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   Articles with "primiparous sows" as a keyword



Consequences of negative energy balance on follicular development and oocyte quality in primiparous sows†

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recommendations! Published in 2019 at "Biology of Reproduction"

DOI: 10.1093/biolre/ioz175

Abstract: Abstract Metabolic demands of modern hybrid sows have increased over the years, which increases the chance that sows enter a substantial negative energy balance (NEB) during lactation. This NEB can influence the development of follicles… read more here.

Keywords: negative energy; energy balance; restricted sows; primiparous sows ... See more keywords

The standardized ileal digestible lysine-to-net energy ratio in the diets of lactating primiparous sows to optimize maternal nitrogen retention is dynamic but does not impact piglet performance

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recommendations! Published in 2025 at "Journal of Animal Science"

DOI: 10.1093/jas/skaf168

Abstract: Abstract Fifty-five primiparous sows were recruited to evaluate the effect of increasing standardized ileal digestible (SID) Lys-to-net energy (NE) ratios on primiparous sow maternal nitrogen retention, milk nitrogen output, and piglet growth performance during each… read more here.

Keywords: week; nitrogen; retention; primiparous sows ... See more keywords

Effects of loose farrowing facilities on reproductive performance in primiparous sows

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recommendations! Published in 2020 at "Journal of Animal Science and Technology"

DOI: 10.5187/jast.2020.62.2.218

Abstract: Abstract The present study investigated the effects of loose farrowing type during gestation and after farrowing on reproductive performance and of lactating sows. A total of 22 primiparous sows (Landrace; average initial body weights [BW],… read more here.

Keywords: reproductive performance; loose farrowing; effects loose; housing ... See more keywords