Behavior of Holstein milking cows exposed to different environmental conditioning systems - Vilela, Reíssa Alves; Titto, Cristiane Gonçalves; Titto, Evaldo Antônio Lencioni; Pereira, Alfredo Manuel Franco; Geraldo, Ana Carina Alves Pereira de Mira; Leme, Thays Mayra da Cunha (World Buiatrics Congress, 2012)