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Resource centre on India's rural distress
 
 

Heat stress crimping summer milk output: Study -Zia Haq

-Hindustan Times

Increasing spells of summer heatwave in northwestern India, thought to be linked to climate change, are hurting milk productivity, or output per cattle, while raising costs of production for farmers.

Increasing spells of summer heatwave in northwestern India, thought to be linked to climate change, are hurting milk productivity, or output per cattle, while raising costs of production for farmers, a study by the flagship National Dairy Research Institute has found, highlighting the vulnerability of the country’s agriculture sector to extreme weather.

Climate scientists have warned that scorching heatwaves in India, among other extreme weather events, are certainly being driven by global warming, posing a risk to food output. Milk productivity in the world’s largest producer has also been on a decreasing trend during summers due to heat stress, the recent study found.

The study found that each unit increase in the temperature humidity index — an indicator of thermal stress — above a so-called “critical level” significantly reduces the fortnightly milk productivity of dairy animals by 0.42-0.67% in northern Indian plains.

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