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Articles by Kambiz Nazeradl
Total Records ( 2 ) for Kambiz Nazeradl
  Naser Maheri-Sis , Mohammad Chamani , Ali Asghar Sadeghi , Ali Mirzaaghazadeh , Kambiz Nazeradl and Abolfazl Aghajanzadeh-Golshani
  This study was carried out to evaluate effects of drying and ensiling on ruminal cell wall (neutral detergent fibre; NDF) degradation of tomato pomace using in situ technique. Nylon bags filled with 5 g (on dry matter basis) of each wet, dried and ensiled tomato pomace were suspended in the rumen of three fistulated Ghezel rams for 0, 2, 4, 8, 12, 24, 48 and 72 h and obtained data were fitted to a non-linear degradation model to calculate ruminal degradation characteristics. Results showed that drying and ensiling, cause significant decrease in cell wall degradation of tomato pomace at all incubation times. Cell wall water soluble fraction (a) was decreased and potentially degradable fraction (b) was increased, while rate of degradation (c) and potential degradability (a+b) were not significantly affected by drying and ensiling of tomato pomace. Effective rumen degradability of cell wall was significantly reduced by the processing. In an overall conclusion, cell wall degradability of fresh tomato pomace was higher than that of dried and ensiled form. In other word, ensiling and drying can exert negative effects on cell wall degradation of tomato pomace in the rumen.
  Shayan Ghanbari , Yahya Ebrahimnazhad , Behrad Eshratkhah and Kambiz Nazeradl
  This study investigated the effect of dietary supplementation of chromium from chromium picolinate source on the performance, carcass traits of broilers. Three hundred sixty one day old commercial male broilers (Ross 308) were randomly allocated to one of 24 floor pens in a completely randomized design with six treatment and four replicate groups and fifteen chicks per each pen. Dietary treatments consisted of 0 (control), 400, 800, 1200, 1600 and 2000 μg Cr per kg of basal diet. Feed intake, body weight gain and feed conversion ratio were measured during 1 to 21, 21 to 42 and 1 to 42 days of age. At 42 days of age two birds from each pen were selected and after weighing slaughtered and dissected manually. Carcass yield, liver, abdominal fat, pancreas, thighs and breast weight declared as percentage of live body weight. The results showed that performance of broilers was not affected by dietary supplemental chromium. Also supplementation of broiler diet didn't influence carcass traits. Nevertheless there is a non significant increase in liver and pancreas weight while increasing the Cr content of the diet. It can be concluded that chromium content of the basal starter and finisher diet and drinking water is adequate to normal requirement of broilers under such experimental conditions and supplementing of Cr may not be essential.
 
 
 
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