Research Article

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Previous studies showed that the lipoprotein lipase (LPL) gene was involved in metabolism and transport of lipids, suggesting that the LPL is a potential candidate gene affecting growth traits in animals. The aim of this study was to identify polymorphism in the bovine LPL gene and analyze its possible association with growth traits in 218 randomly selected Jiaxian cattle. We used DNA ... more

L.S. Gui; Y.M. Huang; J.Y. Hong; L.S. Zan; L.S. Gui; Y.M. Huang; J.Y. Hong; L.S. Zan; L.S. Gui; Y.M. Huang; J.Y. Hong; L.S. Zan
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Covariance function; Parametric functions; Test-day milk yield; Zebu

Random regression models have been widely used to estimate genetic parameters that influence milk production in Bos taurus breeds, and more recently in B. indicus breeds. With the aim of finding appropriate random regression model to analyze milk yield, different parametric functions were compared, applied to 20,524 test-day milk yield records of 2816 first-lactation ... more

D.J.A. Santos; M.G.C.D. Peixoto; R.R.Aspilcueta Borquis; R.S. Verneque; J.C.C. Panetto; H. Tonhati
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Covariance function; Dairy cattle; Genetic parameters; Milk yield persistency

With the objective of evaluating measures of milk yield persistency, 27,000 test-day milk yield records from 3362 first lactations of Brazilian Gyr cows that calved between 1990 and 2007 were analyzed with a random regression model. Random, additive genetic and permanent environmental effects were modeled using Legendre polynomials of order 4 and 5, respectively. Residual variance was ... more

R.J. Pereira; R.S. Verneque; P.S. Lopes; M.L. Santana; M.R. Lagrotta; R.A. Torres; A.E.Vercesi Filho; M.A. Machado
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ACLY gene; Beef cattle; Growth traits; High-resolution melting

ATP citrate lyase (ACLY) is the primary enzyme responsible for the synthesis of cytosolic acetyl-CoA, which is a key precursor of both fatty acid and mevalonate synthesis pathways. Genetic variation of the ACLY gene may influence multiple traits associated with animal production. Here, we identified three non-synonymous mutations in ACLY exons in five beef cattle ... more

M.N. Li; X. Guo; P.J. Bao; X.Y. Wu; X.Z. Ding; M. Chu; C.N. Liang; P. Yan; M.N. Li; X. Guo; P.J. Bao; X.Y. Wu; X.Z. Ding; M. Chu; C.N. Liang; P. Yan
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Association analysis; Genetic diversity; Growth traits; Mandarin fish; Microsatellite

Mandarin fish (Siniperca chuatsi) is a traditionally cultured freshwater fish with high commercial value in China. To facilitate marker-assisted selection for genetic improvement of this species, 100 microsatellite markers identified in previous studies were characterized in the 25 largest and 25 smallest individuals. Twenty polymorphic loci were used to genotype 200 individuals ... more

T.L. Yi; L. Fang; X.F. Liang; L.F. Sun; J. Li; X.N. Luo; W.J. Guo; Y.Q. Dou; J. Sun
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Genetic diversity; Growth traits; Mandarin fish; Microsatellite

The mandarin fish (Siniperca chuatsi) is a traditionally cultured freshwater fish with high commercial value in China. To facilitate marker-assisted selection in genetic improvement of this species, 120 microsatellite markers from the literature were characterized in the 25 largest and 25 smallest individuals. Eighteen polymorphic loci were then used to genotype 200 individuals, ... more

L.F. Sun; J. Li; X.F. Liang; T.L. Yi; L. Fang; J. Sun; Y.H. He; X.N. Luo; Y.Q. Dou; M. Yang
12/29/2015
Association; Chicken; Diplotype; GJA1; Growth traits; Polymorphisms

This study aimed to screen single nucleotide polymorphisms (SNPs) in the chicken gap junction protein alpha 1 (GJA1) gene, and to investigate their association with five growth traits measured in 269 chickens encompassing Chinese indigenous Beijing-You (BJY) and commercial Cobb broiler (CB) populations. Four variants were detected in the chicken GJA1 gene, in which one ... more

M. Shahjahan; R.R. Liu; G.P. Zhao; J.J. Zhang; M.Q. Zheng; Q.H. Li; J. Wen
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Growth traits; GWAS; Jinghai yellow chicken; Linkage disequilibrium

Body weight is one of the most important economic traits in the poultry industry. In the present study, a custom SNP Beadchip was used to analyze the association between those 15 SNPs and 12 growth traits of Jinghai yellow chickens, and other important genetic parameters were also calculated and analyzed. The results indicated that nine of the 15 SNPs were associated with growth traits in ... more

M.A. Abdalhag; T. Zhang; Q.C. Fan; X.Q. Zhang; G.X. Zhang; J.Y. Wang; Y. Wei; Y.J. Wang
10/21/2015
CRTC2; Growth traits; Meat quality traits; Qinchuan cattle; Single nucleotide polymorphism

Growth and meat quality traits play important roles in the evaluation of cattle productivity and are influenced by genetic and environmental factors. CRTC2 is a recently discovered gene related to obesity that may influence fat deposition. The aim of the current study was to detect polymorphisms of bovine CRTC2 and explore their relationships to growth and meat quality ... more

H.C. Xu; L.S. Gui; N. Song; Y.Y. Zhang; H. .C.Wang; L.S. Zan