Protein composition of milk from Holstein–Friesian dairy cows and its relationship with the genetic variants A and B of κ‐casein and β‐lactoglobulin (Part I) | Zendy

MOLINA L H | Zendy; KRAMM J | Zendy; BRITO C | Zendy; CARRILLO B | Zendy; PINTO M | Zendy; FERRANDO A | Zendy

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Protein composition of milk from Holstein–Friesian dairy cows and its relationship with the genetic variants A and B of κ‐casein and β‐lactoglobulin (Part I)

Author(s) -

MOLINA L H,

KRAMM J,

BRITO C,

CARRILLO B,

PINTO M,

FERRANDO A

Publication year - 2006

Publication title -

international journal of dairy technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.061

H-Index - 53

eISSN - 1471-0307

pISSN - 1364-727X

DOI - 10.1111/j.1471-0307.2006.00261.x

Subject(s) - milking , casein , lactation , composition (language) , milk protein , zoology , morning , genetic variants , food science , beta lactoglobulin , chemistry , biology , whey protein , biochemistry , genetics , genotype , botany , gene , pregnancy , linguistics , philosophy

The protein composition and the milk yield (morning milking) were studied in 10 Chilean Holstein–Friesian first lactation dairy cows during the spring season. In addition, the genetic variants A and B of κ‐casein (κ‐CN) and β‐lactoglobulin (β‐Lg) were also identified. The results showed that the casein content is significantly affected by the presence of B variant of κ‐CN. Moreover, positive interactions between the B variant of κ‐CN with AB of β‐Lg and the combination of A κ‐CN with AA of β‐Lg for the total protein content, were found.

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