Lactational oestrus can be induced using piglet separation and/or boar exposure in multiparous commercial breeding sows

E.J. McDonald; J.I. Wilkinson; C.L. Collins; Jan Lievaart; J.A. Downing

Lactational oestrus can be induced using piglet separation and/or boar exposure in multiparous commercial breeding sows

E.J. McDonald
, J.I. Wilkinson
, C.L. Collins
, Jan Lievaart
, J.A. Downing

The University of Sydney
Rivalea Australia Pty Ltd, Corowa

Research output: Book chapter/Published conference paper › Conference paper › peer-review

Abstract

A commercially acceptable lactational oestrus induction protocol could be used to modify current weaning and mating management systems within the pork industry. Piglet separation and limited boar exposure during lactation has successfully resulted in an 85% pregnancy rate and acceptable subsequent litter sizes (Downing et al., 2009). A suitable induction protocol has the potential to delay weaning, increase weight gain of piglets after weaning (Thompson et al., 1981) and help in the management of 'weaner setback'. Our hypothesis is that from 21 days of lactation, either full boar contact or piglet separation for 8h/d for 3 days will be sufficient to induce oestrus.

Original language	English
Title of host publication	Manipulating Pig Production XIV
Editors	John Pluske, Jo Pluske
Place of Publication	Melbourne
Publisher	The Australasian Pig Science Association
Pages	171-171
Number of pages	1
Publication status	Published - 2013
Event	Australasian Pig Science Association (APSA) Biennial Conference - Melbourne, Australia Duration: 24 Nov 2013 → 27 Nov 2013

Conference

Conference	Australasian Pig Science Association (APSA) Biennial Conference
Country/Territory	Australia
Period	24/11/13 → 27/11/13

Cite this

@inproceedings{d18823b5eef04185a9344f1dd8b62717,

title = "Lactational oestrus can be induced using piglet separation and/or boar exposure in multiparous commercial breeding sows",

abstract = "A commercially acceptable lactational oestrus induction protocol could be used to modify current weaning and mating management systems within the pork industry. Piglet separation and limited boar exposure during lactation has successfully resulted in an 85\% pregnancy rate and acceptable subsequent litter sizes (Downing et al., 2009). A suitable induction protocol has the potential to delay weaning, increase weight gain of piglets after weaning (Thompson et al., 1981) and help in the management of 'weaner setback'. Our hypothesis is that from 21 days of lactation, either full boar contact or piglet separation for 8h/d for 3 days will be sufficient to induce oestrus.",

keywords = "Boar exposure, Lactational oestrus, Piglet separation, Sows",

author = "E.J. McDonald and J.I. Wilkinson and C.L. Collins and Jan Lievaart and J.A. Downing",

year = "2013",

language = "English",

pages = "171--171",

editor = "John Pluske and Jo Pluske",

booktitle = "Manipulating Pig Production XIV",

publisher = "The Australasian Pig Science Association",

note = "Australasian Pig Science Association (APSA) Biennial Conference ; Conference date: 24-11-2013 Through 27-11-2013",

}

McDonald, EJ, Wilkinson, JI, Collins, CL, Lievaart, J & Downing, JA 2013, Lactational oestrus can be induced using piglet separation and/or boar exposure in multiparous commercial breeding sows. in J Pluske & J Pluske (eds), Manipulating Pig Production XIV. The Australasian Pig Science Association, Melbourne, pp. 171-171, Australasian Pig Science Association (APSA) Biennial Conference, Australia, 24/11/13.

Lactational oestrus can be induced using piglet separation and/or boar exposure in multiparous commercial breeding sows. / McDonald, E.J.; Wilkinson, J.I.; Collins, C.L. et al.
Manipulating Pig Production XIV. ed. / John Pluske; Jo Pluske. Melbourne: The Australasian Pig Science Association, 2013. p. 171-171.

Research output: Book chapter/Published conference paper › Conference paper › peer-review

TY - GEN

T1 - Lactational oestrus can be induced using piglet separation and/or boar exposure in multiparous commercial breeding sows

AU - McDonald, E.J.

AU - Wilkinson, J.I.

AU - Collins, C.L.

AU - Lievaart, Jan

AU - Downing, J.A.

PY - 2013

Y1 - 2013

N2 - A commercially acceptable lactational oestrus induction protocol could be used to modify current weaning and mating management systems within the pork industry. Piglet separation and limited boar exposure during lactation has successfully resulted in an 85% pregnancy rate and acceptable subsequent litter sizes (Downing et al., 2009). A suitable induction protocol has the potential to delay weaning, increase weight gain of piglets after weaning (Thompson et al., 1981) and help in the management of 'weaner setback'. Our hypothesis is that from 21 days of lactation, either full boar contact or piglet separation for 8h/d for 3 days will be sufficient to induce oestrus.

AB - A commercially acceptable lactational oestrus induction protocol could be used to modify current weaning and mating management systems within the pork industry. Piglet separation and limited boar exposure during lactation has successfully resulted in an 85% pregnancy rate and acceptable subsequent litter sizes (Downing et al., 2009). A suitable induction protocol has the potential to delay weaning, increase weight gain of piglets after weaning (Thompson et al., 1981) and help in the management of 'weaner setback'. Our hypothesis is that from 21 days of lactation, either full boar contact or piglet separation for 8h/d for 3 days will be sufficient to induce oestrus.

KW - Boar exposure

KW - Lactational oestrus

KW - Piglet separation

KW - Sows

M3 - Conference paper

SP - 171

EP - 171

BT - Manipulating Pig Production XIV

A2 - Pluske, John

A2 - Pluske, Jo

PB - The Australasian Pig Science Association

CY - Melbourne

T2 - Australasian Pig Science Association (APSA) Biennial Conference

Y2 - 24 November 2013 through 27 November 2013

ER -

Lactational oestrus can be induced using piglet separation and/or boar exposure in multiparous commercial breeding sows

Abstract

Conference

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