title: Evaluation of feed grains with dried skim milk and added carbohydrate sources on weanling pig performance.
abstract: Two experiments were conducted to evaluate the effects of 1) two grain mixtures and 2) various carbohydrate sources and levels fed to weanling pigs during the initial 2 wk postweaning. A total of 720 crossbred pigs were weaned at 23 +/- 2 d of age at an average BW of 5.8 kg. In Exp. 1, a 2 x 3 factorial experiment in a randomized complete block design was conducted in 12 replicates. Treatment diets formulated to 1.40% lysine were fed for a 14-d period. These diets contained dried skim milk (DSM) at a 45% level and an oat groat-soybean meal (OG-SBM-DSM) or a corn-soybean meal (C-SBM-DSM) mixture. In addition, the diets contained one of three carbohydrate sources (cornstarch, dextrose, lactose) at a 12% level. From 15 to 35 d postweaning, all groups were fed a 1.15% lysine corn-soybean meal (C-SBM) diet. The results demonstrated that during the period from 0 to 14 d weight gains were similar when either grain source was provided, but gain:feed ratio was superior and serum urea N was lower when the OG-SBM-DSM diet was fed. The addition of lactose or dextrose to either grain mixture resulted in greater weight gains (P <.05) than when cornstarch was the carbohydrate source. The second experiment was a randomized complete block design conducted in six replicates. The C-SBM-DSM diet of Exp. 1 served as the positive control diet. The other diets used corn gluten meal (CGM), SBM, and DSM with the three carbohydrate sources added at 22.5 or 35.5%.(ABSTRACT TRUNCATED AT 250 WORDS)
authors.affiliation: Animal Science Department, Ohio State University, Columbus 43210-1095.
authors.forename: D C
authors.initials: DC
authors.lastname: Mahan
authors.forename: E A
authors.initials: EA
authors.lastname: Newton
mesh_terms: D000821:Animal Feed; D000818:Animals; D004040:Dietary Carbohydrates / Q000008:administration & dosage*; D004435:Eating; D002523:Edible Grain; D005947:Glucose / Q000008:administration & dosage; D007785:Lactose / Q000008:administration & dosage; D008892:Milk; D011897:Random Allocation; D013213:Starch / Q000008:administration & dosage; D013552:Swine / Q000254:growth & development*; D014886:Weaning; D015430:Weight Gain
chemical_list: D004040:Dietary Carbohydrates; D013213:Starch; D005947:Glucose; D007785:Lactose