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Title: Productive performance and metabolic hormonal profile in cows supplemented with prilled fat
Authors: Singh, Mahendra
Yadav, Govinda
Roy, AK
Thakur, Sunita
Keywords: Prilled fat;Feed intake;Hormones;Milk yield;Cows
Issue Date: Apr-2016
Publisher: NISCAIR-CSIR, India
IPC Code: Int. Cl.8: B01J 2/02, A23D, C11B, A01K 5/00, A01K 61/02, G01N 33/04, A01J 1/00-A01J 9/00, C07, C07J, C07G 15/00, A61K 38/08, A61K 38/22
Abstract: Five advanced pregnant crossbred Karan Fries cows (MPPA=3657) were fed prilled fat @75gm/day/animal from day -45 of parturition and @150gm/day/animal till day 70 postpartum (SG) whereas another 5 cows (MPPA=3696) were fed standard ration which served as Control (CON). The DMI and body weights were recorded at fortnightly intervals. Blood samples were collected at weekly intervals and the postpartum milk yield was recorded till day 70 of lactation. Feeding of prilled fat increased (P<0.01) milk yield without affecting DMI. Plasma GH (P<0.01) and leptin concentration were higher (P<0.05) in SG than CON, however ghrelin level was lower (P<0.01) in SG. Plasma cortisol, T3, T4 and insulin levels remained unaffected on prilled fat supplementation. Plasma NEFA level decreased (P<0.01) in SG than the CON cows. The body weight of the born calves was more (P<0.05) in SG in comparison to CON. The SG cows exhibited postpartum estrus earlier and the conception rate was higher than the CON. The results suggested that prepartum supplementation of prilled fat @75gm/day/cow in KF cows increased (P<0.01) the calf birth weight and reduced the cases of retention of fetal membrane and metritis. Postpartum supplementation of prilled fat @150gm/day/cow augmented productive performance of cows by restricting the mobilization of body reserves.
Page(s): 292-296
ISSN: 0975-1068 (Online); 0972-5938 (Print)
Appears in Collections: IJTK Vol.15(2) [April 2016]

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