Azolla’s cultivation with rainwater and its effect on milk yield and quality
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Authors
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Giridhar K
ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, Karnataka 560 030
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A. Arangasamy
ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, Karnataka 560 030
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D. T. Pal
ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, Karnataka 560 030
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G. Letha Devi G.
ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, Karnataka 560 030
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A. Mech
ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, Karnataka 560 030
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M. A. Kataktalware
ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, Karnataka 560 030
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G. J. Chaithra
ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, Karnataka 560 030
Abstract
Azolla is a free floating water fern. It can be grown with just rainwater, without addition of soil, dung or phosphorus. Among different species of genus Azolla, A. pinnata is popular. The higher crude protein content (over 23%) as well as presence of essential amino acids (lysine), vitamins like A and B12 and minerals like calcium, phosphorous, potassium and magnesium made Azolla a useful feed supplement for livestock. Daily feeding of one kg of fresh Azolla increased average milk yield by half a litre per cow besides improving the fat content.
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