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KMID : 1023519940170010044
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Korean Journal of Veterinary Service
1994 Volume.17 No. 1 p.44 ~ p.53
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Studies on Anticoccidial Drug Sensitivity and Infection of the Coccidia against Broiler Chicks of Farms in the North Area of Kyongbuk Province
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Kim Soon-Tae
Son Jae-Kweon
Kim Sang-Yun
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Abstract
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The result that investigated aberage weekly oocyst nymbers in faeces from 16 broiler farms, Oocyst can be found in the highest during the 5 weeks age. The 3 of the 16 farms have clinical sign of the coccidiosis at the faeces collection. Anticoccidial drug sensitivity against Oocyst isolated in 2 farms to have clinical coccidiosis was tested for the drug susceptibility and resistance in order to prevention coccidiosis effectively. Maduramicin, Salynomicif Narasin Lasalocid, Monensin, Robenidine and Dicrazulir were used an anticoccidial drugs. The results ; Anticoccidial index(ACI) of the A farm were 201.50 in a chicken group treated with Dicrazulir, 194.84 with Robenidine. 172.79 with Maduramicin 6ppm 170.49 with Salynomicin, 168.02 with maduramicin 5ppm 165.77 with Lasalocid, 143.34 with Monensin and 140.63 with Narasin. ACI of the B farm were 193.40 in a chicken group treated Robenidine, 190.64 with Dicrazuril, 158.75 with Maduramic in 6ppm, 151.62 with Maduramicin 5ppm, 149.44 with Salynomicin, 143.10 with lasalocid, 138.11 with Monensin and 137.50 with Narasin. According to interpretation of ACI from Kawasae et al, the drug resistance(less than 120 of ACI) not appeared in two farms, vut the drug tolerance(120-160 of ACI) appeared in two group treated with Monesin and Nalacin in csae of A farm and in all group with treated anticoccidial drug in case of B farm.
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KEYWORD
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Anticoccidial Index(ACI), Coccidiosis, Ionophores, Robenidine
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