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Articles by Habib Aghdam Shahriar
Total Records ( 2 ) for Habib Aghdam Shahriar
  Saeid Chekani-Azar , Habib Aghdam Shahriar , Naser Maheri-Sis , Ali-Reza Ahmadzadeh and Tohid Vahdatpoor
  This experiment was conducted to assess the effect of replacing Poultry Fat (PF) with Fish Oil (FO) in broiler diets on Fatty Acid (FA) composition and sensory quality of broiler meat. Three percents oil in 4 diets were altered with replacing PF by FO in completely randomized design at four treatments with 4 replicates (T1 = 3% PF, T2 = 2% PF+1% FO, T3 = 1% PF+2% FO and T4 =3% FO) and were given ad libitum to the birds fed throughout the growth period. The fatty acids profile and quality of the breast tissue were determined. Removing PF from diet by replacement of FO decreased total saturated (TSAT) (p<0.01) and total monounsaturated FA (TMUFA) (p<0.001). The amounts of total polyunsaturated FA (TPUFA) were significantly increased when FO level was increased (p<0.001). Altering of substituting PF by FO resulted in higher values of Linolenic Acid (LNA) and long-chain n-3 PUFA (C22:6n-3, C22:5n-3, C20:5n-3) in the breast tissue (p<0.001)and therefore decrease in the n-6: n-3 ratio (p<0.001). In the sensory quality evaluations (flavor and normal smell), the meat of T3 was acceptable. Therefore, with replacing PF by FO in diets of broiler chicks, meat of T3 could be enriched without significant sensory losses, which may improve nutritional content and promote of human health.
  Habib Aghdam Shahriar , Kambiz Nazer Adl , Yahya Ebrahim Nezhad , Ramin SalamatDoust Nobar and Alireza Ahmadzadeh
  An experiment was conducted to investigate the effects of dietary fat type and different levels of vitamin E on broiler breeder`s performance and egg vitamin E contents. The experiment was carried out using a completely randomized design with factorial arrangement of 2x3 (0 and 4% of fat type and 0, 75 and 150 mg kg-1 of vitamin E supplement). In this experiment fat type was Canola Oil (CO) and tallow (TF). Ninety broiler breeder hens (Ross 308) in 3 replicates of 5 broiler breeder hens per each were fed dietary treatments at 27 weeks in eight weeks period. Egg production and average of egg weight were recorded weekly. Eggshell quality was recorded at 4 weeks intervals. Results showed that Body weight, feed intake and feed conversion ratio of hens and males were not significantly affected by experimental diets. Also egg weight and daily egg production, laying percentage and hatchability were not significantly affected by experimental diets, but hens were fed diets with Canola oil than Tallow and added 75 mg kg-1 vitamin E supplement had better performance. The levels of vitamin E in eggs (p<0.01), total fat percentage (p<0.05) were significant in 150 mg kg-1 vitamin E supplement than other groups. MDA concentration of eggs in final of experiment was not significant between groups but after four day storage, intraction effects between fat type and vitamin E concenteration were significant (p<0.01). These data were suggest that supplementation of 4% Canola oil with 75 mg kg-1 of vitamin E to diets based on corn-soybean meal can influence egg vitamin E contents without any adverse effects on broiler breeder body weight and hatchability.
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