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Articles by B. Parizadian
Total Records ( 3 ) for B. Parizadian
  B. Parizadian , M. Shams Shargh and S. Zerehdaran
  Effects of various levels of energy and L-carnitine on meat quality and serum lipids of Japanese quail were examined. This experiment was carried out using 480 quails in a completely randomized design with two levels of energy (2900 and 3100 kcal kg-1) and three levels of L-carnitine (0, 250 and 500 mg kg-1) by factorial arrangement. Four replicates with 20 quails were allocated to each experimental treatment and birds were reared for 42 days. At the end of the experiment, two birds from each experimental unit were selected and after slaughter and separation of carcasses, thigh and breast samples were transferred to the freezer to asses meat quality parameters. The results showed that using of higher levels of energy increased the amount of blood cholesterol and triglyceride (p<0.05). The quails were fed with ration containing L-carnitine supplementation, had lower triglyceride in comparison with control group (p<0.05). Higher levels of energy increased the amount of crude fat and malonaldehyde in breast samples. The amount of malonaldehyde in breast samples after storage for 90 days and amount of crude fat and malonaldehyde in thigh samples after storage for 30 and 90 days were affected by different levels of L-carnitine, so that using of 250 mg kg-1 L-carnitine significantly reduced the amount of malonaldehyde in breast samples and crude fat and malonaldehyde in thigh samples (p<0.05). Therefore, it can be concluded that the supplementation of diet with L-carnitine has positive effects on blood triglyceride and meat quality in Japanese quail.
  B. Parizadian , Y.J. Ahangari , M. Shams Shargh and A. Sardarzadeh
  The objective of present study was to investigate the effects of various levels of L-carnitine on performance, egg quality and blood parameters of laying Japanese quail. This experiment was carried out using 128 quail in a completely randomized design with four levels of L-carnitine (0, 125, 250 and 500 mg/kg). Four replicates with 8 quails were allocated to each experimental treatment and birds were reared from 35-70 days. The results showed that there were no significant differences in feed intake and egg production among experimental treatments (p>0.05). The effect of L-carnitine on feed conversion ratio was significant (p<0.05). The quails were fed with rations containing L-carnitine had lower feed conversion ratio (p<0.05). Adding of L-carnitine supplementation (125 and 250 mg/kg) significantly reduced egg yolk cholesterol and triglyceride (p<0.05). Dietary L-carnitine supplementation had no significant effect on other egg quality parameters (p>0.05). The quails were fed with ration containing L-carnitine supplementation (125 mg/kg) had lower blood triglyceride (p<0.05). Furthermore, L-carnitine at levels of 125 and 500 mg/kg significantly reduced blood cholesterol in comparison with control group (p<0.05). Based on current results, it can be concluded that supplementing diet with L-carnitine will reduce blood triglyceride, cholesterol and improve egg quality in laying Japanese quail.
  B. Parizadian , Y.J. Ahangari and M. Zamani
  The objective of present study was to investigate the effects of various levels of dietary L carnitine supplementation (0, 125, 250 and 500 mg kg‾1) on rooster semen characteristics during liquid storage. Semen were collected from 16 rooster using abdominal massage and suitable samples were mixed together and sperm characteristics including percentage of motile, viable, abnormal, semen pH, volume and concentration were assessed. This experiment was carried out on the basis of completely randomized design. Results showed that during liquid storage, the effect of L carnitine on motility and viability percentage of sperm in beltsville extender were significant (p<0.05). Mean comparison on the basis of duncan test showed that the highest motility and viability of spermatozoa were obtained from roosters that were fed with rations included 250 mg kg‾1 L-carnitine supplementation. Semen characteristics such as volume, pH and abnormal percentage of sperm did not differ significantly (p>0.05). Furthermore, semen concentration of birds fed dietary carnitine significantly differ from controls during experiment (p<0.05). The highest concentration of semen were obtained in level 250 mg kg‾1 L-carnitine. Therefore, use of L-carnitine supplementation (250 mg kg‾1) in broiler breeder male feeding is recommended to improve quality of rooster semen.
 
 
 
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