Economic crossbreeding method for increasing benefit of pure breeding pig farm

A hybrid method and an economical technology, applied in the field of animal genetics and breeding, can solve problems such as high pressure, and achieve the effects of less economic pressure, improved economic benefits and obvious effects

Inactive Publication Date: 2012-10-24
JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
View PDF2 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For large-scale breeding farms, it is possible to separate pure breeding farms and hybrid commodity farms; for small and medium-scale breeding pig farms, it is

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0035] Taking purebred and economic hybridization of Meishan pig as an example:

[0036] The production performance of purebred Meishan pigs: the litter size is 15.61, the daily gain is 439 grams, the ratio of feed to weight gain is 4:1, the lean meat rate is 42.8%, and the intramuscular fat is 4%.

[0037] The production performance of binary economic hybridization between Meishan pigs and Landrace pigs: the litter size is 14.25, the daily gain is 634.74 grams, the ratio of feed to weight gain is 3.21:1, the lean meat rate is 54.49%, and the intramuscular fat is 3% .

[0038] Compared with Meishan pigs, the dual economic hybrid commercial pigs of Meishan pigs: the daily weight gain increased from 439 grams to 634.74 grams, an increase of 44.59%; the weight gain ratio of feed consumption decreased from 4:1 to 3.21:1, a decrease of 19.75%; lean meat The rate increased from 42.8% to 54.49%, an increase of 27.31%. In addition, commercial pigs also retained the characteristics ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to an economic crossbreeding method for increasing the benefit of a pure breeding pig farm, belonging to the field of animal genetic breeding. The economic crossbreeding method comprises the following steps of: 1) pure breeding: dividing a purely bred pig herd into two parts, i.e. a nucleus herd and a production herd, determining a scale of the nucleus herd according to a variety breeding target or a breed conservation plan, and taking pigs which do not function as the nucleus herd as the production herd; and 2) economic crossbreeding method: focusing on crossbreeding as for sows of the production herd, and alternately carrying out pure breeding and crossbreeding on sows of the nucleus herd. The crossbreeding advantages cannot be utilized in pure breeding of the pigs, and the economic benefit of the purely bred pigs is often lower, in particular to Chinese native pigs and pigs in bred variety. If economic crossbreeding is properly carried out in the pure breeding pig farm under the condition of ensuring to finish a pure breeding task, the economic benefit of the pig farm can be greatly increased.

Description

[0001] 1. Technical field [0002] The invention relates to an economical hybridization method for improving the benefit of a purebred pig farm, which is a method combining purebred pig breeding and hybrid utilization, and belongs to the field of animal genetics and breeding. 2. Background technology [0003] The method of mating and breeding male and female pigs of the same breed is called purebred breeding. The method of mating male and female pigs between different breeds or strains is called crossbreeding; in order to maximize the use of the genetic potential of pig breeds and improve economic benefits, hybridization is called economic hybridization. Commercial pigs produced by economical hybridization are mostly viable. Strong, fast growing and high feed remuneration. [0004] Through purebred breeding to expand the purebred pig herd, and then through selection and matching, directional breeding, so as to further improve and develop the excellent characteristics of pu...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): A01K67/02
Inventor 任守文方晓敏王学敏葛云山李碧侠
Owner JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap