Induced estrus and breeding during lactation: Effects on sow and litter performance

Journal of Swine Health and Production

Volumn 6, Issue 3, 1998, Pages 95-98

  Kirkwood, Roy N ^a   Thacker, Philip A ^b  

^a ALBERTA AGRICULTURE AND RURAL DEVELOPMENT   (Canada)

^b UNIVERSITY OF SASKATCHEWAN   (Canada)

Author keywords

Estrus; Lactation; PMSG; Pregnancy; Sow

Indexed keywords

EID: 3142609591     PISSN: 1537209X     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (9)

1. Cosgrove JR, Kirkwood RN, Aherne FX, Clowes EJ, Foxcroft GR, Zak LJ. Management and nutrition of the early weaned sow. In Manipulating Pig Production VI. P Cranwell (ed), 1997; 33-56.
2. Kirkwood RN, Smith WC, Lapwood KR. The effect of partial weaning on lactational oestrus and sow and piglet body weight changes. NZ J Exp Agric. 1983; 11:231-233.
3. Rowlinson P, Boughton HC, Bryant MJ. Mating of sows during lactation: Observations from a commercial unit. Anim Prod. 1975; 21:233-241.
4. Cole HH, Hughes EH. Induction of estrus in lactating sows with equine gonadotrophin. J Anim Scl. 1946; 5:25-29.
5. Guthrie HD, Pursel VG, Frobish I.T. Attempts to induce conception in lactating sows. J Anim Sci. 1978; 47:1145-1151.
6. Hausler CL, Hudson HH Jr, Kuo DC, Kinney TJ, Rauwolf VA, Strack LE. Induced ovulation and conception in lactating sows. J Anim Sci. 1980; 50:773-778.
7. Hodson HH Jr, Hausler CL, Snyder DH, Wilkens MA, Arthur RD. Effect of gonadotropin dose and postpartum status on induced ovulation and pregnancy in lactating sows. J Anim Sci. 1981; 52:688-695.
8. Kirkwood RN, Thacker PA. Failure of an induced ovulation during lactation to improve sow or litter performance. Can J Anim Sci. 1990; 70:135-138.
9. Kirkwood RN, Thacker PA, Chaplin RK. The influence of exogenous gonadotropins and cloprostenol on ovulation in gilts. Can Vet J. 1991; 32:742-746.