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Relationship between serum β-lactoglobulin content during gestation and reproductive efficiency in primiparous sows

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Author(s): Alberto Sabbioni | Mario Baratta | Matteo Lavarini | Valentino Beretti | Claudia Sussi | Andrea Summer | Paola Superchi | Alessio Zanon

Journal: Italian Journal of Animal Science
ISSN 1594-4077

Volume: 3;
Issue: 3;
Start page: 219;
Date: 2010;
Original page

Keywords: Sow | β-lactoglobulin | Reproductive efficiency | Litter

ABSTRACT
The relationship between β-lactoglobulin (β-LG) serum concentration in sows during the last 8 weeks of gestation and subsequentpiglet performance was investigated in 10 Dunel gilts. Two classes of gilts were identified with low (150 ng/ml) average serum β-LG content. For both low and high content groups, equations were calculated todescribe trends in serum β-LG content, respectively y1=10.07e0.0237x (R2=0.3122) and y2=69.00e0.0201x (R2=0.6959), wherex is the number of days of gestation. Differences in serum β-LG content between the two groups were highly significantat all weeks (P

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