TY - JOUR AU - Kirkwood, RN AU - Turner, KC AU - Rutley, DL TI - Effect of split weaning on sow ovulatory responses to injection of gonadotrophins during lactation T2 - Journal of Swine Health and Production JF - Journal of Swine Health and Production J2 - JSHAP SN - 1537-209X DP - American Association of Swine Veterinarians PB - American Association of Swine Veterinarians DA - 2013/Jan// PY - 2013 VL - 21 M1 - 1 IS - 1 M2 - 42 SP - 42-44 L2 - https://www.aasv.org/shap/issues/v21n1/v21n1p42.html UR - https://www.aasv.org/shap/abstracts/abstract.php?v21n1p42 L1 - https://www.aasv.org/shap/issues/v21n1/v21n1p42.pdf KW - swine KW - PG600 KW - split wean KW - ovulation N2 - At day 18 of lactation, 21 of 42 sows had their litters reduced to five or six piglets and all sows received gonadotrophins. Remaining piglets were weaned at day 26. More split-weaned than control sows had elevated serum progesterone 2 days post weaning (47.6% versus 9.5%; P < .05). ER -