I feed garlic daily to my flock.
You may like to read these too:
http://scialert.net/fulltext/?doi=ajpsaj.2010.182.189
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4823283/
You may like to read these too:
http://scialert.net/fulltext/?doi=ajpsaj.2010.182.189
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4823283/