The combination of β-carotene and vitamins improve the pregnancy rate at first fixed-time artificial insemination in grazing beef cows

Authors: Gouvêa, Vinícius Nunes de, Colli, Marcos Henrrique Alcantra, Junior, Walter Antonio Gonçales, Motta, Jéssica Cristina Lemos, Acedo, Tiago Sabella, Vasconcellos, Guilherme de Souza Floriano Machado de, Tamassia, Luis Fernando Monteiro, Elliff, Flávia Morag, Mingoti, Rodolfo Daniel, Baruselli, Pietro Sampaio

Source: In Livestock Science November 2018 217:30-36