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Effect of Urea Molasses Mineral Block Supplementation on Milk Production of Cows (Bos indicus) in Mid Hills of Uttarakhand


Effect of Urea Molasses Mineral Block Supplementation on Milk Production of Cows (Bos indicus) in Mid Hills of Uttarakhand



Animal Nutrition and Feed Technology 9(2): 171-178



ISSN/ISBN: 0972-2963

An on farm trial was conducted in hills of Uttarakhand to assess the effect of urea molasses mineral block (UMMB) supplementation on productive performance of lactating cows. Ten crossbred cows (Bos indicus) were divided into two groups (T-1 and T-2) consisting 5 animals each. Animals were fed on homemade concentrate mixture and grass hay. The animals in group T-2 were additionally supplemented with UMMB of around 300 g/day/animal. DM intake, milk yield, milk composition were recorded at fortnight intervals in a 3 month lactation trial. A digestibility trial of 7 days was conducted at the end of the lactation trial. Daily DM intake through concentrate (kg/d) was significantly lower (P < 0.05) in T-2 (0.63) than T-1 (0.87) with concomitant increase (P < 0.05) in roughage intake (8.35 vs 7.58 kg/d). The total DM intake (kg/d) was significantly higher (P<0.05) by 10.1% in UMMB supplemented group (T-2) than control (9.30 vs 8.45). The digestibility of organic nutrients viz. DM, OM, CP, EE, CF and total carbohydrates were higher (P < 0.05) in T-2 indicating improvement in bioavailability of nutrients which was reflected in improvement in production performance. Milk yield, FCM yield and milk composition were significantly increased (P<0.05) in T-2 compared to the control T-1. The total income, net return over feed cost along with feed efficiency was better in animals of group T-2. It was concluded that UMMB supplementation economically improved the feed efficiency and milk production of lactating cows in hilly region of Uttarakhand.

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Accession: 070618935

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