Impact of Porcine Epidemic Diarrhea on Herd and Individual Berkshire Sow Productivity

Overview

Journal Anim Reprod Sci

Specialties Biology
Reproductive Medicine
Veterinary Medicine

Date 2017 Jul 8

PMID 28683954

Citations 1

Authors

Aina Furutani

Tadahiro Kawabata

Masuo Sueyoshi

Yosuke Sasaki

Affiliations

Soon will be listed here.

Abstract

Porcine epidemic diarrhea (PED) is an emerging disease of pigs in several countries. In the present study, individual sow productivity of Berkshire sows exposed to PED virus at different stages of production was compared. On a commercial farrow-to-finish farm in Kagoshima Prefecture, Japan, the clinical presence of PED was observed in the farrowing barn on January 6, 2014, and all gilts and sows were immunized on January 9, except those in the farrowing barn. The sows were categorized into six groups based on the period in which they were exposed to PED virus: between days 0-30 (G1), 31-60 (G2), 61-90 (G3), or after 91 days of pregnancy (G4), during lactation (L), and after weaning (W). The control group was not exposed to PED during the period of PED outbreak. The study was based on 574 production records. The sows of the G4 and L groups had the fewest piglets weaned (4.8±0.4, and 4.0±0.3 pigs, respectively; P<0.05) and the greatest pre-weaning mortality (33.1±4.8%, and 39.7±4.1%, respectively; P<0.05). The number of piglets weaned and pre-weaning mortality, however, did not differ among the G1, G2, G3, and uninfected groups. The G4 and W groups had slightly lesser farrowing rates than the uninfected group (P<0.05), however, similar subsequent piglet litter performance as the uninfected group. In conclusion, the effect of PED on individual sow productivity differed with the production stage in which sows were exposed to PED virus.

Citing Articles

Transcriptomics yields valuable information regarding the response mechanisms of Chinese Min pigs infected with PEDV.

Li H, Zhou C, Zhang M, Yuan N, Huang X, Xiang J Front Vet Sci. 2024; 10:1295723.

PMID: 38192721 PMC: 10773921. DOI: 10.3389/fvets.2023.1295723.

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