title: Evaluating two sources of dried whey and the effects of replacing the corn and dried whey component with corn gluten meal and lactose in the diets of weanling swine.
abstract: Three experiments were conducted to evaluate the efficacy of replacing corn and dried whey with corn gluten meal (CGM) and lactose, and to evaluate two sources of edible-grade dried whey that elicited different postweaning pig growth performances. In Exp. 1, two corn-soybean meal (C-SBM) diets without or with 20% dried whey (C-SBM-DW) were formulated to contain 1.15% lysine. A third diet replaced the corn and dried whey component with CGM and lactose. The experiment used 108 crossbred pigs weaned at 23 +/- 2 d of age weighing 6.25 kg BW and was conducted in six replicates as a randomized complete block design. Pig weight gains when the C-SBM-DW diet was fed were poor in one trial, whereas a second trial resulted in improved (P < .01) performance responses to the inclusion of dried whey. The CGM-SBM-lactose diet resulted in pig gains that equaled the performance responses of the C-SBM-DW diet of Trial 2. A second experiment was subsequently designed to evaluate the effects of adding lactose or lactalbumin to the CGM-SBM-DW diets using the two dried whey sources that had been identified as good or poor quality in Exp. 1. Diets included dried whey at a 25% level and were formulated to a low lysine level (.95%) to assess the nutritional efficacy of the dried whey sources.(ABSTRACT TRUNCATED AT 250 WORDS)
authors.affiliation: Department of Animal Science, Ohio State University, Columbus.
authors.forename: D C
authors.initials: DC
authors.lastname: Mahan
mesh_terms: D000596:Amino Acids / Q000008:administration & dosage; D000821:Animal Feed / Q000032:analysis; D000818:Animals; D003611:Dairy Products; D004040:Dietary Carbohydrates / Q000008:administration & dosage; D004435:Eating; D005260:Female; D005983:Glutens / Q000008:administration & dosage; D007768:Lactalbumin / Q000008:administration & dosage; D007785:Lactose / Q000008:administration & dosage*; D008297:Male; D008894:Milk Proteins / Q000008:administration & dosage / Q000737:chemistry; D009753:Nutritive Value; D011897:Random Allocation; D013025:Glycine max; D013552:Swine / Q000254:growth & development*; D014886:Weaning; D015430:Weight Gain; D000067816:Whey Proteins; D003313:Zea mays
chemical_list: D000596:Amino Acids; D004040:Dietary Carbohydrates; D008894:Milk Proteins; D000067816:Whey Proteins; D005983:Glutens; D007768:Lactalbumin; D007785:Lactose