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Associations between litter size and medical treatment of sows during farrowing and lactation

Andersson, Emma and Frossling, J. and Westin, Rebecka and Algers, Bo and Gunnarsson, Stefan (2020). Associations between litter size and medical treatment of sows during farrowing and lactation. Acta Agriculturae Scandinavica, Section A - Animal Science. 69 , 176-182
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Abstract

Sow litter sizes have increased recently, and there is a lack of data on the effect of litter size on sow health and sow medical treatment. This study investigated associations between litter size and medical treatment of sows, using data for a 10-year period from one Swedish research farm. The data comprised 1947 litters from 655 Yorkshire sows. Association between litter size and medical treatment of sows during farrowing and lactation investigated using a multivariable multilevel logistic regression model. We found that odds of medical treatment of sows decreased for each additional piglet born up to five piglets (odds ratio 0.50, p = .002). For litter sizes >= 5, the odds for each additional piglet born (odds ratio 1.11, p < .001). Problems with milk let-down in early lactation were the main reason for treatment. Results imply that sows with very small or very large litters may be less profitable.

Authors/Creators:Andersson, Emma and Frossling, J. and Westin, Rebecka and Algers, Bo and Gunnarsson, Stefan
Title:Associations between litter size and medical treatment of sows during farrowing and lactation
Year of publishing :2020
Volume:69
Page range:176-182
Number of Pages:7
Publisher:Taylor & Francis
ISSN:0906-4702
Language:English
Publication Type:Journal article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution-Noncommercial-No Derivative Works 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 402 Animal and Dairy Science > Animal and Dairy Science.
Keywords:Health, welfare, pig, piglet, postpartum dysgalactia syndrome
URN:NBN:urn:nbn:se:slu:epsilon-p-106980
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-106980
Additional ID:
Type of IDID
DOI10.1080/09064702.2020.1779800
Web of Science (WoS)000546481400001
ID Code:17536
Faculty:VH - Faculty of Veterinary Medicine and Animal Science
Department:(VH) > Dept. of Animal Environment and Health
Deposited By: SLUpub Connector
Deposited On:05 Oct 2020 06:20
Metadata Last Modified:05 Oct 2020 06:20

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