The phrase "clean kennels" means to tidy up and sanitize a place where animals such as dogs are kept, making it neat and free from dirt or germs. Full definition
Volunteers can be at least 14 - 16 years of age to help with cleaning kennels, doing laundry and washing dishes only. (animalcenter.org)
She is able to help in any area of any the clinic from cleaning kennels to assisting with surgeries or working at the front desk. (danvillesmallanimalclinic.com)
He has been working in the field since his first job cleaning kennels in the 9th grade. (abcvet.com)