Moscow, Russian Federation
Moscow, Russian Federation
Moscow, Russian Federation
Illumination is an important variable that affects the milk yield. The present 90-day experiment took place on the premises of the Experimental Station Grigoryevskoe, Yaroslavl Region, Russia. The cows received feed and water that complied with veterinary and sanitary standards. The authors developed an SP-3 experimental lighting system of twelve LED lights with a total of 108 W. The uniformity of illumination and color rendering was improved by 30%. The control herd lived in their usual stalls with four fluorescent lights (LSP-2x36) with a total of 288 W. The new lighting system increased the energy saving by 2.6 times while the milk yield in the experimental herd grew by 4.5%.
LED lighting, illumination, physiological state, cows, milk, productivity, ration
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