Hygromycin B is an aminoglycoside antibiotic produced by Streptomyces hygroscopicus that possesses anthelmintic properties. When administered as a continuous low-level feed additive, it acts as a selective drug of choice to control and eliminate gastrointestinal nematodes, specifically ascarids (Ascaris suum in swine and Ascaria galli in poultry), cecal worms (Heterakis), and whipworms (Trichuris).
Which of the following correctly completes the statement: Drug of choise for ascaris?
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Question context
This question is part of 🦠 Microbiology within the broader 🧬 Medical Science subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.