Caucasian farmer injecting cow with vaccine

60 64 years active seniors aging agriculture animals authentic authenticity baby boomer candid caucasian close up color image cow cowboy hat day farm farmer farming gray hair halfway hand healthcare holding horizontal illness injecting livestock man medical medicine midsection nature occupation one animal one person oregon outdoors people photography prevention real people rural scene selective focus senior adult senior men shot standing syringe treatment united states vaccinating vaccination veterinarian real life60 65 60 70 60's 60s 65 70 70 75 70 80 70's 70s 75 80 adult ageing america american americas animal appendage arm baby boomer babyboomer boomer boomers bovine cattle close up closeup color colour creature daylight daytime doctor domesticated elderly farmland fellow gentleman gray grey grey hair guy hair hat health care health care herbivore human human being husbandry hypodermic ill implement injection inoculating jabs limb male mammal maturing medical care medical science mid section mid section natural north america northwest old one outdoor outside pacific northwest person pet care retired retirement ruminant rural senior senior citizen seventies seventy sharps shots sick sickness sixties sixty treating us usa united states of america us usa vertebrate vet warm blooded west coast western european