Summary The Agricultural Research Service (ARS) is the United States Department of Agriculture's chief scientific research agency and one of the world's premiere scientific organizations. ARS Postdoctoral Research Associates are hired to supplement a lead scientist's research on agricultural problems of high national priority affecting American agriculture. **ANNOUNCEMENT IS OPEN UNTIL FILLED OR 11/12/2025** Responsibilities Will focus research efforts on management practices and dietary factors that influence greenhouse gas emissions in beef cattle. Evaluates the impact of management systems, and supplementation strategies on enteric methane and other greenhouse gas emissions from beef calves. Develops treatments applied, conducts research, and publishes the research results during their postdoc program under the guidance of their Postdoctoral Mentor. Requirements Conditions of Employment Qualifications This position requires a recent Ph.D (within the last 4 years) in Animal Science, Biology, Biochemistry, Chemistry, Molecular Biology, Genetics, Microbiology, or a related field of study that has equipped the applicant with the necessary knowledge, skills and abilities to perform the duties and responsibilities of the position. Desired skills include: Professional knowledge of nutrition, muscle biology, physiology, and/or biochemistry; and a working knowledge of anatomy, animal husbandry, and statistics. A high level of creativity and originality to conduct, interpret, and translate results into scientific publications and technology useful to the animal industry. Applicants must meet basic Office of Personnel Management (OPM) Qualification Standard's requirements of the scientific discipline necessary to perform the duties and responsibilities of the position. Animal Science Series 0487 Basic Requirements Degree: animal science, dairy science, poultry science; or a related discipline or field of animal science that included at least 30 semester hours in the basic biological and agricultural sciences, and 20 semester hours in animal science. For animal scientist positions, at least 10 of the required 20 semester hours in animal science must have been in courses dealing with the breeding, feeding, production, and management of livestock, and the care and preparation of their products. For dairy scientist positions, at least 10 of the required 20 semester hours in animal science must have been in dairy science. For poultry scientist positions, at least 10 of the required 20 semester hours in animal science must have been in poultry science. OR Combination of education and experience: courses equivalent to a major in the basic biological and agricultural sciences, including a minimum of 20 semester hours in appropriate animal science subjects, as described in A above, plus appropriate experience or additional education. Education This position has a positive education requirement. You must submit a copy of your academic transcripts OR a list of college courses with credit hours, dates completed, and grades received to verify education when applying for this position. If this information is not provided, your education may not be appropriately evaluated and you may lose consideration for this position. If you are selected for this position, you will have to provide an official copy of your transcripts prior to entering on duty. Application materials will not be returned. A Ph.D. is required that was obtained within the last four years. Additional Information Recruitment or Relocation Incentive may be authorized. Final determination to pay an incentive will be made by the hiring official at time of job offer. This position may be eligible to telework up to four days per week, based upon the duties of the position. This position may also be eligible for flexible work arrangements as determined by agency policy and any applicable collective bargaining agreements.