TY - CPAPER AU - Cassar G, Kirkwood RN, Poljak Z, et al TI - Effect of single or double insemination on fertility of sows bred at an induced estrus and ovulation T2 - Journal of Swine Health and Production DP - American Association of Swine Veterinarians DB - AASV Swine Information Library UR - https://www.aasv.org/library/swineinfo/ PY - 2005 DA - 2005/09/01 L1 - https://www.aasv.org/library/swineinfo/Content/SHAP/2005/v13n5p254.pdf SE - Sept-Oct ER -