the conferences and publications that I have published over the years, I mainly dealt with the economic benefits that may arise from the proper installation and operation of the means to dissipate the heat generated by the cows. The purpose of this arti ...
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Article published the October 30, 2019
Heat stress is considered an influential factor in the profitability of dairy farms, especially in the hot regions of the world. In the first part of my article, previous to this, I described how heat stress impairs cow's performance and farm profitability. In the current article, I plan to show, based on the literature, my own experience and calculations, how proper cooling can reduce the negativ ...
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Location:Tel Aviv, Tel Aviv, Israel
Profile: Professional
Professional Title: PhD (Animal Science)
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