Milk composition traits in Jamunapari goats: Genetic parameters and effect of CSN1S1 gene variants

Milk protein polymorphism was analysed to improve the protein content in milk. The present study characterises the CSN1S1 gene and the effect of allelic combinations on milk composition traits in Jamunapari goats. The allelic variants obtained from sodium dodecyl sulfate polyacrylamide gel electroph...

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Bibliographic Details
Published in:International journal of dairy technology 2020-02, Vol.73 (1), p.12-21
Main Authors: Verma, Mahima, Dige, Mahesh S, Kaushik, Rakesh, Gautam, Devika, De, Sachinandan, Rout, Pramod K
Format: Article
Language:English
Subjects:
Alleles
Casein
Cloning
Composition
CSN1S1 gene
Electrophoresis
Gel electrophoresis
Gene polymorphism
Gene sequencing
Genotypes
Goat's milk
Goats
Heritability
Lactose
Milk
Milk composition traits
Parameters
Polyacrylamide
Polymerase chain reaction
Polymorphism
Population genetics
Proteins
Restriction fragment length polymorphism
Sodium dodecyl sulfate
Sodium lauryl sulfate
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Summary:Milk protein polymorphism was analysed to improve the protein content in milk. The present study characterises the CSN1S1 gene and the effect of allelic combinations on milk composition traits in Jamunapari goats. The allelic variants obtained from sodium dodecyl sulfate polyacrylamide gel electrophoresis and polymerase chain reaction–restriction fragment length polymorphism were confirmed by cloning and sequencing. Genetic parameters were obtained from 518 records from 48 sires and 131 dams. The A, B and F alleles were observed in the population and the protein percentage in milk was significantly (P  BB > BF > AF > FF. The goats with AB genotype had a significantly (P 
ISSN:1364-727X
1471-0307
DOI:10.1111/1471-0307.12651