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Effect of feeding ground pelleted hay and infusion of artificial saliva in rumen of lactating cows



Effect of feeding ground pelleted hay and infusion of artificial saliva in rumen of lactating cows



Indian Journal of Animal Nutrition 6(4): 373-376



Three Holstein, rumen fistulated lactating cows (639-732 kg) fed on a ration containing 40:60 concentrate roughage ratio in a Latin square switch over experiment for a period of 10 d. The brome grass hay was fed as such in group A and in pelleted form in groups B and C. In group C, artificial saliva was infused continuously into the rumen. The average intake of feed was 17.65 .+-. 1.26, 17.85 .+-. 1.11 and 15.91 .+-. 1,27 kg/d and milk yield was 15.97 .+-. 2.38, 16.43 .+-. 2.00 and 17.93 .+-. 2.23 kg/d in groups A, B and C, respectively (P < 0.05). Rumen volume depicted a decrease on feeding pelleted hay and much more on infusion of artificial saliva. However, the DM percentage in rumen contents remained unaffected by treatments indicating its possible role in passage of particles from rumen.

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Accession: 002082303

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