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Purdue University, Lafayette, Indiana 47907
Abstract
The intake of adequate nutrients during the early hours of life is an important factor in the survival of neonatal pigs. Researchers have observed that pigs succumb to starvation more readily than do the newborn of many other species (Sampson, Taylor and Smith, 1955; Goodwin, 1957). Thus, an early intake of nutrients appears to be necessary to supply adequate energy and to correct blood constituent deficiencies existing at birth (McCance and Widdowson, 1959; Lecce, Matrone and Morgan, 1961; Ramirez et al., 1963; Bengtsson et al., 1969).
Van Duyne et al. (1960) observed that survival of newborn lambs was associated with a 5-fold increase in plasma free fatty acids (FFA) in the first 30 min. of life. The new-born pig, on the other hand, responds with only a moderate increase of plasma FFA during the first few days of life (Swiatek et al., 1968) and cannot maintain an elevated level until after at least 1 week of age (Gentz et al., 1970).
1 Department of Animal Sciences Journal Paper No. 4334, Purdue University Agricultural Experiment Station.
2 Present address: Developmental Research, Agricultural Division, Pfizer, Inc., Terre Haute, Indiana 47808.
3 Department of Animal Science, University of Florida, Gainesville 32601.
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