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Effects of different methods of wheat grain processing on skeletal growth, blood metabolites, feed consumption and digestion in neonatal Holstein calves

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Author(s): S. S. Mirghaffari, | K. Karkoodi, | A. Mirza-aghazadeh | N. Maheri-sis

Journal: Research Opinions in Animal & Veterinary Sciences
ISSN 2221-1896

Volume: 2;
Issue: 2;
Start page: 78;
Date: 2012;
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Keywords: Wheat | Grain Processing | Calves | Digestion | Blood Metabolites

ABSTRACT
Fifty six neonatal Holstein calves (22 male and 34 female) were fed calf starters and post weaning diets containing 35 and 21.90% Popped (PW), steam flaked (SFW), dry-rolled (DRW) or ground (GW) to 12 weeks of age. Particle size distribution of processed wheat grains, skeletal growth measures, starter digestibility, starter intake, health status, and blood metabolites of neonatal calves were assessed in weeks 4, 8 and 12 to assess rumen development and find the optimum method of wheat processing for calves. The experiment started when calves were 3 ± 1 d old and studied for 90 days. Calves were weaned at the end of 9th week and a post weaning specific starter diets were fed for one month. PW and SFW dramatically decreased fine particles in comparison to GW or DRW. PW had the most proportion of larger particles (93.52% >3.38 mm) where GW had the finest texture (70.71%
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