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- Title
The effect of milk replacer composition on calf growth and health.
- Authors
Miller, B. L.; Johnson, T. E.; Perry, H. B.; Earleywine, T. J.
- Abstract
The composition of calf milk replacers was evaluated to determine the effect on performance and scour data when fed to Holstein bull calves. A total of 90 calves with an initial weight of 44.5 kg were randomly assigned according to body weight and blood gamma globulin concentration to five milk replacer treatments: 1) 22% CP / 20% Fat all milk protein (positive control); 2) 20% CP/10% Fat w/60% of protein from soy flour (negative control); 3) 22% CP/20% Fat all milk protein -3% pectin; 4) 22% CP/20% Fat all milk protein -1.1% psyllium; or 5) 22% CP/20% Fat w/50% of protein from protein modified soy flour. Calf milk replacer was fed averaging 775 g per calf, daily. Milk replacers were medicated (28 g neomycin/kg, 14 g oxytetracycline/kg). Calves were individually housed in individual elevated stalls and fed 2 times daily at 700 and 1615 hours. No starter was fed during this 28 day trial. Weight gain, feed efficiency, daily scour scores (1-4 score: 1=normal, 2=loose, 3=water separation. 4=3 with severe dehydration) and scour days were calculated weekly for the seven week trial period. Calves fed psyllium gained more weight (P<.05) and were more efficient (P<.05) than calves fed soy containing milk replacers. Calves fed pectin, psyllium or protein modified soy flour had a reduced (P<.05) scour severity.
- Subjects
COMPOSITION of milk; PECTINS; MILKFAT; MILK proteins; CALVES; SOY flour; SOY proteins; SOYMILK
- Publication
Journal of Animal Science, 2006, Vol 84, p364
- ISSN
0021-8812
- Publication type
Article