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

Abstract 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...

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Bibliographic Details
Main Authors: Yuzo Koketsu, Ryosuke Iida, Carlos Piñeiro
Format: Article
Language:English
Published: BMC 2020-02-01
Series:Porcine Health Management
Subjects:
Online Access:https://doi.org/10.1186/s40813-019-0142-9