Short Communications

Comparison of Growth Performance and Gastrointestinal Tract Development between Meishan Piglets and Yorkshire Piglets

  • YANG Lina ,
  • ZHU Zhigang ,
  • BIAN Gaorui ,
  • SHI Xiaofeng ,
  • SU Yong ,
  • ZHU Weiyun
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  • 1. Laboratory of Gastrointestinal Microbiology, Nanjing Agricultural University, Nanjing 210095, China;
    2. Jiangsu Province Taicang Breeding Pig Farm, Taicang 215400, China

Received date: 2014-01-09

  Online published: 2014-05-30

Abstract

To investigate the differences in growth performance and gastrointestinal tract development between Meishan piglets and Yorkshire piglets, this study detected the growth performance, digestive enzyme activities, serum biochemical indexes and intestinal mucosal morphology of those two breeds. Four litters' Meishan piglets and four litters' Yorkshire piglets were selected for this experiment. One piglet per litter was slaughtered at 28 and 49 days of age, respectively. The results showed as follows: 1) there were differences in average daily gain between those two breeds at 1 to 28 days of age (before weaning) and 29 to 49 days of age (after weaning), and Yorkshire piglets were significantly higher than Meishan piglets at 1 to 28 days of age (P<0.05); the indexes of spleen, stomach and large intestine of Meishan piglets were significantly higher than those of Yorkshire piglets at 28 days of age (P<0.05), while at 49 days of age, the small intestine index of Meishan piglets was significantly higher than that of Yorkshire piglets (P<0.05). 2) The jejunal lipase activity of Meishan piglets at 28 days of age and pancreatic lipase activity of Meishan piglets at 49 days of age were significantly higher than those of Yorkshire piglets (P<0.05). 3) The Yorkshire piglets had higher serum high density lipoproteins content compared with Meishan piglets at 28 and 49 days of age (P<0.05). At 28 days of age, the serum urea content of Meishan piglets was significantly higher than that of Yorkshire piglets (P<0.05). It is concluded that the gastrointestinal tract development levels of Meishan piglets are greater than those of Yorkshire piglets. The digestive enzyme activities of Meishan piglets are much higher than those of Yorkshire piglets, suggesting that Meishan piglets have higher ability to absorb the nutrients.

Cite this article

YANG Lina , ZHU Zhigang , BIAN Gaorui , SHI Xiaofeng , SU Yong , ZHU Weiyun . Comparison of Growth Performance and Gastrointestinal Tract Development between Meishan Piglets and Yorkshire Piglets[J]. Chinese Journal of Animal Nutrition, 2014 , 26(6) : 1644 -1651 . DOI: 10.3969/j.issn.1006-267x.2014.06.028

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