Feeder is not a vaccine administration method. Vaccines for chicks are routinely delivered via drinking water, spray/aerosol, in-ovo (in-egg), or injection (subcutaneous/intramuscular). Feeders are strictly meant for solid feed, as adding vaccines to dry feed leads to uneven distribution and rapid pathogen inactivation.
which is not method of vaccination of chick?
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Question context
This question is part of 🧫 Biotechnology 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.