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Doctorate in Animal Science

Building upon its tradition of excellence, the animal science doctoral program allows students to discover, develop and distribute scientific knowledge to advance the animal and food industries.
The OSU Department of Animal and Food Sciences has distinguished programs in teaching, research and Extension.


The doctor of philosophy degree in animal science requires a minimum of 90 credit hours beyond the bachelor's degree, or a minimum of 60 credit hours beyond the master's degree in a related discipline.


Research and Faculty

Free Stall Barn at the Ferguson Family Dairy

The Department of Animal and Food Sciences at Oklahoma State University is home to 15+ facilities encompassing more than 13,000 acres. The units house quality livestock that are used for teaching, research, and Extension purposes.

The OSU Department of Animal and Food Sciences strives to develop life-long learners who understand science, can think creatively and analytically, treat others with honesty and respect, and are prepared to serve and lead the animal and food industries with confidence. The department's teaching facilities allow students to gain hands-on experience and apply concepts learned in the classroom to real-world scenarios, whether in class or as a student employee.


Meet our Departmental Faculty



Admission to the graduate program requires a bachelor's degree in animal science, dairy science or poultry science, or in closely-related biological sciences or biochemistry. A student enrolling in a degree program must have been accepted by an advisor prior to official admission. In all cases, the student’s graduate advisor or committee may recognize specific undergraduate deficiencies and require measures to attain proficiency.


To apply for the animal science graduate degree program complete the following:

  • Submit an application for admission to the OSU Graduate College
  • Graduate Record Examination (GRE) scores
  • Curriculum vitae or résumé
  • Personal statement explaining why you are interested in the graduate program
  • Three letters of reference


Cost and Assistance

Many students help finance graduate education through part-time, paid employment as a graduate assistant. As a graduate assistant, you can expand and apply your knowledge and skills under the supervision of faculty or staff.


Cost and Aid

Assistantships and Funding Opportunities

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