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Efeito do tratamento anti-helmíntico no desenvolvimento ponderal de bovinos Nelore, Simental e produto de cruzamento entre as duas raças

Authors: Neves, José Henrique das;

Efeito do tratamento anti-helmíntico no desenvolvimento ponderal de bovinos Nelore, Simental e produto de cruzamento entre as duas raças

Abstract

A bovinocultura brasileira possui destaque no cenário mundial, sendo o Brasil um dos maiores produtores de carne. No entanto, o parasitismo por nematódeos gastrointestinais gera prejuízos na produção destes animais, devido a ação dos parasitas, gastos com medicamentos e manejo dos animais. Este estudo teve por objetivo de avaliar fatores relacionados ao uso de antihelmínticos em bovinos das raças Nelore, Simental e de cruzamento ½ Nelore x ½ Simental, quantificando o ganho em peso, de bovinos naturalmente parasitados, após a administração de anti-helmíntico ivermectina, sulfóxido de albendazol e sem tratamento. Foram avaliados bezerros e bezerras de três a cinco meses de idade, em quatro fazendas. Dividiu-se os bovinos em três grupos sendo: G1- tratados a cada 28 dias com ivermectina, G2 - tratados a cada 28 dias com sulfóxido de albendazol e G3 - grupo controle, sem tratamento. A cada 28 dias realizou-se pesagens e coleta de fezes para exames coproparasitológicos. Conclui-se que bovinos não tratados com anti-helmínticos apresentaram desempenho corporal inferior aos animais com tratamento antihelmíntico a base de ivermectina e sulfóxido de albendazol, independente da raça. Porém, as perdas ocasionadas devido ao parasitismo por nematódeos gastrintestinais variam de propriedade para propriedade.

Brazilian cattle breeding stands out in the world scenario, with Brazil being one of the largest meat producers. However, parasitism by gastrointestinal nematodes generates germplasm in the production of these animals, due to an action of the parasites, drug spending and animal management. The objective of this study was to evaluate factors related to the use of anthelmintics in bovines of the Nelore, Simmental and ½ Nelore x ½ Simental crossbreed, quantifying the gain in weight of naturally parasitized bovines after the administration of anthelmintic ivermectin, albendazole sulfoxide and untreated. Calves and heifers were oriented from three to five months of age on four farms. The cattle were divided into three groups: G1 - treated every 28 days with ivermectin, G2 - treated every 28 days with albendazole sulfoxide and G3 - control group, without treatment. Every 28 days we performed weighing and stool collection for coproparasitological exams. It was concluded that bovine animals not treated with anthelmintics presented lower body performance than animals with antihelminthic treatment, an ivermectin base and albendazole sulfoxide, regardless of race. However, losses caused due to parasitism by gastrointestinal nematodes vary from property to property.

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Pós-graduação em Medicina Veterinária - FMVZ

Processo FAPESP: 2014/02961-0

Country
Brazil
Keywords

Ganho em peso, Resistance, Cattle, Resistência, Bovinos, Weight gain

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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