An animal scientist is a researcher who studies the biology, health, and management of domestic farm animals. Their work spans genetics, nutrition, reproduction, and growth, with the goal of improving how animals are raised, fed, and bred. If you’ve ever wondered who figures out the optimal diet for dairy cows or how to breed livestock that are more resistant to disease, that’s an animal scientist.
What Animal Scientists Actually Do
The core work involves designing and conducting research on domestic farm animals. That research falls into several broad categories: genetics (which traits get passed to offspring and how to select for desirable ones), nutrition (what animals need to eat for optimal health and productivity), reproduction (improving breeding success rates), and growth and development (understanding how animals mature and how environmental factors affect that process).
Day to day, this can look very different depending on the setting. An animal scientist at a university might spend mornings collecting tissue samples from cattle, afternoons analyzing data in a lab, and evenings writing up findings for a peer-reviewed journal. One working for a feed company might be testing new formulations to see whether a different protein blend improves weight gain in poultry. Another at a government agency might be evaluating food safety standards or advising on animal welfare policy. The thread connecting all of it is applying scientific methods to real questions about animal agriculture and management.
Where Animal Scientists Work
Three broad sectors employ most animal scientists. Education is a major one: universities hire animal scientists as professors and researchers, often splitting their time between teaching and running labs. The professional, scientific, and technical services sector is another path, which includes consulting firms, pharmaceutical companies developing animal health products, and biotech firms working on genetic technologies. The third is farming, forestry, fishing, and hunting, where animal scientists work directly with agricultural operations to improve herd management, feed efficiency, or breeding programs.
Government agencies also employ animal scientists for roles in food safety inspection, agricultural policy, and publicly funded research. Some work for nonprofit organizations focused on animal welfare or sustainable agriculture.
Specialization Areas
Animal science is broader than most people expect. You can specialize in production animal science, which focuses on livestock raised for meat, milk, eggs, or fiber. This is probably what most people picture when they hear “animal scientist,” and it includes work on cattle, swine, poultry, and sheep.
But several other paths exist. Companion animal science focuses on dogs, cats, and other pets, studying their nutrition, behavior, and health. Equine science zeroes in on horses, covering everything from exercise physiology to breeding management. Laboratory animal science involves working with animals used in biomedical research, ensuring their welfare and managing breeding colonies. And preveterinary medicine and research is a track for students who plan to continue into veterinary school or pursue advanced research careers.
Within any of these tracks, you might further narrow your focus. Some animal scientists become experts in animal behavior, others in reproductive physiology, others in meat science or dairy production systems. The specialization you choose shapes where you end up working and what your daily routine looks like.
Education You Need
A bachelor’s degree in animal science or a closely related field (biology, agriculture, zoology) is the entry point. Undergraduate programs typically cover animal anatomy, physiology, genetics, nutrition, and statistics. That degree qualifies you for some roles in industry, extension services, or farm management.
Research positions and university faculty jobs almost always require a master’s degree or a Ph.D. A master’s takes roughly two years beyond undergrad and often involves a thesis project on a specific animal science question. A Ph.D. adds another three to five years and qualifies you to lead independent research or teach at the university level.
Beyond degrees, professional certification can set you apart. The American Registry of Professional Animal Scientists (ARPAS) offers certification that signals verified expertise. Their highest level, Board Certification through the American College of Animal Sciences, requires a master’s or doctoral degree, passing a specialized examination, and active membership in good standing. Ph.D. holders can sit for the exam one year after earning their degree, while those with a master’s must wait four years. Earning this credential adds professional credibility and can make you more competitive for promotions, consulting work, or senior research positions.
Skills That Matter
Strong science fundamentals are a given, but a few skills distinguish successful animal scientists from the rest. Data analysis is essential. Modern animal science generates enormous datasets from genomic sequencing, feeding trials, and production records, so comfort with statistics software is expected. Writing matters too, since publishing research and writing grant proposals are how many animal scientists sustain their careers.
Practical animal handling experience carries real weight. Employers want to know you can work safely and confidently around large animals, not just analyze data about them. Communication skills also come into play frequently: translating complex findings into recommendations that farmers, feed companies, or policymakers can actually use is a core part of the job in most settings.
Salary and Job Prospects
Animal scientists earn a solid income relative to many science careers. The BLS classifies the occupation under code 19-1011, and May 2023 data places median wages in line with other agricultural and food science occupations. Entry-level roles with a bachelor’s degree tend to pay less than research-heavy positions requiring advanced degrees, as you’d expect. Scientists working in the pharmaceutical or biotech sector generally earn more than those in academia or government.
Job growth for animal scientists is modest but steady. The field is small compared to broader science categories, so openings are limited in raw numbers. That said, ongoing demand for more efficient food production, growing interest in animal welfare, and advances in genomics and precision agriculture all create opportunities. Candidates with a Ph.D. and skills in data science or molecular biology tend to have the strongest prospects.
Animal Scientist vs. Veterinarian
People often confuse the two, but they serve different purposes. A veterinarian diagnoses and treats individual sick or injured animals. An animal scientist studies populations and systems, asking questions like “what feeding strategy produces the healthiest herd” or “which genetic markers predict higher milk yield.” Some animal scientists work closely with veterinarians, and the preveterinary track in animal science programs is specifically designed for students who want to go on to vet school. But the two careers require different degrees, different licenses, and involve fundamentally different daily work.