The effect of serum concentration of leptin in sows on their reproduction and performance of reared piglets | Zendy

T. Barowicz | Zendy; M. Pietras | Zendy; W. Migdał | Zendy

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The effect of serum concentration of leptin in sows on their reproduction and performance of reared piglets

Author(s) -

T. Barowicz,

M. Pietras,

W. Migdał

Publication year - 2007

Publication title -

biotechnology in animal husbandry

Language(s) - English

Resource type - Journals

eISSN - 2217-7140

pISSN - 1450-9156

DOI - 10.2298/bah0701437b

Subject(s) - leptin , litter , reproduction , radioimmunoassay , lactation , biology , zoology , pregnancy , endocrinology , medicine , body weight , obesity , ecology , genetics , agronomy

The research was carried out on 17 Polish Landrace sows and their piglets. The aim of this study was to determine a relationship between sows' serum concentration of leptin and reproduction parameters, and performance of reared piglets. Animals were kept under standard conditions and fed standard diets. Blood samples were taken from the jugular vein at 110 days of pregnancy and at 21 days of lactation. Leptin was determined by radioimmunoassay using the RIA method. Blood serum leptin determined at 110 days of pregnancy was positively correlated with litter weight at birth and piglet body weight at birth, the latter being statistically significant (P<0.05). Other Pearson correlations were not statistically significant (P>0.05).

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