Correct Option (D)
The passage critically discusses the practice of administering antibiotics to livestock as growth promoters, emphasizing its role in fostering drug-resistant superbugs transmissible to humans. It references Denmark's successful experience, where a ban on antibiotic growth promoters led to increased pig production and fewer animal diseases. This illustrates that antibiotics are not indispensable for animal growth and should primarily be reserved for therapeutic applications, i.e., treating existing diseases.
Incorrect Options:
The passage focuses on the responsible and judicious use of antibiotics in animal husbandry, specifically condemning their application for growth promotion. It does not advocate for:
- Option (A): Avoiding all products of animal farming. The text suggests a change in farming practices, not a complete boycott of animal products.
- Option (B): Replacing foods of animal origin with foods of plant origin. The core message pertains to antibiotic stewardship within animal agriculture, not a dietary shift.
- Option (C): A complete ban on all antibiotic use in animals. While it strongly discourages antibiotic use for growth promotion, the passage implicitly acknowledges their continued necessity for treating actual diseases in livestock.