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GB/T 7223-2008: Rongchang Pig
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Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 7223-2008	English	149	Add to Cart	2 days [Need to translate]	Rongchang Pig
GB/T 7223-1987	English	439	Add to Cart	4 days [Need to translate]	Rong Chang swine

GB/T 7223-2008: Rongchang Pig

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Rongchang Pig ICS 65.020.30 B43 National Standards of People's Republic of China Replacing GB/T 7223-1987 Rongchang Posted 2008-06-17 2008-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 7223-1987 "Rongchang Pig." This standard compared with GB/T 7223-1987, the main changes are as follows. --- Increased coat type division table; --- A description of the growth and development of a weight increase of 60 days and 120 days a weight; --- Description of the reproductive performance of sows increased onset of puberty and the adaptation period; --- Description of reproductive performance clear litter litter size; --- Description of reproductive performance reduced by 60 days weaning litter weight; --- Description of fattening clear nutritional levels; --- Description of carcass quality increased by 6 and 7 intercostal rib fat thickness; --- A description of the carcass quality to reduce the leg hip ratio; --- Rating increases the prerequisites; --- Reserve pig grading standards only weight; --- Rating pigs back stage an additional 120 days, a reduction of 8 months of age; --- Rating sow litter size alive only a few; --- Rating pigs clear nutritional levels; --- Reduce the fattening performance rating. The standard proposed by the People's Republic of China Ministry of Agriculture. This standard by the National Standardization Technical Committee on Animal Husbandry (SAC/TC274) centralized. This standard was drafted. Chongqing Academy of Animal Sciences. The main drafters of this standard. Guozong Yi, Wang Jinyong, Zhu Dan, Weiwen Dong. This standard replaces the standards previously issued as follows. --- GB/T 7223-1987. Rongchang

1 Scope

This standard specifies the breed characteristics Rongchang pigs, pigs rating. This standard applies to the identification and grading pig Rongchang pig breeds.

2 Variety Characteristics

2.1 Origin and main characteristics Rongchang Rongchang originated in Chongqing, Sichuan Province Longchang County, the sexually mature early, good meat, good quality bristle, resistance to crude feed, etc. 2.2 physical characteristics Rongchang fur white, the majority of the head and around the two sizes of black patches, spots according to the size of the "gold frame eye", "black Eye "," big black eyes "," little black "," Big Black "and other types of coat color of the points, as shown in Table 1; or in the root of the tail, the body is dark spots; there are very few full White body. Head size is moderate, slightly concave face, ears moderately large, sagging, forehead wrinkles rampant with Trichinella. The body is long, well-balanced development, back and waist slightly concave, Large and deep belly, hips slightly tilted. Delicate limbs, strong, white mane just tough, six pairs of nipples to 7 pairs. Table 1 Rongchang coat type Coat Category Description Monocular week unilateral cover black (monocular black), and the remaining white Golden Eye is only frame black week, and the rest white Black eye narrower than the range of the middle ear eye weeks to black, and the rest white Big black eye is wider than or equal to the eye and not the middle ear to the ears weeks scope black, the rest white Small black black eye extended to the ears, and the rest white Big black eye black ear extended to the remaining white Fly eye black, the footer independent spots, the rest white Head and tail black eye, black base of the tail, and the rest white Beak eye, nose black, the rest white Yang eye (all white) white body 2.3 Growth Under normal feeding and management conditions, 60 piglets a weight of not less than 10.5kg, 120-day-old reserve sows weighing not less than 30kg, Adult boar weighing not less than 110kg, sows weighing not less than 105kg. 2.4 Reproductive Performance Sow puberty at around 3 months of age, the adaptation of 4 months to 5 months of age. The average total number born first child sows less than 8, the number of born alive Average less than 6; sow 3 to 7 tires tires litter total average litter size of not less than 9, the average number of litter size alive at least eight. 2.5 Finishing Performance Growing and finishing pigs 20kg ~ 90kg, Early (20kg ~ 60kg) containing dietary digestible energy 11.7MJ/kg ~ 12.9MJ/kg, crude protein Quality 14.0% to 15.0%, can 11.9MJ/kg, crude protein 11.8% to 13.5% for the late (60kg ~ 90kg) diets containing digestion Under full daily gain less than 370g. 2.6 Carcass Quality 80kg ~ 90kg weight at the time of slaughter, slaughter rate of not less than 70%, the sixth and seventh intercostal rib fat thickness not more than 49mm, carcass lean ...