Reproduction

Faculty Website

Paul Fricke
Professor of Reproductive Physiology
http://paulfricke.dysci.wisc.edu/

Peer-Reviewed Articles

Santos, V. G., P. D. Carvalho, C. Maia, B. Carneiro, A. Valenza, P. M. Crump, and P. M. Fricke. 2016. Adding a second prostaglandin F2α treatment to but not reducing the duration of a PRID-Synch protocol increases fertility after resynchronization of ovulation in lactating Holstein cows. J. Dairy Sci. 99:3869-3879.

Carvalho, P. D., M. C. Wiltbank, and P. M. Fricke. 2015. Manipulation of progesterone to increase ovulatory response to the first GnRH treatment of an Ovsynch protocol in lactating dairy cows receiving first timed artificial insemination. J. Dairy Sci. 98:8800–8813.

Carvalho, P. D., M. J. Fuenzalida, A. Ricci, A. H. Souza, R. V. Barletta, M. C. Wiltbank, and P. M. Fricke. 2015. Modifications to Ovsynch improve fertility during resynchronization: Evaluation of presynchronization with GnRH 6 days before Ovsynch and addition of a second prostaglandin F2α treatment. J. Dairy Sci. 98:8741–8752.

Fuenzalida, M. J., P. M. Fricke, and P. L. Ruegg. 2015. The association between occurrence and severity of subclinical and clinical mastitis on pregnancies per artificial insemination at first service of Holstein cows. J. Dairy Sci. 98:3791-3805.

Shahinfar, S., J. N. Guenther, D. Page., A. S. Kalantari, V. E. Cabrera, P. M. Fricke, and K. A. Weigel. 2015. Optimization of reproductive management programs using lift chart analysis and cost-sensitive evaluation of classification errors. J. Dairy Sci. 98:3717-3728.

Ricci, A., P. D. Carvalho, M. C. Amundson, R. H. Fourdraine, L. Vincenti, and P. M. Fricke. 2015. Factors associated with pregnancy-associated glycoprotein (PAG) levels in plasma and milk of Holstein cows during early pregnancy and their effect on the accuracy of pregnancy diagnosis. J. Dairy Sci. 98:2502-2514.

Souza, A.H., P.D. Carvalho, A.E. Rozner, L.M. Vieira, K.S. Hackbart, R.W. Bender, A.R. Dresch, J.P. Verstegen, R.D. Shaver and M.C. Wiltbank. 2015. Relationship between circulating anti-Mullerian hormone (AMH) and superovulatory response of high-producing dairy cows. Journal of Dairy Science. 98:169-178.

Pereira, M.H., M.C. Wiltbank, L.F. Barbosa, W.M. Costa, Jr., M.A. Carvalho and J.L. Vasconcelos. 2015. Effect of adding a gonadotropin-releasing-hormone treatment at the beginning and a second prostaglandin F2alpha treatment at the end of an estradiol-based protocol for timed artificial insemination in lactating dairy cows during cool or hot seasons of the year. Journal of Dairy Science. 98:947-959.

Pontes G.C.S., P.L.J. Monteiro, A.B. Prata, M.M. Guardieiro, D.A.M. Pinto, G.O. Fernandez, M.C. Wiltbank, J.E.P. Santos and R. Sartori. 2014. Effect of injectable vitamin E on incidence of retained fetal membranes and reproductive performance of dairy cows. Journal of Dairy Science. 98:2437-2449.

Fuenzalida, M.J., P.M. Fricke and P.L. Ruegg. 2015. The Association between occurrence and severity of subclinical and clinical mastitis on pregnancies per artificial insemination at first service of Holstein cows. J. Dairy Sci. In Press Corrected Proof.

Shahinfar, S., J.N. Guenther, D. Page., A.S. Kalantari, V.E. Cabrera, P.M. Fricke and K.A. Weigel. 2014. Optimization of reproductive management programs using life chart analysis and cost-sensitive evaluation of classification errors. J. Dairy Sci. In Press Corrected Proof.

Ricci, A., P. D. Carvalho, M. C. Amundson, R. H. Fourdraine, L. Vincenti and P. M. Fricke. 2015. Factors associated with pregnancy-associated glycoprotein (PAG) levels in plasma and milk of Holstein cows during early pregnancy and their effect on the accuracy of pregnancy diagnosis. J. Dairy Sci. 98:2502-2514.

Carvalho, P.D., J. N. Guenther, M.J. Fuenzalida, M.C. Amundson, M. C. Wiltbank and P.M. Fricke. 2014. Presynchronization using a modified Ovsynch protocol or a single GnRH injection 7 d before an Ovsynch-56 protocol for submission of lactating dairy cows for first timed AI. J. Dairy Sci. 97:6305-6315.

Carvalho, P.D., K. S. Hackbart, R. W. Bender, G. M. Baez, A. R. Dresch, J. N. Guenther, A. H. Souza and P. M. Fricke. 2014. Use of a single injection of long-acting recombinant bovine FSH to superovulate Holstein heifers: a preliminary study. Theriogenology. 82:481-489.

Fricke, P.M., J.O. Giordano, P.D. Carvalho, A. Valenza, G. Lopes Jr. and M.C. Amundson. 2014. Expression and detection of oestrus in dairy cows: the role of new technologies. Animal. 8:s1, pp. 134-143.

Wiltbank, M.C., A.H. Souza, P.D. Carvalho, A.P. Cunha, J.O. Giordano, P.M. Fricke, G. M. Baez, and M. G. Diskin. 2014. Physiological and practical effects of progesterone on reproduction in dairy cattle. Animal. 8:s1, pp. 70-81.

Carvalho, P. D., A. H. Souza, M. C. Amundson, K. S. Hackbart, M. J. Fuenzalida, M. M. Herlihy, H. Ayres, A.R. Dresch, L.M. Vieira, J. N. Guenther, P. M. Fricke, R.D. Shaver, and M.C. Wiltbank. 2014. Relationships between fertility and postpartum changes in body condition and body weight in lactating dairy cows. J. Dairy Sci. 97:3666-3683.

Fricke, P.M., J.O. Giordano, A. Valenza, G. Lopes Jr., M.C. Amundson, and P.D. Carvalho. 2014. Reproductive performance of lactating dairy cows managed for first service using timed artificial insemination with or without detection of estrus using an activity monitoring system. J. Dairy Sci. 97:2771-2781.

Shahinfar, S., D. Page., J. N. Guenther, V. E. Cabrera, P. M. Fricke, and K. A. Weigel. 2014. Prediction of insemination outcomes in Holstein dairy cattle using alternative machine learning algorithms. J. Dairy Sci. 97:731-742.

Bender, R.W., K.S. Hackbart, A.R. Dresch, P.D. Carvalho, L.M. Vieira, P.M. Crump, J.N. Guenther, P.M. Fricke, R.D. Shaver, D.K. Combs, M.C. Wiltbank. 2014. Effects of acute feed restriction combined with targeted use of increasing LH content of FSH preparations on superovulation and embryo quality in lactating dairy cows. J. Dairy Sci. 97:764-778.

Ferraretto, L.F., H. Gencoglu, K.S. Hackbart, A.B. Nascimento, F. Dalla Costa, R.W. Bender, J.N. Guenther, R.D. Shaver and M.C. Wiltbank. 2014. Effect of feed restriction on reproductive and metabolic hormones in dairy cows. Journal of Dairy Science. 97:754-763.

Nascimento A.B., A.H. Souza, A. Keskin, R. Sartori and M.C. Wiltbank. 2014. Lack of complete regression of the Day 5 CL after one or two doses of PGF2α in nonlactating Holstein cows. Theriogenology. 81:389-395.

Pereira M.H.C., A.D.P. Rodriguez, R.J. De Carvalho, M.C. Wiltbank and J.L.M. Vasconcelos. 2014. Increasing length of an estradiol and progesterone timed artificial insemination protocol decreases pregnancy losses in lactating dairy cows. Journal of Dairy Science. 97:1454-1464.

Souza, A.H., C D. Narciso, E.O.S. Batista, P.D. Carvalho and M.C. Wiltbank. 2014. Effect of uterine environment on embryo production and fertility in cows. Animal Reproduction. 11:159- 167.

Surjus, R.S., A.B. Prata, M. Borsato, F.C. S.Z. Mattos, M.C. Martins da Silveira, G.B. Mourao, A.V. Pires, M.C. Wiltbank and R. Sartori. 2014. In vivo embryo production in cows superovulated 1 or 2 days after ovum pick-up. Reproduction Fertility and Development. 26:527- 532.

Wiltbank, M.C., G.M. Baez, J.L.M. Vasconcelos, M. Pereira, A.H. Souza, R. Sartori, and J.R. Pursley. 2014. The physiology and impact on fertility of the period of proestrus in lactating dairy cows. Animal Reproduction. 11:225-236.

Wiltbank, M.C., A. Garcia-Guerra, P.D. Carvalho, K.S. Hackbart, R.W. Bender, A.H. Souza, M.Z. Toledo, G.M. Baez, R. Surjus and R. Sartori. 2014. Effects of energy and protein nutrition in the dam on embryonic development. Animal Reproduction. 11:168-182.

Wiltbank, M.C., A.H. Souza, P.D. Carvalho, A.P. Cunha, J.O. Giordano, P.M. Fricke, G.M. Baez and M.G. Diskin. 2014. Physiological and practical effects of progesterone on reproduction in dairy cattle. Animal. 8:70-81.

Bilby, T.R., R.G.S. Bruno, K.J. Lager, R.C. Chebel, J.G.N. Moraes, P.M. Fricke, G. Lopes, Jr., J.O. Giordano, J.E.P. Santos, F.S. Lima, S.L. Pulley and J.S. Stevenson. 2013. Supplemental progesterone and timing of resynchronization on pregnancy outcomes in lactating dairy cows. J. Dairy Sci. 96:7032-7042.

Giordano, J.O., P.M. Fricke, S. Bas, R. Pawlisch, J.N. Guenther, A.B. Nascimento and M. C. Wiltbank. 2013. Effect of increasing GnRH and PGF2α dose during Double-Ovsynch on ovulatory response, luteal regression, and fertility of lactating dairy cows. Theriogenology. 80:773-783.

Lopes, G. Jr., J.O. Giordano, A. Valenza, M.M. Herlihy, M.C. Wiltbank and P.M. Fricke. 2013. Effect of timing of initiation of resynchronization and presynchronization with GnRH on fertility of resynchronized inseminations in lactating dairy cows. J. Dairy Sci. 96:3788-3798.

Giordano, J.O., P.M. Fricke and V.E. Cabrera. 2013. Economics of resynchronization strategies including chemical tests to identify non-pregnant cows. J. Dairy Sci. 96:949-961.

Wiltbank, M.C. and J.R. Pursley. 2013. The cow as an induced ovulator: Timed AI after synchronization of ovulation. Theriogenology. 81:170-185.

Ayres, H., R.M. Ferreira, A.P. Cunha, R.R. Araujo, and M.C. Wiltbank. 2013. Double-Ovsynch in high-producing dairy cows: Effects on progesterone concentrations and ovulation to GnRH treatments. Theriogenology. 79:159-164.

Haughian, J.M, O.J. Ginther, F.J. Diaz, and M.C. Wiltbank. 2013. Gonadotropin-Releasing Hormone, Estradiol, and Inhibin Regulation of Follicle-Stimulating Hormone and Luteinizing Hormone Surges: Implications for Follicle Emergence and Selection in Heifers. Biology of Reproduction. 88:1-10. – 165-177.

Penagaricano, F., Souza, A.H., Carvalho, P.D., Driver, A.M., Gambra, R., Kropp, J., Hackbart, K.S., Luchini, D., Shaver, R.D., Wiltbank, M.C. Khatib, H. 2013. Effect of Maternal Methionine Supplementation on the Transcriptome of Bovine Preimplantation Embryos. PLOS One. 8:E72302.

Carvalho, P.D., Souza, A.H., Sartori, R., Hackbart, K.S., Dresch, A.R., Vieira, L.M., Baruselli, P.S., Guenther, J.N., Fricke, P.M., Shaver, R.D., Wiltbank, M.C. 2013. Effects of deep-horn AI on fertilization and embryo production in superovulated cows and heifers. Theriogenology. 80:1074-1081.

Piccinato C.A., Rosa G.J.M., N’Jai A.U., Jefcoate C.R., Wiltbank MC. 2013. Estradiol and Progesterone Exhibit Similar Patterns of Hepatic Gene Expression Regulation in the Bovine Model. PLOS ONE 8:e73552.

Hackbart, K.S., Cunha, P.M., Meyer, R.K., Wiltbank, M.C. 2013. Effect of Glucocorticoid-Induced Insulin Resistance on Follicle Development and Ovulation. Biology of Reproduction. 88:1-12.

Diaz, F. J., W. Luo and M. C. Wiltbank. 2013. Prostaglandin F2alpha regulation of mRNA for activating protein 1 transcriptional factors in porcine corpora lutea (CL): lack of induction of JUN and JUND in CL without luteolytic capacity. Domestic Animal Endocrinology. 44:98-108.

Nascimento A.B., A.H. Souza, R. Sartori and M.C. Wiltbank. 2013. Progesterone production and metabolism and its role before, during, and after artificial insemination influencing the fertility of high producing dairy cows. Acta Scientiae Veterinariea. 41:1-14.

Nascimento, A.B., A.H. Souza, J.N. Guenther, F.P.D. Costa, R. Sartori and M.C. Wiltbank. 2013. Effects of treatment with human chorionic gonadotrophin or intravaginal progesterone-releasing device after AI on circulating progesterone concentrations in lactating dairy cows. Reproduction, Fertility and Development. 25:818-824.

Nascimento, A.B., R.W. Bender, A.H. Souza, H. Ayres, R.R. Araujo, J.N. Guenther, R. Sartori and M.C. Wiltbank. 2013. Effect of treatment with human chorionic gonadotropin on day 5 after timed artificial insemination on fertility of lactating dairy cows. Journal of Dairy Science. 96:2873-2882.

Pereira, M.H.C., A.D.P. Rodrigues, T. Martins, W.V.C. Oliveira, P.S.A. Silveira, M.C. Wiltbank and J.L.M. Vasconcelos. 2013. Timed artificial insemination programs during the summer in lactating dairy cows: Comparison of the 5-d Cosynch protocol with an estrogen/progesterone-based protocol. Journal of Dairy Science. 96:6904-6914.

Pereira, M.H.C., C.P. Sanches, T.G. Guida, A.D.R. Rodrigues, F.L. Aragon, M.B. Veras, P. T. Borges, M.C. Wiltbank and J.L.M. Vasconcelos. 2013. Timing of prostaglandin F-2 alpha treatment in an estrogen-based protocol for timed artificial insemination or timed embryo transfer in lactating dairy cows. Journal of Dairy Science. 96:2837-2846.

Vasconcelos, J.L.M., M.H.C. Pereira, M. Meneghetti, C.C. Dias, O.G. SaFilho, R.F.G. Peres, A.D.P. Rodrigues and M.C. Wiltbank. 2013. Relationships between growth of the preovulatory follicle and gestation success in lactating dairy cows. Animal Reproduction. 10:206- 214.

Wiltbank, M.C., Souza, A.H., Giordano, J.O., Nascimento, A.B., Vasconcelos, J.M., Pereira, M.H.C., Fricke, P.M., Surjus, R.S., Zinsly, F.C.S., Carvalho, P.D., Bender, R.W., Sartori, R. 2012. Positive and negative effects of progesterone during timed AI protocols in lactating dairy cattle. Animal Reproduction. 9:231-241.

Atli, M.O., Bender, R.W., Mehta, V., Bastos, M.R., Luo, W., Vezina, C.M., Wiltbank, M.C. 2012. Patterns of Gene Expression in the Bovine Corpus Luteum Following Repeated Intrauterine Infusions of Low Doses of Prostaglandin F2alpha. Biology of Reproduction. 86:1-13.

Herlihy, M.M., Giordano, J.O., Souza, A.H., Ayres, H., Ferreira, R.M., Keskin, A., Nascimento, A.B., Guenther, J.N., Gaska, J.M., Kacuba, S.J., Crowe, M.A., Butler, S.T., Wiltbank, M.C. 2012. Presynchronization with Double-Ovsynch improves fertility at first postpartum artificial insemination in lactating dairy cows. J. Dairy Sci. 95:7003-7014.

Valenza, A., J. O. Giordano, G. Lopes Jr., L. Vincenti, M. C. Amundson, and P. M. Fricke. 2012. Assessment of an accelerometer system for detection of estrus and for treatment with GnRH at the time of insemination in lactating dairy cows. J. Dairy Sci. 95:7115-7127.

Diaz, F.J., Luo, W., Wiltbank, M.C. 2010. Effect of Decreasing Intraluteal Progesterone on Sensitivity of the Early Porcine Corpus Luteum to the Luteolytic Actions of Prostaglandin F2alpha. Biology of Reproduction. 84:26-33.

Nascimento, A.B., Bender, R.W., Souza, A.H., Ayres, H., Araujo, R.R., Guenther, J.N., Sartori, R., Wiltbank, M.C. 2013. Effect of treatment with human chorionic gonadotropin on day 5 after timed artificial insemination on fertility of lactating dairy cows. J. Dairy Sci. 96:2873-2882.

Giordano, J.O., Wiltbank, M.C., Fricke, P.M., Santiago, B., Pawlisch, R., Guenther, J.N., Nascimento, A.B. 2013. Effect of increasing GnRH and PGF2a dose during Double-Ovsynch on ovulatory response, luteal regression, and fertility of lactating dairy cows. Theriogenology. 80:773-783.

Lopes Jr, G., Giordano, J.O., Valenza, A., Herlihy, M.M., J.N. Guenther, Wiltbank, M.C., Fricke, P.M. 2013. Effect of timing of initiation of resynchronization and presynchronization with gonadotropin-releasing hormone on fertility of resynchronized inseminations in lactating dairy cows. J. Dairy Sci. 96:3788-3798.

Gumen, A., A. Keskin, G. Yilmazbas-Mecitoglu, E. Karakaya, A. Alkan, H. Okut and M.C. Wiltbank. 2012. Effect of presynchronization strategy before Ovsynch on fertility at first service in lactating dairy cows. Theriogenology. 78:1830-1838.

Bilby, T.R., Bruno, R.G.S., Lager, K.J., Chebel, R.C., Moraes, J.G.N., Fricke, P.M., Lopes Jr, G., Giordano, J.O., Santos, J.E.P., Lima, F.S., Stevenson, J.S., Pulley, S.L. 2013. Supplemental progesterone and timing of resynchronization on pregnancy outcomes in lactating dairy cows. J. Dairy Sci. 96:7032-7042.

Valenza, A., Giordano, J.O., Lopes Jr., G., Vincenti, L., Amundson, M.C., Fricke, P.M. 2012. Assessment of an accelerometer system for detection of estrus and treatment with gonadotropin-releasing hormone at the time of insemination in lactating dairy cows. Journal of Dairy Science. 95:7115-7127.

Andreu-Vázquez, C., I. Garcia-Ispierto, S. Ganau, P. M. Fricke and F. López-Gatius. 2012. Effects of twinning on the subsequent reproductive performance and productive lifespan of high-producing dairy cows. Theriogenology. 78:2061-2070.

Giordano, J. O., M. C. Wiltbank, J. N. Guenther, M. S. Ares, G, Lopes Jr., M. M. Herlihy, and P. M. Fricke. 2012. Effect of presynchronization with human chorionic gonadotropin (hCG) or GnRH seven days before resynchronization of ovulation on fertility in lactating dairy cows. J. Dairy Sci. 95:5612-5625.

Giordano, J. O., A. S. Kalantari, P. M. Fricke, M. C. Wiltbank, and V. E. Cabrera. 2012. A daily herd Markov-chain model to study the reproductive and economic impact of reproductive programs combining timed artificial insemination and estrous detection. J. Dairy Sci. 95:5442-5460.

Giordano, J. O., P. M. Fricke, J. N. Guenther, G. Lopes Jr., M. M. Herlihy, A. B. Nascimento, and M. C. Wiltbank. 2012. Effect of progesterone on magnitude of the luteinizing hormone surge induced by two different doses of GnRH in lactating dairy cows. J. Dairy Sci. 95:3781-3793.

Giordano, J. O., M. C. Wiltbank, and P. M. Fricke. 2012. Humoral immune response in lactating dairy cows after repeated exposure to human chorionic gonadotropin. Theriogenology. 78:218-224.

Giordano, J.O., M.C. Wiltbank, J.N. Guenther, R. Pawlisch, S. Bas, A.P. Cunha, P.M. Fricke. 2012. Increased fertility in lactating dairy cows resynchronized with Double-Ovsynch when compared to Ovsynch initiated 32 d after Timed AI. J. Dairy Sci. 95:639-653.

Giordano, J.O., J.N. Guenther, G. Lopes Jr., and P.M. Fricke. 2012. Changes in serum pregnancy-associated glycoprotein (PAG) pregnancy specific protein B (PSPB), and progesterone concentrations before and after induction of pregnancy loss in lactating dairy cows. J. Dairy Sci. 95:683-697.

Driver A.M., F. Penagaricano, W. Huang, K.R. Ahmad, K.S. Hackbart, M.C. Wiltbank, and H. Khatib. 2012. RNA-Seq analysis uncovers transcriptomic variations between morphologically similar in vivo- and in vitro-derived bovine blastocysts. BMC genomics. 13:118.

Wiltbank, M.C., A.H. Souza, P.D. Carvalho, R.W. Bender and A.B. Nascimento. 2012. Improving fertility to timed artificial insemination by manipulation of circulating progesterone concentrations in lactating dairy cattle. Reproduction, Fertility and Development. 24:238-243.

Wiltbank, M.C., S.M. Salih, M.O. Atli, W. Luo, C.L. Bormann, J.S. Ottobre, C.M. Vezina, V. Mehta, F.J. Diaz, S.J. Tsai and R. Sartori. 2012. Comparison of endocrine and cellular mechanisms regulating the CL of primates and ruminants. Animal Reproduction. 9:242-259.

Giordano, J.O., Guenther, J.N., Lopes Jr. G., Fricke, P.M. 2011. Changes in serum pregnancy-associated glycoprotein, pregnancy-specific  protein B, and progesterone concentrations before and after induction of pregnancy loss in lactating dairy cows. J. Dairy Sci. 95:683-697.

Bork, N.R., Schroeder, J.W., Lardy, G.P., Vonnahme, K.A., Bauer, M.L., Buchanan, D.S., Shaver, R.D., Fricke, P.M. 2010. Effect of feeding rolled flaxseed on milk fatty acid profiles and reproduction performance of dairy cows. Journal of Animal Science. 88:3739-3748.

Luo, W., Gumen, A., Haughian, J.M., Wiltbank, M.C. 2010. The Role of Luteinizing Hormone in Regulating Gene Expression During Selection of a Dominant Follicle in Cattle. Biology of Reproduction. 

Souza, A.H., Ayres, H., Ferreira, R.M., Wiltbank, M.C. 2008. A new presynchronization system (Double-Ovsynch) increases fertility at first postpartum timed AI in lactating dairy cows. Theriogenology. 70:208-215.

Silva del Rio, N., Stewart, S., Rapnicki, P., Chang, Y.M., Fricke, P.M. 2006. An Observational Analysis of Twin Births, Calf Sex Ratio,and Calf Mortality in Holstein Dairy Cattle. J. Dairy Sci. 90:1255-1264.

Extension Papers

Fricke, Paul M. Strategies for Resynchronizatio of Ovulation and Timed AI.

Fricke, Paul M. Reproductive Challenges of High Producing Dairy Cows.

Fricke, Paul M. Setting up Cows for First Postpartum Artificial Insemination.

Fricke, Paul M. Use of Chemical Tests for Pregnancy Diagnosis in a Reproductive Management Program.

Fricke, Paul M. Twinning in Dairy Cattle.

Book Chapters

Fricke, P. M., A. Ricci, J. O. Giordano, and P. D. Carvalho. 2016. Methods for and implementation of pregnancy diagnosis in dairy cows. Vet. Clin. Food Anim. 32:165-180.

Conference Proceedings

Fricke, P. M., M. C. Wiltbank, P. D. Carvalho, and J. O. Giordano. 2016. Fertility programs to achieve high 21-d pregnancy rates in high-producing dairy herds. Proc. Central Canadian Veterinary Conference, February 5, Winnipeg, MB.

Fricke, P. M., A. Ricci, and P. D. Carvalho. 2016. Factors associated with pregnancy-associated glycoprotein levels in plasma and milk of Holstein cows during early pregnancy and their impact on the accuracy of pregnancy diagnosis. Proc. Central Canadian Veterinary Conference, February 5, Winnipeg, MB.

Fricke, P. M., A. Ricci, P. D. Carvalho, and M. C. Amundson. 2015. Milk vs Blood – which is best for PAG pregnancy prediction? Proc. Western Dairy Management Conference.

Fricke, P. M. 2013. Five Keys for Reproductive Success.

Fricke, P. M. 2013. New Technologies to Improve Dairy Cattle Reproduction. Proc. Western Dairy Management Conference.

Fricke, P. M. 2009. When to Preg Check and Why. Proc. Dairy Cattle Reproduction Council Annual Meeting.

Popular Press Articles

Fricke, Paul M. 2011. Seven musts for getting cows bred. Hoard’s Dairyman. 10 March 2011.