Perdomo, Carlos Claudio, Luís Carlos de Oliveira Fernandes, Antônio Lourenço Guidoni, and Flavio Bello Fialho. “Effect of Natural and Mechanical Ventilation on Performance of Lactation Sows”. Pesquisa Agropecuaria Brasileira 34, no. 4 (April 1, 1999): 691–699. Accessed June 1, 2026. https://apct.sede.embrapa.br/pab/article/view/5218.