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Journal of Animal Science, Vol 75, Issue 3 707-713, Copyright © 1997 by American Society of Animal Science

JOURNAL ARTICLE

Effect of fat content of colostrum on voluntary colostrum intake and fat utilization in newborn pigs

J. Le Dividich, P. Herpin, E. Paul and F. Strullu
INRA, Station de Recherches Porcines, St Gilles, France.

The effects of colostral fat level on voluntary colostrum and ME intake were determined in 25 newborn pigs during the first postnatal day. Within a litter, five pigs were obtained before nursing and allotted on the basis of initial body weight (BW) at 2 h of age to one of the five treatments: killed or ad libitum bottle-fed sow colostrum containing 2.5, 5.0, 7.5, or 10.0% of total fat. A total of 24 feedings was provided at 60-min intervals, and pigs were killed 1 h after the final feeding. Total colostrum intake averaged 584.8 +/- 42 g (i.e., 436 g/kg of average BW) with the first two feedings accounting for 19.8% of the total consumption. Colostrum intake decreased linearly (P < .08) by 5.9 g/kg of average BW per 1% increase in the level of fat. However, GE and ME intake increased linearly (P < .01) by 7.65 and 4.09 kcal/kg average BW per 1.0 g/kg of average BW increase in fat intake, respectively. Adipose tissue lipoprotein lipase increased (P < .01) during the first postnatal day. Carcass fat deposition and fat oxidation increased linearly (P < .01) by .36 and .20 g/kg of average BW per 1.0 g/kg of average BW increase in fat intake, respectively. We suggest that increasing the fat content in colostrum has little effect on voluntary colostrum intake, and the practice may be an efficient method for improving the energy supply to newborn pigs.


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