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Articles by D. Moore
Total Records ( 3 ) for D. Moore
  K. Baker , J. D. Firman , E. Blair , J. Brown and D. Moore
  Two floor pen trials were conducted using Nicholas White male turkeys in order to determine the digestible lysine requirements for the 49 to 61 day and the 72 to 83 day feeding periods. Prior to the study, birds were fed a typical corn, soybean meal (SBM) and pork meal based diet. They were then weighed and sorted into 48 floor pens in a curtain-sided building. Dietary treatments included eight levels of digestible lysine ranging from 0.88 to 1.23% in the first trial and 0.68 to 0.96% in the second trial. A high protein positive control treatment was added at the expense of three replicates of the highest lysine level. The lysine deficient basal diet was corn, SBM and pork meal with an intact crude protein level of 18.4% in the first experiment and 15% in the second experiment. The positive control diet was also corn, SBM and pork meal and was formulated on a total AA basis to meet nutrient requirements set by the NRC (1994). Lysine-HCL (98.5%) was used for the titration and glutamic acid was titrated inversely to maintain nitrogen at similar levels. The experiments were set up as a randomized complete block. Splined regression analysis determined the digestible lysine requirement for the 49 to 61 day period to be 1.09% for optimum bodyweight gain and 1.11% for feed conversion. The digestible lysine requirement for the 72 to 83 day period was 0.87 and 0.86% for optimum body weight gain and feed conversion, respectively.
  K. Baker , J. D. Firman , E. Blair , J. Brown and D. Moore
  Two floor pen trials were conducted using turkey toms in order to determine the digestible lysine requirement for the 72 to 83 and 84 to 95 day feeding periods. Prior to the studies, birds were fed a typical corn, soybean meal (SBM) and porkmeal based diet. At the beginning of each trial, birds were weighed and sorted into 48 floor pens in a curtain-sided building. Dietary treatments for the first experiment included eight levels of digestible lysine ranging from 0.54 to 0.75% and from 0.44 to 0.65% in the second experiment. A positive control treatment was added at the expense of three replicates of the highest lysine level. The lysine deficient basal diet was corn, SBM, and porkmeal based with intact crude protein levels of 14.3% in the first experiment and 13.2% in the second experiment. The positive control diet was also corn, SBM and pork meal based and was formulated on a total AA basis to meet or exceed nutrient requirements set by the NRC (1994). Lysine-HCL (98.5%) was used for the titration and glutamic acid was titrated inversely to keep nitrogen levels similar. The experiments were set up as randomized complete blocks and the trial periods lasted for eleven days. Segmented regression analysis determined the digestible lysine requirement for the 72 to 83 day period to be 0.68 and 0.67% for growth and feed conversion, respectively. For the 84 to 95 day period, the digestible lysine requirement was determined to be 0.53% for optimum bodyweight gain and 0.54% for feed conversion.
  J.D. Firman , D. Moore , J. Broomhead and D. McIntyre
  An experiment was conducted to test the effects of different levels of a Saccharomyces cerevisiae fermentation product on the performance and gut characteristics of male turkeys to 18 weeks of age. Turkeys were housed in a 32 pen facility (800 birds) with eight replicates and three levels (0.0625, 0.125, 0.25%) of XPC (Diamond V Mills) compared to a negative control without XPC. Experimental parameters measured included: body weight, feed intake, feed conversion, mortality and gut parameters (villi height, crypt depth, gut section histopathology). Processing yield was measured at the conclusion of the trial. All other diets and husbandry practices were based on industry standards. Feed efficiency was significantly improved in the 15-18 week period at all treatment levels (2.64 vs. 2.76 feed: gain at 18 weeks). No other differences in performance parameters measured were observed. Pectoralis major yield was higher in all treatment groups (19.9% vs. 20.7%) when compared to controls. No statistical differences were seen in gut samples in terms of gut scores, villi height, or crypt depth. The data reported here indicates that supplementing the diet with XPC may have a positive effect on the feed efficiency and breast meat yield of tom turkeys but that further studies are needed to define this effect.
 
 
 
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