搜索结果: 1-15 共查到“农学 Production Traits”相关记录28条 . 查询时间(0.265 秒)
Genetic Parameters of Milk β-Hydroxybutyric Acid and Acetone and Their Genetic Association with Milk Production Traits of Holstein Cattle
Ketosis Milk β-Hydroxybutyrate Milk Acetone Milk Composition Genetic Parameters
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2016/11/10
This study was conducted to estimate the genetic parameters of β-hydroxybutyrate (BHBA) and acetone concentration in milk by Fourier transform infrared spectroscopy along with test-day milk production...
Effects of polymorphism in the bovine PTPRQ gene on the expression of MYF6 and MYF5 genes in skeletal muscle and on meat production traits in beef bulls
receptor-type III PTP with phosphatidylinositol phosphatase activity genotype muscle regulatory factors bovine meat traits
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2016/6/3
The aim of the study was to characterize nucleotide sequence polymorphisms in the bovine PTPRQ gene, to search for their possible effect on the expression of myogenic factor 6 (MYF6; MRF4) and myogeni...
Estimation of Genetic Parameters and Trends for Length of Productive Life and Lifetime Production Traits in a Commercial Landrace and Yorkshire Swine Population in Northern Thailand
Genetic Parameters Length of Productive Life Lifetime Production Traits Swine Tropics
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2016/11/10
The objective of this research was to estimate genetic parameters and trends for length of productive life (LPL), lifetime number of piglets born alive (LBA), lifetime number of piglets weaned (LPW), ...
Novel Polymorphisms of Adrenergic, Alpha-1B-, Receptor and Peroxisome Proliferator-activated Receptor Gamma, Coactivator 1 Beta Genes and Their Association with Egg Production Traits in Local Chinese Dagu Hens
Polymorphisms ADRA1B PPARGC1B Chinese Dagu Hens Egg Production Traits
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2016/11/10
Adrenergic, alpha-1B-, receptor (ADRA1B) and peroxisome proliferator-activated receptor gamma, coactivator 1 beta (PPARGC1B) genes are involved in regulation of hen ovarian development. In this study,...
Analyses of genetic relationships between linear type traits, fat-to-protein ratio, milk production traits, and somatic cell count in first-parity Czech Holstein cows
Holstein cattle genetic parameters milk yield somatic cell score
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2015/7/2
Genetic and phenotypic correlations between production traits, selected linear type traits, and somatic cell score were estimated. The results could be useful for breeding programs involving Czech Hol...
Genetic relationship of functional longevity with female fertility and milk production traits in Czech Holsteins
Holstein cattle genetic parameters milk yield functional traits
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2015/6/24
The objectives of this study were to estimate heritabilities of and genetic correlations among longevity, milk production, and female fertility traits of Holstein cows. Fertility traits were days open...
QTL mapping for production traits in Czech Fleckvieh cattle
chromosomes markers quantitative trait loci milk traits cattle REML
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2015/6/24
The objective of this study was to find QTL for milk production traits in Czech Fleckvieh cattle on chromosomes 6, 7, 11, 14, and 23 where QTL were previously identified in other dairy cattle populati...
Polymorphism identification in goat DGAT1 and STAT5A genes and association with milk production traits
milk yield fat percentage dairy goat SNP PCR-RFLP SSCP additive effect
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2015/6/24
Polymorphisms of DGAT1 and STAT5A genes in Xinong Saanen and Guanzhong goat breeds were investigated. PCR-RFLP, SSCP, and DNA sequencing were used to identify three SNPs: DQ380250:g.407_408insC in the...
Genetic variation at RYR1, IGF2, FUT1, MUC13, and KPL2 mutations affecting production traits in Chinese commercial pig breeds
China commercial pig breed genetic variation economically important markers
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2015/6/24
The identification of causative mutations affecting economically important traits has benefited the worldwide pig industry. We investigated the genetic variation at five loci including RYR1, IGF2, FUT...
Genetic parameters for female fertility and milk production traits in first-parity Czech Holstein cows
dairy cattle reproduction production
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2015/6/23
The aim of this study was to estimate genetic parameters for female fertility and production
traits in first-parity Czech Holstein cows and to quantify the effect of using this information on the ac...
The association of five polymorphisms with milk production traits in Czech Fleckvieh cattle
dairy cattle PPARGC1A
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2015/6/23
As part of this study, 505 Czech Fleckvieh cows were genotyped. The markers in proliferator-activated
receptor gamma coactivator 1-alpha (PPARGC1A), secreted phosphoprotein (SPP1), cytochrome P450 f...
ANXA9, SLC27A3, FABP3 and FABP4 single nucleotide polymorphisms in relation to milk production traits in Jersey cows
gene polymorphism dairy cattle milk traits
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2015/6/8
Milk components originating from blood plasma substrates are synthesized in epithelial cells of the mammary gland. Milk lipids are synthesized from fatty acids which bind to specific proteins – FABPs ...
Associations between the bovine PPARGC1A gene and milk production traits
cattle PPARGC1A gene PCR-RLP milk traits
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2015/6/8
The aim of this study was to investigate associations between PPARGC1A genotypes and haplotypes and milk production traits. The study included 181 Jersey cows. The genotypes were identified by the PCR...
An association of C/T polymorphism in exon 2 of the bovine insulin-like growth factor 2 gene with meat production traits in Polish Holstein-Friesian cattle
IGF2 cattle polymorphism imprinting meat traits
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2015/6/8
The effect of the insulin-like growth factor 2 (IGF2) gene polymorphism – a g.292C>T transition in exon 2 on feed uptake and conversion, growth rates, and meat production traits in Polish Holstein-Fri...
ANXA9, SLC27A3, FABP3 and FABP4 single nucleotide polymorphisms in relation to milk production traits in Jersey cows
gene polymorphism dairy cattle milk traits
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2015/6/8
Milk components originating from blood plasma substrates are synthesized in epithelial cells of the mammary gland. Milk lipids are synthesized from fatty acids which bind to specific proteins – FABPs ...