Genome of low porcine backfat thickness and molecular marking method and breeding application

A molecular marker, pig backfat thick technology, applied in the field of molecular genetics and breeding, can solve the problems of increasing breeding costs, slow genetic progress, and lengthening the generation interval.

Active Publication Date: 2020-10-13
济宁安鑫养殖有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since indicators such as backfat thickness can only be measured after the animal grows up, on the one hand, it

Method used

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  • Genome of low porcine backfat thickness and molecular marking method and breeding application
  • Genome of low porcine backfat thickness and molecular marking method and breeding application
  • Genome of low porcine backfat thickness and molecular marking method and breeding application

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Embodiment Construction

[0027] The specific details in the description of the present invention are only for fully understanding the embodiments of the present invention, but those skilled in the art should know that the implementation of the present invention is not limited to these details. In addition, well-known structures and functions are not described or shown in detail to avoid obscuring the gist of the embodiments of the present invention. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

[0028] A specific embodiment of the present invention: pig low backfat genome, characterized in that the nucleotide sequence of the genome is the sequence shown in Seq ID No: 4, which is related to the low backfat trait of pigs.

[0029] The gene sequence Seq ID No: 4 is the nucleotide sequence of the haplotype H4 existing in the D-Loop region of the pig mitochondrial genome.

[0030] In the genome, the sequence sho...

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Abstract

The invention discloses a genome relates to a character of porcine backfat thickness and a molecular marking method and a breeding application. The genome is characterized in that a gene sequence SeqID No: 4 is a nucleotide sequence molecule of haplotype H4 present in a D-Loop region of a porcine mitochondrial genome, and pigs with the haplotype H4 are marked and determined by the molecular marking method. The beneficial effect of genome is as follows, 6-month-old sows with the haplotype H4 in the D-Loop region of the porcine mitochondrial gene have significantly lower backfat thickness thanthose with other haplotypes, indicating that the haplotype H4 is relevant to the character of low porcine backfat thickness. The haplotype H4 in the D-Loop region of the porcine mitochondrial genome is detected as a molecular breeding marker associated with low porcine backfat thickness, so that the method is simple and rapid, insusceptible to environment, and capable of achieving early breeding.

Description

Technical field: [0001] The invention belongs to the technical field of molecular genetics and breeding, and more specifically relates to a mitochondrial genome and a polymorphic site molecular marker method related to pig backfat thickness traits and its breeding application. Background technique: [0002] my country is a large pig-raising country, and the market demand for pork production and quality is increasing day by day. Increasing pork production and improving pork carcass quality have become the work that breeding scientists have been exploring for a long time. Early breeding efforts were mainly focused on phenotypic selection in pigs. With the continuous advancement of genomic work and the extensive development of genetic markers, molecular selection is gradually becoming a reliable and effective selection method. [0003] Backfat thickness is an important economic trait of pigs, which is affected by both genetic and environmental factors. Among them, fat depositi...

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Application Information

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IPC IPC(8): C12Q1/6888C12N15/12
CPCC12Q1/6888C07K14/47C12Q2600/124C12Q2600/172
Inventor 赵兴波刘浩张鑫张兴胡亚宁杨柳张春杰郭延顺
Owner 济宁安鑫养殖有限公司
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