Quantitative trait loci affecting lactose and total solids on chromosome 6 in Brazilian Gir dairy cattle

被引：2

作者：

Silva, A. A. ^{[2
]}

Azevedo, A. L. S. ^{[1
]}

Gasparini, K. ^{[1
]}

Verneque, R. S. ^{[1
]}

Peixoto, M. G. C. D. ^{[1
]}

Panetto, B. R. ^{[3
]}

Guimaraes, S. E. F. ^{[2
]}

Machado, M. A. ^{[1
]}

机构：

[1] Embrapa Gado Leite, Juiz De Fora, MG, Brazil

[2] Univ Fed Vicosa, Dept Zootecnia, Vicosa, MG, Brazil

[3] Univ Uberaba, Uberaba, MG, Brazil

来源：

GENETICS AND MOLECULAR RESEARCH | 2011年 / 10卷 / 04期

关键词：

Bos indicus; Dairy cattle; Daughter design; Cattle genome; AFFECTING MILK-PRODUCTION; GENETIC-LINKAGE MAP; GENOME SCAN; BOVINE CHROMOSOME-6; HOLSTEIN POPULATION; DAUGHTER; HEALTH;

D O I：

10.4238/2011.October.31.15

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Fourteen Brazilian Gir sire families with 657 daughters were analyzed for quantitative trait loci (QTL) on chromosome 6 affecting lactose and total solids. Cows and sires were genotyped with 27 microsatellites with a mean spacing between markers of 4.9 cM. We used a 1% chromosome-wide threshold for QTL qualification. A QTL for lactose yield was found close to marker MNB66 in three families. A QTL for total solid yield was identified close to marker BMS2508 in three families. A QTL for lactose percentage, close to marker DIK1182, was identified in two families. A QTL for total solid percentage, close to marker MNB208, was identified in four families. These QTLs could be used for selection of animals in dairy production systems.

引用

页码：3817 / 3827

页数：11

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