Economic analysis of strategic control program (5, 8, 11) for gastrointestinal nematodes in grazing beef cattle during the growing phase in Central Brazil

Authors

DOI:

https://doi.org/10.5433/1679-0359.2019v40n5Supl1p2309

Keywords:

Control, Cooperia spp, Economic, Haemonchus spp, Tropical.

Abstract

This study aimed to analyze economically different control protocols for beef cattle gastrointestinal nematodes in Brazil. Field study data previously published was used to compare three groups: 1) non-dosed; 2) current deworming program with two doses - May and November; and 3) alternative strategic control program with three doses - May, August, and November. An economic sensitivity analysis was performed based on beef carcass price (BCP) variation, thus creating three economic scenarios: 1) more probable (M) using the mean BCP in the studied region; 2) optimistic (O) using the mean BCP plus standard deviation; and 3) pessimistic (P) using the mean BCP minus standard deviation. Stock valuation (SV), operational result (OP), and treatment differential (TD) were calculated for each scenario. Average BCP was US$ 2.93 kg-1 carcass (± US$ 0.27 kg-1 carcass). The mean annual cost of deworming per animal was US$ 5.43 and US$ 7.97 for protocols with two and three doses, respectively. The cost of anthelmintic treatment represented 0.63% and 0.74% of operating results, both in M scenario. TD ranged from 9.5% to 27.6% for the assessed protocols. Regardless of the scenario, the protocol with three annual dosages presented the highest SV and OP, which economically justifies its implementation in strategic control of gastrointestinal nematodes in grazing beef cattle in Central Brazil. These results also demonstrate the relevance of strategic anthelmintic treatments in weaned stocker calves in tropical and humid subtropical areas.

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Author Biographies

Mário Henrique Conde, Universidade Federal do Mato Grosso do Sul

Discente, Faculdade de Medicina Veterinária e Zootecnia, Universidade Federal de Mato Grosso do Sul, UFMS, Campo Grande, MS, Brasil.

Rafael Pereira Heckler, Instituto Federal Catarinense

Dr., Instituto Federal Catarinense, IFC, Rio do Sul, SC, Brasil.

Dyego Gonçalves Lino Borges, Universidade Federal do Mato Grosso do Sul

Discente, Faculdade de Medicina Veterinária e Zootecnia, UFMS, Campo Grande, MS, Brasil.

Valter Joost Van Onselen, Universidade Federal do Mato Grosso do Sul

Prof. Dr., Faculdade de Medicina Veterinária e Zootecnia, UFMS, Campo Grande, MS, Brasil.

Ricardo Carneiro Brumatti, Universidade Federal do Mato Grosso do Sul

Prof. Dr., Faculdade de Medicina Veterinária e Zootecnia, UFMS, Campo Grande, MS, Brasil

Fernando de Almeida Borges, Universidade Federal do Mato Grosso do Sul

Prof. Dr., Faculdade de Medicina Veterinária e Zootecnia, UFMS, Campo Grande, MS, Brasil

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Published

2019-08-07

How to Cite

Conde, M. H., Heckler, R. P., Borges, D. G. L., Onselen, V. J. V., Brumatti, R. C., & Borges, F. de A. (2019). Economic analysis of strategic control program (5, 8, 11) for gastrointestinal nematodes in grazing beef cattle during the growing phase in Central Brazil. Semina: Ciências Agrárias, 40(5Supl1), 2309–2318. https://doi.org/10.5433/1679-0359.2019v40n5Supl1p2309

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