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Increased age at first-mating interacting with herd size or herd productivity decreases longevity and lifetime reproductive efficiency of sows in breeding herds

BACKGROUND: Our objectives were to characterize sow life and herd-life performance and examine two-way interactions between age at first-mating (AFM) and either herd size or herd productivity groups for the performance of sows. Data contained 146,140 sows in 143 Spanish herds. Sow life days is defin...

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Shranjeno v:
Bibliografske podrobnosti
izdano v:Porcine Health Manag
Main Authors: Koketsu, Yuzo, Iida, Ryosuke, Piñeiro, Carlos
Format: Artigo
Jezik:Inglês
Izdano: BioMed Central 2020
Teme:
Online dostop:https://ncbi.nlm.nih.gov/pmc/articles/PMC7003408/
https://ncbi.nlm.nih.gov/pubmed/32047646
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s40813-019-0142-9
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