Volume 8, Issue 15 (6-2017)                   rap 2017, 8(15): 68-75 | Back to browse issues page

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Effects of Different Levels of Garlic Powder in the Starter Diet on Performance of Holestin Dairy Calves. rap. 2017; 8 (15) :68-75
URL: http://rap.sanru.ac.ir/article-1-759-en.html
Abstract:   (629 Views)

The objective of this study was to determine the effects of different levels of garlic powder (GP) in the starter diet on performance, weight and age of weaning, some of blood metabolites, fecal score, structural growth and nutrients digestibility in new-born Holstein calves. Thirty male and femal dairy calves (40.9 ± 1.9 Kg of BW) were randomly assigned in a completely randomized design to the following three groups 1) basal diet without GP (control), 2) basal diet supplemented with 0.5% GP, and 3) basal diet supplemented with 1% GP for a period of 70 d. All calves recived colostrum until d 3 and then were offered 4 kg whole milk/d from d 4 to weaning. Results showed that dry matter intake (DMI) was higher in the calves fed rations containing 0.5 and 1% GP and the calves fed 0.5% GP had the highest gain, average daily gain (ADG) and weight of weaning (P< 0.02) than those fed other group. However, feed conversion ratio (FCR) was not affected by the experimental diets. Furthermore, feeding GP was found to have effects on plasma cholesterol and triglyceride concentration. The calves fed with diets containing GP exhibited a higher digestibility of DM, OM, CP, ADF and NDF and also this calves were greater for heart girth and body barrel than the control groups (P< 0.01). It was concluded that supplementation of diet with 0.5% GP could be a proper choice to improving of DMI, performance, gain, digestibility of nutrients and reducing plasma cholesterol and triglyceride concentration.

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Type of Study: Research | Subject: Special

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