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  • buffalo mitochondrial DNA  (2)
  • Forward crossing  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Polymorphism of mitochondrial DNA (mtDNA) in cattle and buffaloes (1990)
    Springer
    Biochemical genetics 28 (1990), S. 311-318 
    Details
    ISSN: 1573-4927
    Keywords: Bos indicus ; buffalo mitochondrial DNA ; restriction endonuclease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Mitochondrial DNA (mtDNA) from two breeds of cattle, viz., [Hariana (Bos indicus), Holstein (Bos taurus)] and Indian water buffalo (Bubalis bubalus), was analyzed using 13 restriction endonucleases which recognized an average of about 40 six-base sites. Polymorphism among cattle was detected with six of these enzymes. The two Holstein differed at six sites, whereas the Hariana breed (Bos indicus) did not show any site polymorphism. Surprisingly, the Hariana type differed by only one site from one of the Holstein types. The total size of buffalo mtDNA was estimated to be 16.4 kb. Polymorphism within the Murrah buffalo breed was observed with respect to aBglI site. Scarcely any of the restriction fragments of buffalo mtDNA matched those of cattle mtDNA.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02401421
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Polymorphism of mitochondrial DNA (mtDNA) in cattle and buffaloes (1990)
    Springer
    Biochemical genetics 28 (1990), S. 311-318 
    Details
    ISSN: 1573-4927
    Keywords: Bos indicus ; buffalo mitochondrial DNA ; restriction endonuclease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Mitochondrial DNA (mtDNA) from two breeds of cattle, viz., [Hariana (Bos indicus), Holstein (Bos taurus)] and Indian water buffalo (Bubalis bubalus), was analyzed using 13 restriction endonucleases which recognized an average of about 40 six-base sites. Polymorphism among cattle was detected with six of these enzymes. The two Holstein differed at six sites, whereas the Hariana breed (Bos indicus) did not show any site polymorphism. Surprisingly, the Hariana type differed by only one site from one of the Holstein types. The total size of buffalo mtDNA was estimated to be 16.4 kb. Polymorphism within the Murrah buffalo breed was observed with respect to aBglI site. Scarcely any of the restriction fragments of buffalo mtDNA matched those of cattle mtDNA.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00554062
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Genetic divergence in various Sahiwal x Holstein crossbred grades (1979)
    Springer
    Theoretical and applied genetics 54 (1979), S. 69-74 
    Details
    ISSN: 1432-2242
    Keywords: Divergence ; Grades ; Forward crossing ; Canonical root
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The degree of genetic divergence using Mahalanobis's D2 statistic and the clustering pattern using canonical variate analysis between Sahiwal and its 39 Friesian grades were studied for 9 characters of economic importance. The records were adjusted for the significant effects due to farms, periods and seasons. Forty grades were grouped into 11 clusters. The results have shown that in cattle when two breeds of diverse origin, one of superior merit and the other relatively inferior, are crossed in a scheme of forward crossing, there is no linear increase in production level above 50% with the increase in genes of the superior parent. It can not be assumed that grading up to a total replacement of genes will lead to higher levels of production at least in cattle. In order to stabilize a breed type from such a crossbred population a breeding plan has been proposed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00265472
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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