Transient effects of weaning on the health of newly weaning piglets

文献类型: 外文期刊

第一作者: Tao, X.

作者: Tao, X.;Xu, Z.;Men, X.

作者机构:

关键词: hematological traits;serum biochemical indexes;enzyme;immune

期刊名称:CZECH JOURNAL OF ANIMAL SCIENCE ( 影响因子:1.267; 五年影响因子:1.428 )

ISSN:

年卷期:

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收录情况: SCI

摘要: The transient effects of weaning on the health of newly weaning piglets were investigated. In this study, 24 piglets were randomly assigned to weaning and suckling (control) groups. Weaning piglets were sacrificed on days 1, 4, and 7 post-weaning; suckling piglets were slaughtered at the corresponding time points. Blood samples and internal organs were collected for the determination of hematological traits, relative organ weights, and serum biochemical, antioxidant, enzyme, and immune indexes. The results revealed that piglets' growth performance significantly decreased on days 4 and 7 post-weaning. White blood cell and lymphocyte counts changed on days 1 and 4 post-weaning. On day 4, serum glucose levels decreased and urea nitrogen levels increased. Thymus gland weight significantly decreased on day 7, while adrenal gland weight significantly increased on days 4 and 7. Malondialdehyde level increased on day 4 post-weaning and superoxide dismutase, catalase, and alkaline phosphatase activities decreased on days 4 and 7 post-weaning. Serum IgA concentrations decreased from day 1 to day 4 post-weaning. The results showed that the adverse effects of weaning on the serum biochemical indexes gradually weakened on day 4 post-weaning. However, during the first week postweaning, there were damaging effects on the endocrine, antioxidant, intestinal, and immune systems of piglets.

分类号: Q95

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