Ohio State University Extension Bulletin

Research and Reviews: Dairy 2001

Special Circular 182-01


Faculty

F.R. Allaire F.R. Allaire, Professor, Columbus. Offers a capstone course where students, working in teams, learn to manage change that serves a client's vision. Works with the Agroecosystems Management Program to inform and facilitate knowledge management networks to support farmers in their pursuit of systemic change in their respective enterprises and communities. Works to have animals add value to community life and land.
 
W.L. Bacon W.L. Bacon, Professor, Wooster. Dr. Bacon's main research focus is avian reproduction. The effects of environmental lighting on semen quality and quantity, and the control of photorefractoryness in the male turkey are being studied. The effects of environmental lighting on circulating hormones at the initiation of photostimulation, and the ovarian-pituitary relationship during the ovulatory surge in the female turkey are also being studied. In female Japanese quail, the effect of yolk precursor lipoprotein concentration on lipid composition of the precursor, and metabolic rate of the precursor is determined.
 
S.L. Boyles S.L. Boyles, Associate Professor, Columbus. Dr. Boyles is responsible for the state beef cattle education outreach program. His Extension program includes coordinating the activities of the OSU Extension Beef Team and conducting local education workshops. Dr. Boyles' research program emphasizes improved forage utilization through grazing strategies and hay storage systems. Dr. Boyles also is working with commodity organizations on Beef Quality Assurance programs.
 
M.E. Davis M.E. Davis, Professor, Columbus. Dr. Davis' teaching duties include: Data Analysis and Interpretation for Decision Making (AS 260), Principles of Animal Improvement (AS 320), Research Methods in Animal Genetics I and II (AS 820.02 and 820.04). Research responsibilities include genetics research with the beef herd at the Eastern Ohio Resource Development Center and emphasize selection for blood serum insulin-like growth factor I (IGF-I) concentration, identification of polymorphisms in genes that influence economically important traits in beef cattle, and determination of associations of such polymorphisms with economically important traits in beef cattle. Dr. Davis also is Director of the Animal Genetics Lab, which conducts blood and DNA typing for parentage verification for several of the major beef cattle breed associations.
 
M.L. Day M.L. Day, Professor, Columbus. Dr. Day's research program in reproductive physiology emphasizes the study of puberty, regulation of follicular development and estrous synchronization in cattle. He teaches the Beef Production and Management and Introductory Animal Sciences courses and advanced reproduction and endocrinology for graduate students. He serves as Faculty Supervisor of the OSU Beef Center.
 
B.A. Dehority B.A. Dehority, Professor, Wooster. Dr. Dehority's teaching responsibilities include a course in Rumen Microbiology taught every other year during the summer quarter at Wooster, and he advises graduate students. His research interests are in the area of rumen microbiology, including studies on the individual roles of the bacteria, protozoa and fungi in the rumen and their interactions, the isolation and characterization of rumen bacteria responsible for the breakdown of forage structural carbohydrates, factors affecting protozoal numbers, cultivation of rumen protozoa in vitro, cryopreservation of rumen protozoa, geographical distribution and specificity of gastrointestinal protozoa, as well as various other specific studies in rumen microbiology.
 
M.L. Eastridge M.L. Eastridge, Professor, Columbus. Extension and research responsibilities in dairy cattle nutrition and serves as the Coordinator of the Extension Program in Animal Sciences, faculty supervisor for the Waterman dairy facility in Columbus, and leader of the Ohio Dairy Industry Task Force. He conducts outreach educational programs in the area of nutrition. Research includes the impact of fats and feed additives on animal performance and milk composition, and study of optimum fiber in diets for lactating cows. Teaching responsibilities include advising graduate students and co-teaching and serving as leader for an applied dairy nutrition course designed primarily for veterinary students.
 
K.E. Fike K.E. Fike, Assistant Professor, Columbus. Dr. Fike's area of research interest is bull physiology focusing on management techniques that can be used to decrease age at puberty and enhance fertility. She is specifically focusing on the use of the hormone GnRH or its agonists to affect testicular development, testosterone production, and spermatogenesis. Dr Fike teaches Introductory Animal Sciences and is the faculty coordinator for the Animal Sciences undergraduate internship program.
 
J.L. Firkins J.L. Firkins, Professor, Columbus. Dr. Firkins' research activities include evaluation of by-products as fiber sources and fat and protein sources for dairy cattle. He studies how these feeds and feeding combinations affect site of nutrient digestion and efficiency of microbial protein synthesis in the rumen of cattle. Dr. Firkins teaches AS 330, Principles of Animal Nutrition; AS 530, Comparative Animal Nutrition; and AS 730.02, Research Techniques in Animal Nutrition.
 
F.L. Fluharty F.L. Fluharty, Research Scientist, Wooster. Dr. Fluharty's responsibilities include conducting research in beef cattle and sheep nutrition. His primary research areas are determining the effects of energy and protein intake on animal growth and carcass composition and the nutritional requirements of stressed feeder calves. His research includes work with ruminal microbiology and digestion, as well as cattle and sheep performance studies. He currently is conducting research to determine the effects of nutrition and genetics on animal growth and meat tenderness and the effects of early-weaning beef calves on subsequent feedlot performance and carcass composition. He also teaches AS 540 (Feedlot Management).
 
J.S. Hogan J.S. Hogan, Associate Professor, Wooster. Dr. Hogan's research is in the area of bovine mastitis: hygiene procedures to reduce bovine intramammary infection; relationships among normal and transit teat skin bacterial flora; and milk quality enhancement. He also conducts research relative to the development of a mastitis vaccine, and he teaches the undergraduate lactation course.
 
K.M. Irvin K.M. Irvin, Professor, Columbus. Dr. Irvin's research focuses on swine genetics. Primary consideration is made to the combination of population genetics and molecular genetics. Teaching responsibilities include Principles of Genetic Improvement; Application of Genetic Improvement to Swine; Population Genetics I and II; Advanced Swine Production; Current Issues in Animal Sciences, Capstone and Third Writing Course; Seminars; Independent Studies; and Internships. Extension functions include presentations, allied industry and producer interactions.
 
C. Johnston C. Johnston, Professor, Wooster. Dr. Johnston's research interests are in the areas of modification of non-milk ingredients for inclusion in milk replacers for cattle and sheep, and dietary macromolecular absorption by cattle and sheep.
 
J.E. Kinder J.E. Kinder, Professor and Chair, Columbus. Dr. Kinder along with the Associate chair, Dr. Joy Pate, provides the leadership for administering the various programs in the Department of Animal Sciences. Dr. Kinder also supervises graduate students and conducts research in the area of hormonal regulation of the reproductive function. The focus of his research program is on hormonal regulation of sexual maturation and the reproductive cycle of cattle. He also has an active research program in developing practical technologies to control reproductive cycles of cattle.
 
R.C. Kline R.C. Kline, Associate Professor, Columbus. Dr. Kline's responsibilities include teaching the horse courses: AS 201, AS 271, and AS 541. His extension activities include conducting eleven state-wide events each year for the 4-H Program, writing horse materials for both youth and adult programs, and answering the daily requests for information from the horse industry. He oversees the University horse herd and its use for classes and research. Present research involves equine behavior and reproductive physiology in horses.
 
C.L. Knipe C.L. Knipe, Associate Professor, Columbus. Primary responsibilities include processed meat extension activities for the Ohio meat industry. He is also involved in research and teaching and has a joint appointment with the Department of Food Science and Technology. In addition to providing technical assistance to small and large companies, within Ohio and nation wide, his extension activities have focused on Hazard Analysis and Critical Control Point (HACCP) training and implementation assistance for Ohio meat plants. Dr. Knipe's research interests include: identification of processing methods which optimize the functional quality of pork, identification of processing procedures which limit shelf-life and/or safety of meat products, and shelf-life determination of such products, maximizing the functionality of high-collagen meat raw materials. He advises graduate students in Meat Science and teaches Animal Science 550 (Meat Processing).
 
J.D. Latshaw J.D. Latshaw, Professor, Columbus. Dr. Latshaw's teaching responsibilities include an introductory course in animal nutrition and one in poultry science. Also, he teaches half of the second nutrition course and half of a course combining nutrition and physiology in support of reproduction. His research interests include documenting all nutrient deficiencies and excesses in broiler chicks and examining the use of energy by birds.
 
D.G. Levis D.G. Levis, Associate Professor, Columbus. Dr. Levis's primary responsibility is coordinating out-reach educational programs of the OSU Ohio Pork Industry Center (OPIC) and the Ohio Pork Producer's Council. The OPIC is composed of County Extension Agents, District Extension Specialists, the Agricultural Technical Institute, School of Natural Resourses and the following departments: Animal Sciences; Agricultural, Environmental and Development Economics; Veterinary Preventive Medicine; Food Science & Technology; and Food, Agricultural & Biological Engineering. His research interests are in swine reproductive physiology and design of swine breeding-gestation facilities.
 
M.S. Lilburn M.S. Lilburn, Associate Professor, Wooster. Dr. Lilburn's research focuses on different aspects of avian nutrition and avian embryonic development. His teaching responsibilities include a graduate course in protein nutrition and he coordinates a poultry nutrition course in conjunction with the Midwest Poultry Consortium at the University of Wisconsin.
 
S.C. Loerch S.C. Loerch, Professor, Wooster. Dr. Loerch's primary research responsibilities are in beef cattle and sheep nutrition and management. Current projects include: effects of controlling intake on feedlot performance and proportion of carcass lean and fat; use of extended grazing and corn as alternative feeds for ewes and wintering beef cows, and nutritional strategies for stressed feeder calves. He supervises the OARDC Beef Center, the OARDC Sheep Center, and the cow herd at the North Appalachian Experimental Watershed Branch in Coshocton. He teaches an undergraduate practical nutrition course and a graduate level advanced ruminant nutrition course.
 
D.C. Mahan D.C. Mahan, Professor, Columbus. Dr. Mahan's research responsibilities involve evaluating the nutritional requirements and feeding programs of swine at various stages of production, with primary emphasis on the sow and weanling pig. Nutritional areas of investigation currently include vitamin E and selenium, where he is evaluating the efficacy of organic and inorganic selenium sources for sows and pigs. In addition the studies are evaluating vitamin C and sodium and chloride requirements of young pigs, and the evaluation of carbohydrate and energy sources for the weanling pig. He is involved in using the ileal digestibility technique in growing pigs to evaluate the effect of different factors to enhance amino acid digestibility from soybean meal. He currently teaches undergraduate courses in animal Growth and Development, and Feeds and Feeding course.
 
K.E. McClure K.E. McClure, Assistant Professor, Wooster. Dr. McClure's research interest is ruminant nutrition with emphasis on forage utilization. Research efforts include grazing experiments with legumes and cool-season grasses using lambs. The objective is meat production that maximizes lean and minimizes fat for health conscious consumers. Strategies that involve grazing and/or comparative supplemental energy, protein, vitamins, and minerals that are adaptable to the sheep enterprise are a primary objective. Emphasis is also directed to the use of the corn plant and other forages in the basal diet of the ewe flock and breeding rams to economically meet their nutritional requirements. Extension participation includes phone consultations, forage related farm visits, and meeting with producer groups.
 
S.J. Moeller S.J. Moeller, Associate Professor, Columbus. Dr. Moeller's Extension responsibilities include swine genetics, production management and mortality composting. He serves as the leader of the OSU Swine Educators Team and works with county and state groups to develop training programs and educational materials for producers in Ohio and the United States. His primary research interests are in the genetics of muscle quality and ultrasonic evaluation of fat and muscle in swine. Teaching responsibilities include undergraduate Genetics and Swine Production.
 
M. Morrison M. Morrison, Associate Professor, Columbus. Dr. Morrison is the leader of a research team called MAPLE (Molecular Analysis of Prokaryotes from Livestock Environments, see www.ag.ohio-state.edu/~ansci/maple). MAPLE is currently involved with several microbiology research projects including the molecular biology of cellulose-degradation, bacterial adhesion to surfaces, and the microbial ecology of antibiotic resistance genes. His undergraduate teaching responsibilities include Microbiology 661: General Microbial Physiology and a new Freshman Research Seminar Program open to Honors students, to be offered in 2002.
 
F.V. Muir F.V. Muir, Professor, Wooster. Dr. Muir's primary outreach interests are in the areas of the management of layers and broilers, especially the application of computers in the production of eggs and poultry meat. The use of computers to integrate egg production or growth data, feed consumption, poultry house environment, feed formulation, and record keeping are important considerations in remaining competitive. Course responsibility - Commercial Poultry Management.
 
K.E. Nestor K.E. Nestor, Professor, Wooster. Dr. Nestor's research interests include population genetics of turkeys and Japanese quail, genetics of disease resistance in the turkey, genetic relationships between growth and reproduction, and genetics of leg strength in the turkey. He advises graduate students and is host to several visiting scholars. Dr. Nestor is a Fellow of the Poultry Science Association and a member of Gamma Sigma Delta.
 
H.W. Ockerman H.W. Ockerman, Professor, Columbus. Dr. Ockerman's teaching responsibilities include Advanced Meat Technology, Laboratory Analysis of Meat Products, Quality Control Interpretation, Global Food and Agriculture, Food in International Agriculture, Meat Science Seminars, as well as internships and individual studies. He is also involved in International Education. His research programs include biochemistry, microbiology, processing, quality, food safety, shelf life, and economics of muscle tissue from slaughter to consumption in all species. Extension duties include short courses, consulting, legal evaluation, and trouble-shooting industry concerns.
 
J.S. Ottobre J.S. Ottobre, Professor, Columbus. Dr. Ottobre's research is in the area of reproductive physiology. The primary focus of this research is the regulation of the function of the corpus luteum. He teaches Introductory Animal Science, Reproductive Physiology, and Advanced Reproductive Physiology. Dr. Ottobre has a joint appointment in the Department of Physiology in the College of Medicine.
 
D.L. Palmquist D.L. Palmquist, Professor Emeritus, Wooster. Dr. Palmquist's research is in the area of dairy cattle nutrition, including digestive physiology and nutrient utilization of high-energy diets, especially fats, and regulation of milk synthesis and composition. He teaches graduate courses in ruminant nutrition, and lipid and energy metabolism.
 
J.L. Pate J.L. Pate, Associate Chair, Columbus. Dr. Pate is a reproductive physiologist specializing in the area of corpus luteum function. Primary research interests focus on the regulation of luteolysis, prostaglandin production by the corpus luteum, the interactions between the immune system and the reproductive system, and nutritional/metabolic effects on fertility. She teaches Physiology of Reproduction and Advanced Reproductive Endocrinology.
 
W.F. Pope W.F. Pope, Professor, Columbus. Dr. Pope's primary research interests are in embryonic mortality in swine. Secondary investigations are examining factors affecting fertilization, estrous cycle control, uterine secretions, and isoforms of the estradiol receptor. His teaching responsibilities include the core physiology course (310), and reproductive physiology (410). Extension duties include working closely with commercial sheep producers through field days and site visits.
 
F.L. Schanbacher F.L. Schanbacher, Professor, Wooster. Dr. Schanbacher's research interests are in the areas of physiology, biochemistry, and molecular biology of bovine mammary development and milk protein synthesis. Studies are focused at whole animal, cellular, and molecular biology levels for synthesis and secretion of milk protein, mammary cellular growth and development, and growth regulation. He teaches the advanced course in Physiology of lactation.
 
K.L. Smith K.L. Smith, Professor, Wooster. Dr. Smith's research is in the area of diagnosis, therapy, and control of bovine mastitis in dairy herds; natural factors of disease resistance associated with the bovine mammary gland; and environmental and nutritional factors associated with increased mastitis in dairy herds. He advises numerous M.S. and Ph.D. students.
 
P.W. Spike P.W. Spike, Associate Professor, Columbus. Dr. Spike has appointments in Extension and teaching, including Extension responsibilities in youth work (4-H and FFA), genetics, and management. His teaching duties include dairy cattle evaluation, dairy herd management, and dairy farm management. He also coaches the dairy cattle judging teams and advises the Buckeye Dairy Club.
 
N.R. St-Pierre N.R. St-Pierre, Associate Professor, Columbus. Dr. St-Pierre specializes in the area of dairy farm management. Research interest is in the control function of management. Ongoing research projects are focused on quantitative methods for evaluating animal systems (production, reproduction, mammary health); the value of milk urea nitrogen (MUN) as a nutrition management tool; reduction of nitrogen excretion by dairy cows and feed cost optimization and nutritional economics; production risks and risk management for dairy farms. Extension programs are focusing on three inter-dependent areas: long-term strategic planning of dairy enterprises; production and financial benchmarks for evaluating short-, medium-, and long-term results; and nutritional management, herd structure and cost control.
 
T.B. Turner T.B. Turner, Assistant Professor, Columbus. Dr. Turner's primary research interest is beef cow performance, including milk production, preweaning calf performance, age at weaning, and matching feed resources to calving and weaning management. His teaching responsibilities include Beef Cattle Production and Management, Livestock Selection and Evaluation and Applied Beef Cattle Genetics, and he coaches the Intercollegiate Livestock Selection and Evaluation Team. Extension responsibilities include programs in beef cattle genetic improvement and in livestock selection and evaluation. He also advises undergraduate and graduate students.
 
S.G. Velleman S.G. Velleman, Associate Professor, Wooster. Dr. Velleman's research focuses on how the extracellular matrix influences skeletal muscle growth and function. She teaches AS 618, Molecular Events in Tissue Growth.
 
W.P. Weiss W.P. Weiss, Professor, Wooster. Dr. Weiss' research is in the general areas of feed evaluation, energy utilization by dairy cows, and nutritional factors affecting cow health. Specific research projects include determining the energy value of corn silages, developing methods to estimate starch availability to cows, and effects of vitamins and trace minerals on hoof and mammary gland health. Extension duties include working with the Ohio Dairy Ration Program, and teaching dairy nutrition short courses.
 
M.P. Wick M.P. Wick, Assistant Professor, Columbus. Dr. Wick's research focuses on the role of sarcomeric proteins in the mechanisms controlling skeletal muscle growth, development, and meat quality. Teaching responsibilities include AS 355.01, Principles of Meat Science; AS 620, Applied Animal Molecular Genetics; and AS 868, Molecular Biology Techniques.
 
L.B. Willett L.B. Willett, Professor, Wooster. For the past 30 years, Dr. Willett has been conducting original research and has been responsive to issues of chemical agents in the environment of food producing animals. His studies have addressed chemicals that have an adverse impact toxicologically and sociologically on agriculturally important livestock and human foods produced by livestock. He has created methods to eliminate or satisfactorily reduce the presence of these chemicals in the environment, livestock, and/or human foods. He also studies undesirable and odorous gasses emitted from stored manures plus physiological adaptive changes that occur in calves immediately after birth. His teaching responsibilities are in the graduate toxicology courses and advising graduate students in physiology and toxicology. Dr. Willett also advises independent study students in a collaborative effort with the College of Wooster.
 
D.L. Zartman D.L. Zartman, Professor, Columbus. Dr. Zartman's areas of interest and expertise include biotelemetry to improve animal performance through increased physiological data for improved decision making or through modification of cellular processes. He advocates intensive grazing and seasonal dairying research and also works in genetics, cell culture, and reproductive physiology. Classes taught include animal welfare/rights issues and management intensive grazing.
 
H.N. Zerby H.N. Zerby, Assistant Professor, Columbus. Dr. Zerby's research interest is in the area of carcass and meat product quality resulting from different live animal production and management strategies. He focuses more specifically in the areas of enhancing taste and tenderness in whole muscle meat products. Dr. Zerby's teaching responsibilities include Principles of Meat Science and Meat Animal and Carcass Evaluation, and he also works with the Intercollegiate Meat Evaluation Team.


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