TY - CPAPER AU - Wikke Kuller TI - High aerial ammonia as cause for increased rate of return to oestrus in sows; a case report T2 - International Pig Veterinary Society Congress DP - American Association of Swine Veterinarians DB - AASV Swine Information Library UR - https://www.aasv.org/library/swineinfo/ PY - 2018 DA - 2018/06/11 L1 - https://www.aasv.org/library/swineinfo/Content/IPVS/2018/Oral (0095-0259)/0154-Kuller_W.pdf SE - Swine Production & Welfare (oral) ER -