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Articles by Mahdi Malakian
Total Records ( 3 ) for Mahdi Malakian
  Mahdi Malakian
  A study was conducted to evaluate the nutritive value and inclusion level of Sunflower Seed (SFS) in broiler diets. SFS contained 38.7% Ether Extract (EE), 16.9% CP, 14.9% Crude Fiber (CF), 3.5% ash, 0.57% lysine and 0.46% methionine (89.2% DM basis). The AME (kcal kg-1) content of SFS in roosters was 5,225 and in broilers at 4, 18 and 35 days of age was 3493, 5132 and 5162, respectively. The CP, EE and CF digestibilities were 80.4, 71.2 and 11.4%, respectively. In an isocaloric and isonitrogenous diet containing SFS at 0, 5, 10, 15 and 20%, SFS up to 20% did not affect weight gain and feed consumption but the feed conversion ratio was improved (p<0.05) when broilers were fed 15 or 20% SFS in the starter and finisher diets. CF digestibility of starter diet was significantly lower when 15 or 20% SFS was included. CF digestibility of the finisher diet and digestibility of other nutrients in starter and finisher diets were comparable in all treatment groups. Liver and muscle lipid content, plasma total and high-density lipoprotein cholesterol content, muscle cholesterol content, dressing percentage, liver weight and giblet weight (as % live weight) were comparable among all treatment groups. Abdominal fat was increased in birds fed 20% SFS. Percentage skin was decreased in broilers fed = 10% SFS.
  Afshin Heidarinia and Mahdi Malakian
  This experiment was conducted to evaluate the using of different levels of cottonseed meal with and without ferrous sulfate in broiler diet. The performance of 42 old day straight Cobb (500) broiler chicks fed diets containing 5, 10, 15 and 20% Cottonseed Meal (CSM) was compared with that of control chicks fed corn and soybean meal based broiler rations. Four dietary treatments with Ferro sulfate, four dietary treatments without Ferro sulfate. The 1 treatment (control) 2-5 (without Ferro sulfate) and 6-9 (with Ferro sulfate). All diets were formulated to meet minimum NRC requirements. Lysine levels were adjusted by addition of synthetic lysine at rates of 0.5% of the protein in CSM and by addition of synthetic Ferro sulfate at rate of 0.04% of the protein in CSM.
  Mahdi Malakian , Ahmad Hassanabadi and Afshin Heidariniya
  This study was designed to evaluate the effect of various levels of Full-Fat Safflower seed (FFSS) on performance in broiler chickens. Diets containing various levels of FFSS (0, 5, 10, 15 and 20%) were given to broilers from 21-42 day of age. About 350,21 day old broiler chickens were weighted and distributed randomly to 5 treatments with 5 replicates (14 chicks in each replicate) in each treatment. Blood parameters and carcass traits were determined at 42 days of age. FFSS levels did not significantly affect weight gain, feed intake and Feed Conversion Ratio (FCR). Breast yield, thighs, gastrointestinal tract, liver and gizzard weight percentages were not affected by dietary treatments and abdominal fat pad percentage did not significantly decrease. Triglyceride and total serum protein concentrations were not affected by FFSS levels but cholesterol concentration was significantly decreased (p<0.05). The results of the current study indicated that FFSS could be used up to 20% of broiler diets without any adverse effects on performance or other parameters of chickens.
 
 
 
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