questions:  query regarding  vaccination schedule in koiler 
 answers: 1mareks vccine-single drop of vaccine in eye/nose for day old chick.2 r1 vaccine- single drop of vaccine in eyes/nose for 5-7 day old. 3. gumboro vaccine - single drop of vaccine in eye or drinking water for 8-21 day old chicks. 4 r1 vaccine- 0.2ml administerd through subcutenous after 5-6weeks of ahe