absence of detectable benzimidazole-resistance associated alleles in haemonchus placei in cattle in nigeria revealed by pyrosequencing of β-tubulin isotype 1. | trichostrongyles are gastrointestinal parasites that occur globally and can cause subclinical to severe, sometimes life-threatening, infections in ruminants, particularly young animals. benzimidazoles (bz) are commonly used for the treatment of gastrointestinal parasites in ruminants. increasing spread of worm populations with anthelmintics resistance has been reported and is considered a consequence of highly frequent and longstanding use of anthelmintics. to obtain initial information regardin ... | 2015 | 25782679 |