Author: YAMANE, Itsuro; YAMAZAKI, Hisanori; ISHIZEKI, Sayoko; WATANABE, Yugo; OKUMURA, Hanako; OKUBO, Mitsuharu; KURE, Katsumasa; HAYAKAWA, Yuiko; FURUKAWA, Makoto; OOI, Munetaka; MIZUKAMI, Yoshihiro; ITO, Mitsugu
Title: Impact of a porcine epidemic diarrhea outbreak on swine productivity in Japan: a retrospective cohort study Document date: 2016_5_12
ID: k0mdkews_15
Snippet: In the present study, the levels of PBA and LMFY in the PED-positive herds did not decline during the PED epidemic. A previous observational study indicated that only pregnant sows and gilts infected with PED at 0-30 days of pregnancy had smaller litters, whereas those infected at other points during the gestation period were not affected by PED [11] . If litter sizes are only reduced by PEDV infection within a particular gestational stage, the c.....
Document: In the present study, the levels of PBA and LMFY in the PED-positive herds did not decline during the PED epidemic. A previous observational study indicated that only pregnant sows and gilts infected with PED at 0-30 days of pregnancy had smaller litters, whereas those infected at other points during the gestation period were not affected by PED [11] . If litter sizes are only reduced by PEDV infection within a particular gestational stage, the calculation of herd-level PBA, as used in the present study, may be insufficient to demonstrate the actual effects of PED status on the subsequent litter size.
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