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Articles by M. Moradi Shahrbabak
Total Records ( 2 ) for M. Moradi Shahrbabak
  S. Zakizadeh , M. Reissmann , G. Rahimi , A. Nejati Javaremi , P. Reinecke , S.R. Mirae-Ashtiani and M. Moradi Shahrbabak
  The aim of this study was to estimate the allele frequencies in polymorphic site of exon six of POU1F1 gene in three Iranian native and Holstein cattle. Genomic DNA was extracted from 3 Iranian native cattle breeds, including 97 Mazandarani, 87 Sarabi, 112 Golpaygani and also 110 Holstein cattle. A 451 bp fragment of intron 5 and exon 6 were amplified and digested with HinfI restriction enzyme. Frequencies of allele A were 0.37, 0.27, 0.34 and 0.21 for Mazandarani, Sarabi, Golpaygani and Holstein cattle, respectively. Significant differences in genotype frequencies were found between Mazandarani or Golpaygani and Holstein cattle. No significant differences in genotype frequencies were found between Sarabi and Holstein cattle. Transition A to G in nucleotide 1256 is responsible for HinfI(-) allele. No significant association was observed between POU1F1 polymorphism and milk production. Differences in allelic frequency between native Bos indicus breeds (Mazandarani, Golpaygani) and Holstein at the present study might be due to differences in origin breeds, low number of samples and/or as the effect of natural selection in native breeds.
  R. Sadeghi , A. Pakdel , M. Moradi Shahrbabak and H. Moradi Shahrbabak
  This experiment was conducted to determine the effect of 9 generations of divergent selection for 4 weeks Body Weight (BW4) on growth and reproductive traits in Japanese quail. For this purpose, HW and LW lines were subjected to individual selection for high and low 4 weeks BW, respectively and were compared with control line (C). In compare to LW line and except for average daily gain from 4-6 weeks, average daily gain for other periods was significantly higher in HW. Age of sexual maturity was 7 and 4 days more than control line in HW and LW, respectively (p≤0.05). Body weight of sexual maturity in HW was significantly higher than those in control (p≤0.05). In compared to the C line, total egg weight increased 18.57 g in HW and decreased 112.56 (g) in LW (p≤0.05). Total egg number in HW was significantly lower than those in C line (p≤0.05).
 
 
 
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