tailieunhanh - Effect of genetic and non-genetic factors on first lactation production traits in Tharparkar cattle

The present study was conducted on 91 Tharparkar cows maintained at the Livestock Research Station, Beechwal, Bikaner for 11 years . from 2006 to 2016. The data were analysed with the objective of performance appraisal of Tharparkar cattle with respect to production traits and to study the effect of genetic factor . sire group and non genetic factors . period and season of calving on production traits. The overall least-squares means for first lactation milk yield (FLMY), first lactation length (FLL), first lactation dry period (FDP), lactation milk yield per day of first lactation length (LMY/FLL) and lactation milk yield per day of first calving interval (LMY/FCI) were found to be ± kg, ± days, ± days, ± kg/day and ± kg/day. The effect of sire was found to be significant on first lactation production traits. The Period of calving had significant effect on FLL and LMY/FCI, while season of calving had no significant effect on first lactation production traits. The AFC had significant effect on FLMY and FLL. | Effect of genetic and non-genetic factors on first lactation production traits in Tharparkar cattle

• Nông nghiệp
• Production traits
• Genetic factors
• Non genetic factors
• First lactation production traits
• AFC had significant
• Nongenetic factors
• Production performance traits
• Different non genetic factors
• Murrah buffaloes
• HF × Gir cattle
• Genetic parameter
• First lactation traits
• Reproduction traits
• Milk Proteins
• Genetic Polymorphism
• Milk Production
• Lactogenic Hormones
• Quality Traits
• Fat Content
• Cross Goats
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• physiological traits
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• Consensus ROH
• Association analysis
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• RNA sequencing
• Candidate gene
• Milk production traits
• Dairy cattle
• Semen production traits
• Candidate genes
• Gene expression
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• HAL gene
• Single nucleotide polymorphism
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• Gibbrellic acid
• Reproductive traits
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• Functional candidate genes
• Genome wide association analysis
• Functional analysis
• Holstein cattle
• Female fertility
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