期刊
JOURNAL OF APPLIED POULTRY RESEARCH
卷 31, 期 3, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.japr.2022.100263
关键词
Eimeria spp; anticoccidial sensitivity; coccidiosis vaccination; sustainable; coccidiosis control
资金
- MSD Animal Health
A study on 27 Eimeria spp. field isolates from 10 European countries found that isolates collected from farms using in-feed anticoccidial medication demonstrated poor sensitivity to narasin + nicarbazin. In contrast, isolates collected from farms using coccidiosis vaccination showed good sensitivity to narasin + nicarbazin.
Twenty-seven Eimeria spp. field isolates from 10 European countries were examined for sensitivity to the anticoccidial combination narasin + nicarbazin. Twenty-three of the samples were collected from farms using anticoccidial medication programs, and 4 of the samples were collected from farms using coccidiosis vaccination as the exclusive coccidiosis control method. Ninety-five percent of the isolates collected from farms using in-feed anticoccidial medication demonstrated poor sensitivity to narasin + nicarbazin. By contrast, 100% of the isolates collected from the coccidiosis vaccinated farms demonstrated good sensitivity, with a highly significant reduction in oocyst output when the isolates from the vaccinated farms were fed narasin + nicarbazin. As sensitivity of in-feed anticoccidials declines, a combination of the use of vaccine and anticoccidial strategies may be required for sustainable coccidiosis control.
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