Oestrus and LH reponses to oestradiol during lactational anoestrus in Chinese Meishan and Large White sows F. Elsaesser, F. Martinat-Botté, N. Parvizi and M. TerquiReprod. Nutr. Dev., 32 3 (1992) 307-312DOI: https://doi.org/10.1051/rnd:19920310