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  1. International Journal of Dairy Science
  2. Vol 1 (1), 2006
  3. 27-31
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International Journal of Dairy Science

Year: 2006 | Volume: 1 | Issue: 1 | Page No.: 27-31
DOI: 10.3923/ijds.2006.27.31

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Authors


Sahar Ahmed


Keywords


  • α S1-casein
  • PCR-RFLP
  • Goat
  • polymorphism
Research Article

Identification of Egyptian Goat α S1-casein Alleles Using PCR-RFLP Method

Sahar Ahmed
This study aimed to detect the allelic frequency and identification of the genetic variants of α S1-casein gene in Egyptian goat using PCR-RFLP method. Forty-four animals used for detecting the presence of 10 polymorphisms of goat α S1-casein. The PCR products were digested by restriction enzyme XmnI and resolved using gel electrophoresis. Present results showed that Egyptian goat breeds carry low percentage of homozygous strong alleles A (4.5%) and B (6.8%) of milk casein used for cheese industry. The mild allele D recorded very low percentage 2.3%. This allele associated with medium level of milk protein favorable for allergic nutritional purposes. In conclusion, the allele frequencies and identification for animals α S1-casein are important for identifying animals carrying strong and mild alleles needed for improving a given trait depend on the frequency of favorable allele. The more will gained by selecting for strong and mild alleles of α S1-casein. So that, the breeding strategies should be changed toward milk protein alleles required for economic milk industry.
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How to cite this article

Sahar Ahmed, 2006. Identification of Egyptian Goat α S1-casein Alleles Using PCR-RFLP Method. International Journal of Dairy Science, 1: 27-31.

DOI: 10.3923/ijds.2006.27.31

URL: https://scialert.net/abstract/?doi=ijds.2006.27.31

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