Projects

PHYSIOLOGICAL APPROACHES TO INCREASE THE EFFICIENCY OF PORK PRODUCTION THROUGH IMPROVED NUTRITIONAL AND REPRODUCTIVE COMPETENCE Appropriated (D)   Accession Number: 412207

Publications

Genetic variation in testis size and testicular development - (Abstract)

Ford, J.J. 2008. Genetic variation in testis size and testicular development. In: Proceedings of Midwest Boar Stud Managers Conference, August 7-8, 2008, St. Louis, Missouri. CDROM.

Central and peripheral administration of kisspeptin activates gonadotropin but not somatotropin secretion in prepubertal gilts - (Peer Reviewed Journal)

Lents, C.A., Heidorn, N.L., Barb, C.R., Ford, J.J. 2008. Central and peripheral administration of kisspeptin activates gonadotropin but not somatotropin secretion in prepubertal gilts. Reproduction. 135:879-887.

Porcine gonadogenesis - (Research Notes)

Ford, J.J. (McCoard, S.A.) 2008. Porcine gonadogenesis. Five images for teaching purposes related to porcine gonadogenesis (2; NAL Image Gallery: Codes 4365 and 4367), porcine fetal testicular development (2; NAL Image Gallery: Codes 4368 and 4369), and porcine fetal ovarian development (1; NAL Image Gallery: Code 4370). Animal Science Image Gallery. Available at: http://anscigallery.nal.usda.gov/index.php

Defined pattern of Sertoli cell differentiation in pubertal porcine testes - (Abstract)

Ford, J.J., Wise, T.H. 2008. Defined pattern of Sertoli cell differentiation in pubertal porcine testes [abstract]. Journal of Animal Science. 86 (E-Supplement 2):458. (Abstract #TH170).

Growth and pubertal development of F1 bulls from Hereford, Angus, Norwegian Red, Swedish Red and White, Friesian, and Wagyu sires - (Peer Reviewed Journal)

Casas, E., Lunstra, D.D., Cundiff, L.V., Ford, J.J. 2007. Growth and pubertal development of F1 bulls from Hereford, Angus, Norwegian Red, Swedish Red and White, Friesian, and Wagyu sires. Journal of Animal Science. 85:2904-2909.

Growth and Pubertal Development of F1 Bulls from Hereford, Angus, Norwegian Red, Swedish Red and White, Friesian, and Wagyu Sires - (Abstract)

Casas, E., Lunstra, D.D., Cundiff, L.V., Ford, J.J. 2007. Growth and pubertal development of F1 bulls from Hereford, Angus, Norwegian Red, Swedish Red and White, Friesian, and Wagyu sires [abstract]. Journal of Animal Science. 85(Suppl. 1):475. Abstract #W35.

Testicular development in Meishan and commercial crossbred prepubertal boars - (Abstract)

Ford, J.J. 2007. Testicular development in meishan and commercial crossbred prepubertal boars [abstract]. Journal of Animal Science. 85 (Supplement 1):651-652. (Abstract #894)

Breed differences in clearance of porcine FSH in hypophysectomized rats - (Peer Reviewed Journal)

Macdonald, G.J., Wise, T.H., Sluss, P.M., Ford, J.J. 2007. Breed differences in clearance of porcine FSH in hypophysectomized rats. Animal Reproduction Science. 102(3-4):328-334.

Species-specific testicular and hepatic microsomal metabolism of benzo(a)pyrene, an ubiquitous toxicant and endocrine disruptor - (Peer Reviewed Journal)

Smith, T.L., Merry, S.T., Harris, D.L., Ford, J.J., Ike, J., Archibong, A.E., Ramesh, A. 2007. (Brief Communication) Species-specific testicular and hepatic microsomal metabolism of benzo(a)pyrene, an ubiquitous toxicant and endocrine disruptor. Toxicology In Vitro. 21(4):753-758.

Characterization of the aldo-keto reductase 1C gene cluster on pig chromosome 10: possible associations with reproductive traits - (Peer Reviewed Journal)

Nonneman, D.J., Wise, T.H., Ford, J.J., Kuehn, L.A., Rohrer, G.A. 2006. Characterization of the aldo-keto reductase 1C gene cluster on pig chromosome 10: possible associations with reproductive traits. Biomed Central (BMC) Veterinary Research. 2:28. 2006.

CHARACTERIZATION OF THE ALDO-KETO REDUCTASE 1C GENE CLUSTER ON PIG CHROMOSOME 10 AND ASSOCIATION WITH AGE OF PUBERTY AND OVULATION RATE - (Abstract)

Nonneman, D.J., Wise, T.H., Ford, J.J., Rohrer, G.A. 2006. Characterization of the aldo-keto reductase 1C gene cluster on pig chromosome 10 and association with age of puberty and ovulation rate. (Abstract) Animal Genetics International Conference Proceedings. p. 88. Abstract #D277.

DECIPHERING THE PIG GENOME TO UNDERSTAND GAMETE PRODUCTION - (Book/Chapter)

Rohrer, G.A., Wise, T.H., Ford, J.J. Deciphering the pig genome to understand gamete production. IN: Control of Pig Reproduction VII. C.J. Ashworth & R.R. Kraeling (Eds) Nottingham University Press. Proc. 7th Intl. Conference on Pig Reproduction, Society of Reprod. & Fertility, Suppl. 62:293-301. 2006

MOLECULAR CLONING OF PORCINE OGT CDNA AND MAPPING TO THE X CHROMOSOME - (Abstract)

Kim, J.G., Ford, J.J., Rohrer, G.A., Nonneman, D.J. 2006. Molecular cloning of porcine OGT cDNA and mapping to the X chromosome [abstract]. Biology of Reproduction. Supplement:154.

VALIDATION OF THE SPERM MOBILITY ASSAY IN BOARS AND STALLIONS - (Peer Reviewed Journal)

Vizcarra, J.A., Ford, J.J. 2006. Validation of the sperm mobility assay in boars and stallions. Theriogenology. 66(5):1091-1097.

VALIDATION OF QTL FOR REPRODUCTIVE TRAITS IN ADVANCED GENERATIONS OF A MEISHAN CROSS POPULATION - (Abstract)

Rohrer, G.A., Nonneman, D.J., Wise, T.H., Ford, J.J. 2006. Validation of QTL for reproductive traits in advanced generations of a Meishan cross population. Proc., Plant and Animal Genome XIV, 1/14-18/2006. San Diego, CA, Poster #P577, p. 245.

GENETIC VARIATION IN SPERM PRODUCTION - (Review Article)

Ford, J.J., McCoard, S.A., Wise, T.H., Lunstra, D.D., Rohrer, G.A. 2006. Genetic variation in sperm production. In: Ashworth, C.J., Kraeling, R.R., editors. Control of Pig Reproduction VII. Proceedings of the Seventh International Conference on Pig Reproduction, June 12-15, 2005, Kerkrade, The Netherlands. Society of Reproduction and Fertility Supplement 62:99-112.

TESTICULAR DEVELOPMENT OF ZEBU BULLS AFTER CHRONIC TREATMENT WITH A GONADOTROPIN-RELEASING HORMONE AGONIST - (Peer Reviewed Journal)

Jimenez-Severiano, H., Mussard, M.L., Fitzpatrick, L.A., D'Occhio, M.J., Ford, J.J., Lunstra, D.D., Kinder, J.E. 2005. Testicular development of Zebu bulls after chronic treatment with a gonadotropin-releasing hormone agonist. Journal of Animal Science. 2005. v. 83(9):2111-2122.

BRAIN AROMATASE IN MALE AND FEMALE PIGS: HYPOTHALAMIC LEVELS AND IDENTIFICATION OF THE TISSUE-SPECIFIC FORM - (Abstract)

Conley, A.J., Corbin, C.J., Ford, J.J. 2005. Brain aromatase in male and female pigs: hypothalamic levels and identification of the tissue-specific form [abstract]. Biology of Reproduction. (Supplement):113. (Abstract #141)

GENETIC VARIATION IN SPERM PRODUCTION - (Abstract)

Ford, J.J., McCoard, S.A., Wise, T.H., Lunstra, D.D., Rohrer, G.A. 2005. Genetic variation in sperm production [abstract]. 7th International Conference on Pig Reproduction, June 12-15, 2005, Kerkrade, The Netherlands. p. 51.

EFFECT OF SUPPLEMENTAL COPPER PROTEINATE ON REPRODUCTIVE PERFORMANCE OF FIRST- AND SECOND-PARITY SOWS - (Peer Reviewed Journal)

Yen, J.T., Ford, J.J., Klindt, J. 2005. Effect of supplemental copper proteinate on reproductive performance of first- and second-parity sows. Canadian Journal of Animal Science. 85:205-210.

FOLLICULAR DEVELOPMENT AND MATURATION IN GILTS SELECTED FOR AN INDEX OF HIGH OVULATION RATE AND HIGH PRENATAL SURVIVAL - (Peer Reviewed Journal)

Yen, H., Ford, J.J., Zimmerman, D.R., Johnson, R.K. 2005. Follicular development and maturation in gilts selected for an index of high ovulation rate and high prenatal survival. Journal of Animal Science. 83(1):130-135.

A VARIANT OF PORCINE THYROXINE-BINDING GLOBULIN HAS REDUCED AFFINITY FOR THYROXINE AND IS ASSOCIATED WITH TESTIS SIZE - (Peer Reviewed Journal)

Nonneman, D.J., Rohrer, G.A., Wise, T.H., Lunstra, D.D., Ford, J.J. 2005. A variant of porcine thyroxine-binding globulin has reduced affinity for thyroxine and is associated with testis size. Biology of Reproduction. 72:214-220.

MICROARRAY PROFILING FOR DIFFERENTIAL GENE EXPRESSION IN OVARIES AND OVARIAN FOLLICLES OF PIGS SELECTED FOR INCREASED OVULATION RATE - (Peer Reviewed Journal)

Caetano, A.R., Johnson, R.K., Ford, J.J., Pomp, D. 2004. Microarray profiling for differential gene expression in ovaries and ovarian follicles of pigs selected for increased ovulation rate. Genetics. 168(3):1529-1537.

ASSOCIATION OF A POLYMORPHISM IN THYROXINE BINDING GLOBULIN WITH BACKFAT DEPTH IN A COMPOSITE POPULATION CONTAINING 25% MEISHAN GERMPLASM - (Abstract)

Rohrer, G.A., Nonneman, D.J., Ford, J.J., Wise, T.H. 2004. Association of a polymorphism in thyroxine binding globulin with backfat depth in a composite population containing 25% meishan germplasm. Journal of Animal Science 82(Suppl. 2):42-43.

PARALOGUES OF PORCINE AROMATASE CYTOCHROME P450: A NOVEL HYDROXYLASE ACTIVITY IS ASSOCIATED WITH THE SURVIVAL OF A DUPLICATED GENE - (Peer Reviewed Journal)

CORBIN, C.J., MAPES, S.M., MARCOS, J., SHACKLETON, C.H., MORROW, D., SAFE, S.H., WISE, T., FORD, J.J., CONLEY, A.J. 2004. Paralogues of porcine aromatase cytochrome p450: A novel hydroxylase activity is associated with the survival of a duplicated gene. Endocrinology. 145(5):2157-2164.

FUNCTIONAL VALIDATION OF A POLYMORPHISM FOR TESTSIS SIZE ON THE PORCINE X CHROMOSOME - (Abstract)

Nonneman, D.J., Rohrer, G.A., Ford, J.J., Wise, T.H., Lunstra, D.D. 2004. Functional validation of a polymorphism for testis size on the porcine X chromosome. Plant and Animal Genome Abstracts, W228, p. 62.

MODEL FOR EVALUATION OF TESTICULAR DEVELOPMENT IN BOARS - (Abstract)

Ford, J.J., Lunstra, D.D., Wise, T.H., Rohrer, G.A. 2004. Model for evaluation of testicular development in boars [abstract]. Journal of Animal Science. 82 (Supplement 2):89. (Abstract #247)

TESTIS DEVELOPMENT IN BULLS TREATED WITH A GNRH AGONIST - (Abstract)

Jimenez-Severiano, H., Fitzpatrick, L.A., D'Occhio, M.J., Ford, J.J., Mussard, M.L., Kinder, J.E., Lunstra, D.D. 2003. Testis development in bulls treated with a GnRH agonist [abstract]. Proceedings of the 39th Annual Meeting of Research in Animal Production, October 27-31, 2003, Mexico, DF. Mexico. p. 160.

LACK OF AN ASSOCIATION BETWEEN PLASMA FOLLICLE-STIMULATING HORMONE CONCENTRATIONS AND OVARIAN WEIGHT IN PREPUBERTAL GILTS - (Peer Reviewed Journal)

FORD, J.J., WISE, T.H., CHRISTENSON, R.K. 2004. LACK OF AN ASSOCIATION BETWEEN PLASMA FOLLICLE-STIMULATING HORMONE CONCENTRATIONS AND OVARIAN WEIGHT IN PREPUBERTAL GILTS. JOURNAL OF ANIMAL SCIENCE. v. 82(2). p. 472-478.

ENDOCRINE AND MOLECULAR INFLUENCES ON TESTICULAR DEVELOPMENT IN MEISHAN AND WHITE COMPOSITE BOARS - (Peer Reviewed Journal)

MCCOARD, S.A., WISE, T.H., FORD, J.J. 2003. ENDOCRINE AND MOLECULAR INFLUENCES ON TESTICULAR DEVELOPMENT IN MEISHAN AND WHITE COMPOSITE BOARS. JOURNAL OF ENDOCRINOLOGY. 178(3):405-416.

CHANGES IN THE PLATELET ACTIVATING FACTOR (PAF) CONCENTRATION OF PORCINE SPERMATOZOA DURING MATURATION IN THE EPIDIDYMIS - (Abstract)

DIEHL, J.R., GADDAM, D.R., FORD, J.J., LUNSTRA, D.D. CHANGES IN THE PLATELET ACTIVATING FACTOR (PAF) CONCENTRATION OF PORCINE SPERMATOZOA DURING MATURATION IN THE EPIDIDYMIS [abstract]. BIOLOGY OF REPRODUCTION ABSTRACTS. 68 (Supplement 1):349-350. 2003.

BIOCHEMICAL ASSESSMENT OF LIMITS TO ESTROGEN SYNTHESIS IN PORCINE FOLLICLES - (Peer Reviewed Journal)

CORBIN, C.J., MORAN, F.M., VIDAL, J.D., FORD, J.J., WISE, T.H., MAPES, S.M., NJAR, V.C., BRODIE, A.M., CONLEY, A.J. 2003. BIOCHEMICAL ASSESSMENT OF LIMITS TO ESTROGEN SYNTHESIS IN PORCINE FOLLICLES. BIOLOGY OF REPRODUCTION 69(2):390-397.

GERM CELL DEVELOPMENT IN MEISHAN AND WHITE COMPOSITE GILTS - (Peer Reviewed Journal)

MCCOARD, S.A., WISE, T.H., FORD, J.J. 2003. GERM CELL DEVELOPMENT IN MEISHAN AND WHITE COMPOSITE GILTS. ANIMAL REPRODUCTION SCIENCES. v. 77(1-2). p. 85-105.

REGULATION OF TESTICULAR SIZE IN PIGS: COMPARATIVE GENOMICS APPROACH - (Proceedings/Symposium)

MCCOARD, S.A., WISE, T.H., FAHRENKRUG, S.C., ALEXANDER, L.J., FREKING, B.A., ROHRER, G.A., LUNSTRA, D.D., FORD, J.J. REGULATION OF TESTICULAR SIZE IN PIGS: COMPARATIVE GENOMICS APPROACH. PROCEEDINGS OF 8TH INTERNATIONAL PACIFIC RIM BIOTECHNOLOGY CONFERENCE. 2002. P. 56. AUCKLAND, NEW ZEALAND.

RELATIONSHIPS OF TESTICULAR IRON AND FERRITIN CONCENTRATIONS WITH TESTICULAR WEIGHT AND SPERM PRODUCTION IN BOARS - (Peer Reviewed Journal)

WISE, T.H., LUNSTRA, D.D., ROHRER, G.A., FORD, J.J. 2003. RELATIONSHIPS OF TESTICULAR IRON AND FERRITIN CONCENTRATIONS WITH TESTICULAR WEIGHT AND SPERM PRODUCTION IN BOARS. JOURNAL OF ANIMAL SCIENCE. v. 81 (2). p. 503-511.

SERTOLI CELLS IN THE BOAR TESTIS: CHANGES DURING DEVELOPMENT AND COMPENSATORY HYPERTROPHY AFTER HEMICASTRATION AT DIFFERENT AGES - (Peer Reviewed Journal)

LUNSTRA, D.D., WISE, T.H., FORD, J.J. 2003. SERTOLI CELLS IN THE BOAR TESTIS: CHANGES DURING DEVELOPMENT AND COMPENSATORY HYPERTROPHY AFTER HEMICASTRATION AT DIFFERENT AGES. BIOLOGY OF REPRODUCTION. v. 68(1). p. 140-150.

THE EFFICACY OF PORCINE GONADOTROPINS FOR REPEATED STIMULATION OF OVARIAN ACTIVITY FOR OOCYTE RETRIEVAL AND IN VITRO EMBRYO PRODUCTION AND CRYOPRESERVATION IN SIBERIAN TIGERS (PANTHERA TIGRIS ALTAICA) - (Peer Reviewed Journal)

Crichton, E.G., Bedows, E., Miller-Lindholm, A., Baldwin, D.M., Armstrong, D.L., Graham, L.H., Ford, J.J., Gjorret, J.O., Hyttel, P., Pope, C.E. 2003. The efficacy of porcine gonadotropins for repeated stimulation of ovarian activity for oocyte retrieval and in vitro embryo production and cryopreservation in siberian tigers (panthera tigris altaica). Biology of Reproduction. V. 68(1). 105-113.

EXPRESSION LEVELS OF MULLERIAN-INHIBITING SUBSTANCE, GATA4 AND 17ALPHA-HYDROXYLASE/17,20-LYASE CYTOCHROME P450 DURING EMBRYONIC GONADAL DEVELOPMENT IN TWO DIVERSE BREEDS OF SWINE - (Peer Reviewed Journal)

MCCOARD, S.A., WISE, T.H., FORD, J.J. 2002. EXPRESSION LEVELS OF MULLERIAN-INHIBITING SUBSTANCE, GATA4 AND 17ALPHA-HYDROXYLASE/17,20-LYASE CYTOCHROME P450 DURING EMBRYONIC GONADAL DEVELOPMENT IN TWO DIVERSE BREEDS OF SWINE. JOURNAL OF ENDOCRINOLOGY. v. 175(2). p. 365-374.

CHROMOSOMAL LOCATION, STRUCTURE, AND TEMPORAL EXPRESSION OF THE PLATELET-ACTIVATING FACTOR (PAFR) GENE IN PORCINE ENDOMETRIUM AND EMBRYOS RELATIVE TO ESTROGEN RECEPTOR ALPHA GENE EXPRESSION - (Peer Reviewed Journal)

YANG, W., DIEHL, J.R., YERLE, M., FORD, J.J., CHRISTENSON, R.K., ROUDEBUSH, W.E., PLUMMER, W.E. 2003. CHROMOSOMAL LOCATION, STRUCTURE, AND TEMPORAL EXPRESSION OF THE PLATELET-ACTIVATING FACTOR (PAFR) GENE IN PORCINE ENDOMETRIUM AND EMBRYOS RELATIVE TO ESTROGEN RECEPTOR ALPHA GENE EXPRESSION. Molecular Reproduction and Development. v. 64(1). p. 4-12.

REGULATION OF MICROSOMAL P450, REDOX PARTNER PROTEINS AND STEROIDOGENESIS IN THE DEVELOPING TESTES OF THE NEONATAL PIG - (Peer Reviewed Journal)

MORAN, F.M., FORD, J.J., CORBIN, C.J., MAPES, S.M., NJAR, V.C., BRODIE, A.M., CONLEY, A.J. REGULATION OF MICROSOMAL P450, REDOX PARTNER PROTEINS AND STEROIDOGENESIS IN THE DEVELOPING TESTES OF THE NEONATAL PIG. ENDOCRINOLOGY. 143(9):3361-3369. 2002.

THE EFFECT OF PORCINE OVIDUCTAL FLUID ON IN VITRO DEVELOPMENT TO BLASTOCYST STAGE BY HOMOLOGOUS AND HETEROLOGOUS EMBRYOS - (Abstract)

Stell, S., Ford, J.J., Niaz, M.S., Diehl, J.R., Archibong, A.E. 2002. The effect of porcine oviductal fluid on in vitro development to blastocyst stage by homologous and heterologous embryos [abstract]. Biology of Reproduction Abstracts. 66 (Supplement 1):151.

EFFECT OF PHOTOPERIOD ON PLATELET-ACTIVATING FACTOR CONCENTRATION IN BOAR SPERMATOZOA - (Abstract)

Gaddam, D.R., Diehl, J.R., Ford, J.J., Rathje, T.A. 2002. Effect of photoperiod on platelet-activating factor concentration in boar spermatozoa [abstract]. Biology of Reproduction Abstracts. 66 (Supplement 1):312-313.

ORGANIZATION AND CHROMOSOMAL LOCATION OF PORCINE PLATELET-ACTIVATING FACTOR RECEPTOR (PAFR) GENE AND TEMPORAL EXPRESSION OF PAFR AND ESTROGEN RECEPTOR ALPHA (ER) GENES IN PIG REPRODUCTIVE TISSUES - (Abstract)

Yang, W., Diehl, J.R., Yerle, M., Ford, J.J., Christenson, R.K., Roudebush, W.E., Plummer, W.E. 2002. Organization and chromosomal location of porcine platelet-activating factor receptor (PAFr) gene and temporal expression of PAFr and estrogen receptor alpha (ER) genes in pig reproductive tissues [abstract]. Biology of Reproduction. 66 (Supplement 1):245. (Abstract # 363)