The combination of β-carotene and vitamins improve the pregnancy rate at first fixed-time artificial insemination in grazing beef cows
Vinícius Nunes de Gouvêa Marcos Henrrique Alcantra Colli; Walter Antonio Gonçales Junior; Jéssica Cristina Lemos Motta; Tiago Sabella Acedo; Guilherme de Souza Floriano Machado de Vasconcellos; Luis Fernando Monteiro Tamassia; Flávia Morag Elliff; Rodolfo Daniel Mingoti; Pietro Sampaio Baruselli
Livestock Science Amsterdam v. 217, p. 30-36, 2018