GB/T 2417-2008Jinhua pig (English PDF)

2.1 Origin and main characteristics

Jinhua Jinhua two black pigs also known, originated in Jinhua in Zhejiang Jinhua County filial, Li Pu, Caozhai, Dongyang County in the water, Lake Creek, Yiwu County

Yi Ting, the Creek and the East River and other places. Jinhua pig having early sexual maturation, high fecundity, fine bone thin, tender meat and delicious characteristics are preserved Jinhua

High-quality raw ham.

2.2 conformation

Head and neck and rump tail is black and the rest are white, black white hair in black and white at the intersection of "Halo" band. Medium size, middle ear

Big, big belly slightly drooping. Well-developed breasts, nipple number 14 to 18.

2.3 Growth

The average adult boar weighing not less than 93kg, sows average weight of not less than 83kg.

2.4 Reproductive Performance

Sow about 105 days of sexual maturity, beginning with a time of about 180 days. Sows born alive an average of not less than 13.

2.5 Finishing Performance

Finishing pigs from 15kg ~ 70kg, daily gain 350g ~ 450g, average feed conversion rate no higher than 3.7%.

2.6 Carcass Quality

The average weight of 70kg pig slaughter, slaughter the average rate of not less than 71%, an average of not less than 46% lean, legs hip ratio of not less than average

31% of the average eye muscle area of not less than 21cm2, three o'clock is not higher than the average fat thickness 37mm.

Flesh score 3.0, pH16.5, marbling score 3.0, 4.0% intramuscular fat.

3.1 pigs Prerequisites

Pig is a prerequisite for various stages of growth pigs must have common requirements. Prerequisites lack of one, is a disqualification, not included

Evaluation grade range. Swine prerequisites are as follows.

a) conformation that breed characteristics;

b) reproductive organs developed normally, the number more than seven pairs of nipples effective;

c) no genetic diseases, good health;

d) clear pedigree.

3.2 Evaluation criteria pigs

3.2.1 breeding pigs assessment standards

Breeding pigs to be assessed according to 40-day weaning weight and number two compatriots, each score 70 points and 30 points. Weight 4kg, weaning

Compatriots 8 of the eligibility criteria. Grading Appendix A.

6-month-old pig reserve according to body weight, backfat thickness and three legs hip were assessed each score 60 points, 20 points, 20 points. Boar Weight

36kg, backfat thickness 21mm, legs, hips 54cm, sow weight 38kg, backfat thickness 25mm, legs hip 56cm to eligibility criteria. score

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