Animal Science Department

 

ORCID IDs

0000-0001-9353-4180

0000-0001-9858-1728

0000-0002-6961-7100

0000-0001-6101-5554

0000-0002-5071-4170

0000-0003-0267-3367

0000-0002-1106-8962

Date of this Version

2018

Citation

R. Bras. Zootec., 47:e20180051, 2018

Comments

© 2018 Sociedade Brasileira de Zootecnia

Open access

https://doi.org/10.1590/rbz4720180051

Abstract

This study assessed the risks of different management practices to increase pregnancy rate in beef cow-calf systems, aiming at assisting decision-making. The perception of 18 experts on animal sciences regarding the risks of 32 nutritional, breeding, and general management practices applied to increase pregnancy rate were evaluated through questionnaires. The experts were selected by a non-probability sampling of researchers on veterinary and animal sciences. In addition, five farmers and eight technical consultants were also selected. The questionnaire was applied during a face-to-face meeting. The risk of each practice was assessed according to four factors, namely, cost, technical knowledge, operational complexity, and flexibility, and an equation was developed to calculate this risk. The applied method allowed to determine the risk of each practice, obtaining results similar to those previously perceived by the experts. Operational complexity and cost had greater influence on the estimated risks compared with the other factors. Moreover, the increase of one unit in operational complexity and cost increased the perceived risk and the estimated risk scores in 0.43 and 0.28 points, respectively. Overall, the application of general management practices presented lower risk score compared with nutritional and breeding practices, which were not different from which other. Equations to estimate the risks of farm managers should routinely apply management practices to increase the efficiency of cow-calf production systems.

Share

COinS