Growth characteristics and cross utilization of Tibetan pig in subtropical area

doi:10.3969/j.issn.1004-1524.2020.11.05

›› 2020, Vol. 32 ›› Issue (11): 1963-1969.DOI: 10.3969/j.issn.1004-1524.2020.11.05

• Animal Science • Previous Articles Next Articles

Growth characteristics and cross utilization of Tibetan pig in subtropical area

WANG Sutian^1,2, MENG Fanming^1,2, HU Bin¹, XIN Haiyun¹, LI Baohong¹, DU Zongliang¹, LI Jianhao^1,2,*

1. Institute of Animal Science, Guangdong Academy of Agricultural Sciences/State Key Laboratory of Livestock and Poultry Breeding/Guangdong Key Laboratory of Animal Breeding and Nutrition, Guangzhou 510610, China;
2. Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Maoming 525000, China

Received:2020-06-16 Online:2020-11-25 Published:2020-12-02

Abstract

Abstract: To explore the growth characteristics and cross utilization of Tibetan pig in subtropical area, Tibetan pig, Duroc pig and Guangdong small-ear spotted pig were used to carry out various cross experiments in subtropical area Guangzhou. In addition, the reproductive performance, growth performance, carcass traits and meat quality of Tibetan and hybrid pigs were analysed and compared. Our results showed that, in the subtropical environment, the number of live births of Tibetan pig, Duzang pig and Zangduhua pig had no significant difference between the different experimental groups, but the 35-days-old weaning weight of Duzang pig was higher than that of Tibetan pig. Growth test indicated that average weaning weights of Tibetan pig, Duzang pig and Zangduhua pig were respectively (201.43±25.41), (469.67±41.13) and (425.54±58.37) g. These data suggested the growth rates of Duzang pig and Zangduhua pig were significant higher than purebred Tibetan pig, the hybrid vigour of growth rate was obvious. The carcass weight of Duzang and Zangduhua pig was significantly higher than that of Tibetan pig, and skin percentage of Duzang pig was significantly lower than that of Tibetan pig. The results of meat quality analysis showed that the marbling score and intramuscular fat content were highest in Duzang pig,while the tenderness of meat was best. In conclusion, in the subtropical area, crossing Tibetan pig with Duroc pig and Guangdong small-ear spotted pig can significantly improve the growth rate and meat quality that can help to improve the breeding efficiency and shorten the raising period. Meanwhile, this study also provided basic data support for the cross utilization of Tibetan pigs.

Key words: Tibetan pig, subtropical area, crossbreeding utilization, analysis of carcass and meat, growth, reproduction performance measurement

CLC Number:

S828

WANG Sutian, MENG Fanming, HU Bin, XIN Haiyun, LI Baohong, DU Zongliang, LI Jianhao. Growth characteristics and cross utilization of Tibetan pig in subtropical area[J]. , 2020, 32(11): 1963-1969.

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Growth characteristics and cross utilization of Tibetan pig in subtropical area

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