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Artículo Original<br />

62<br />

Rev. Ibero-Latinoam. Parasitol. (2012); 71 (1): 62-69<br />

Comparación <strong>de</strong>l efecto <strong>de</strong> moxi<strong>de</strong>ctina e<br />

ivermectina <strong>sobre</strong> nematodos y la ganancia<br />

<strong>de</strong> peso en bovinos en Jalisco, México<br />

QUIROZ R. H. 1 , MATEOS R. A. 2 , GÓMEZ F. L. E. 2 , CRUZ M. I. 1 , ULLOA-ARVIZUR. 1<br />

1 Facultad <strong>de</strong> Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma <strong>de</strong> México, Av. Universidad 3000,<br />

México, D. F. 04510.<br />

2 Fort Dodge Animal Health, Sevilla 821, México, D.F.<br />

ABSTRACTS<br />

COMPARISON OF EFFECT OF MOXIDECTIN AND IVERMECTIN 0N NEMATODES AND<br />

THE WEIGHT GAIN IN BOVINES IN JALISCO, MEXICO<br />

With the aim to compare the effect of moxi<strong>de</strong>ctin and ivermectin,and levamisol on the reduction of<br />

gastrointestinal nemato<strong>de</strong> eggs elimination and the weight gain in calves in a warm climate. The field study<br />

was done in Jalisco, Mexico. Brahman naturally infected with gastrointestinal nemato<strong>de</strong>s (GIN) was used.<br />

Three groups of 30 bovines each, with homogeneous weight, without statistical difference between groups<br />

(P < 0.05) were integrated, individual fecal samples were collected on days 1, 75 and 150, and examined<br />

by McMaster technique, the individual weight was registered the same days, on day 1 the anthelmintic<br />

treatment was applied. Group 1 was treated with long-action moxi<strong>de</strong>ctin at 10 % (100 mg/1mL) in dose of<br />

1 mg/kg (1 mL/100kg) of weight by injection given subcutaneously. Group 2 was treated with ivermectin<br />

at 3.15 % (10 mg/1ml) at a dose of 0.2 mg/kg of weight by sc. via. The Group 3 or control was treated<br />

with levamisol at 12 % (120 mg/ml) at a dose of 6 mg/kg, by intramuscular via. In Group 1 the effect of<br />

moxi<strong>de</strong>ctin was 100 % at 75 and 150 days. In group 2, ivermectin fluctuated from 97.5 to 94.1 % on days<br />

75 to 150, respectively. In the Group 3 the effect of levamisol was 100 and 82.1% for the same days. In<br />

relation to the difference in weight gain between day 1 and 150, in Group 1 (moxi<strong>de</strong>ctin) it was 30.7 ±<br />

3.9 kg. Group 2 (ivermectin), 23.5 ± 4.0 kg. Group 3 (levamisol) or control, 25.8 ± 4.0 kg; there were no<br />

statistical difference between the three groups (P < 0.05). Numerically moxi<strong>de</strong>ctin was the best in efficacy<br />

and weight gain; nevertheless, it was not significantly different with the other groups at 150 days.<br />

Key words: Moxi<strong>de</strong>ctin, ivermectin, levamisol nemato<strong>de</strong>s, weigth gain, bovines.<br />

Recibido: 21 <strong>de</strong> Febrero <strong>de</strong> 2012. Aceptado: 23 <strong>de</strong> Mayo <strong>de</strong> 2012.<br />

Correspon<strong>de</strong>ncia: Héctor Quiroz Romero. Departamento <strong>de</strong> Parasitología, Facultad <strong>de</strong> Medicina Veterinaria y<br />

Zootecnia, Universidad Nacional Autónoma <strong>de</strong> México, Av. Universidad 3000, cp 04510, México,<br />

D.F.

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