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Title: Seasonal fertility in terms of number of pigs born alive is affected by sow parity
Contributor(s): Goode, E H (author); Plush, K J (author); Hermesch, Susanne  (author)orcid 
Publication Date: 2021-11
Open Access: Yes
DOI: 10.1016/j.anscip.2021.09.099Open Access Link
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Introduction: Seasonal fertility is characterised by variation in reproductive performance of sows across seasons e.g. (King, 2017), farrowing rate is a key trait affected by seasonal changes with implications for the maintenance of production value; however, impacts of season on litter size are less clear. Sow thermal response to heat stress has been observed to differ between first parity and multiparous sows, with increased metabolic rate in primiparous sows as a consequence of growth and first lactation pressures (Gourdine et al., 2017). Consequently, first parity sows display a reduced farrowing rate from summer matings (Bunz et al., 2019). It is therefore hypothesised that litter size will be affected by season, and the magnitude of this change will be larger for younger sows.

Publication Type: Conference Publication
Conference Details: APSA 2021: 18th Biennial Conference of the Australasian Pig Science Association, Brisbane, Australia, 15th - 18th November, 2021
Source of Publication: Animal - Science Proceedings, 12(2), p. 176-176
Publisher: Elsevier BV
Place of Publication: Netherlands
ISSN: 2772-283X
Fields of Research (FoR) 2020: 300301 Animal growth and development
Socio-Economic Objective (SEO) 2020: 100401 Beef cattle
HERDC Category Description: E3 Extract of Scholarly Conference Publication
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Description: Paper presented by E H Goode
Appears in Collections:Animal Genetics and Breeding Unit (AGBU)
Conference Publication
School of Environmental and Rural Science

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