Refereed Publications

82 peer-reviewed publications

Ricci, A., P. D. Carvalho, M. C. Amundson, and P. M. Fricke. 2017. Characterization of luteal dynamics in lactating Holstein cows for 32 days after synchronization of ovulation and timed artificial insemination. J. Dairy Sci. 100:(accepted). 

Barletta, R. V., M. Maturana Filho, P. D. Carvalho, T. A. Del Valle, A. S. Netto, F. P. Rennó, R. D. Mingoti, J. R. Gandra, G. B. Mourão, P. M. Fricke, R. Sartori, E. H. Madureira, and M. C. Wiltbank. 2017. Associations of changes in body condition score during the transition period with NEFA and BHBA concentrations, milk production, fertility, and health of Holstein cows. Theriogenology (in press).

Santos, V. G., P. D. Carvalho, C. Maia, B. Carneiro, A. Valenza, and P. M. Fricke. 2017. Fertility of lactating Holstein cows submitted to a Double-Ovsynch protocol and timed artificial insemination versus artificial insemination after synchronization of estrus at a similar day in milk range. J. Dairy Sci. 100:8507-8517.

Carvalho, P. D., C. C. Consentini, S. R. Weaver, R. V. Barletta, L. L. Hernandez, and P. M. Fricke. 2017. Temporarily decreasing progesterone after timed artificial insemination decreased expression of interferon-tau stimulated gene 15 (ISG15) in blood leukocytes, serum PSPB concentrations, and embryo size in lactating Holstein cows. J. Dairy Sci. 100:3233–3242.

Fricke, P. M., P. D. Carvalho, M. C. Lucy, F. Curran, M. M. Herlihy, S. M. Waters, J. A. Larkin, M. A. Crowe, and S. T. Butler. 2016. Effect of manipulating progesterone before timed artificial insemination on reproductive and endocrine parameters in seasonal-calving pasture-based Holstein-Friesian cows. J. Dairy Sci. 99:6780-6792.

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.

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 artificial insemination. 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 luteinizing hormone content of follicle-stimulating hormone preparations on superovulation and embryo quality in lactating dairy cows. J. Dairy Sci. 97:764-778.

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

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

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 gonadotropin-releasing hormone at the time of insemination in lactating dairy cows. J. Dairy Sci. 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 or gonadotropin-releasing hormone 7 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 gonadotropin-releasing hormone 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, and P. M. Fricke. 2012. Increased fertility in lactating dairy cows resynchronized with Double-Ovsynch when compared with Ovsynch initiated 32 d after timed artificial insemination. 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, pregnancy specific protein B, and progesterone concentrations before and after induction of pregnancy loss in lactating dairy cows. J. Dairy Sci. 95:683-697.

Giordano, J. O., P. M. Fricke, M. C. Wiltbank, and V. E. Cabrera. 2011. An economic decision making support system for selection of reproductive management programs on dairy farms. J. Dairy Sci. 94:6216-6232.

Hackbart, K. S., R. M. Ferreira, A. A. Dietsche, M. T. Socha, R. D. Shaver, M. C. Wiltbank, and P. M. Fricke. 2010. Effect of organic zinc, manganese, copper, and cobalt on milk production, follicular growth, embryo quality, and tissue mineral concentrations in dairy cows. J. Anim. Sci. 88:3856-3870.

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

Grummer, R. R., M. C. Wiltbank, P. M. Fricke, R. D. Watters, and N. Silva del Rio. 2010. Management of dry and transition cows to improve energy balance and reproduction. J. Reprod. Dev. 56:S22-S28.

Silva del Río, N., P. M. Fricke, and R. R. Grummer. 2010. Effects of twin pregnancy and dry period feeding strategy on milk production, energy balance and metabolic profiles in Holstein cows. J. Anim. Sci. 88:1048-1060.

Chebel, R. C., M. J. Al-Hassan, P. M. Fricke, J. E. P. Santos, J. R. Lima, C. A. Martel, J. S. Stevenson, R. Garcia, and R. L. Ax. 2010. Supplementation of progesterone via internal drug release inserts during ovulation synchronization protocols in lactating dairy cows. J. Dairy Sci. 93:922-931.

Bamber R. L., G. E. Shook, M. C. Wiltbank, J. E. P. Santos, and P. M. Fricke. 2009. Genetic parameters for anovulation and pregnancy loss in dairy cattle. J. Dairy Sci. 92:5739-5753.

Silva, E., R. A. Sterry, D. Kolb, N. Mathialagan, M. F. McGrath, J. M. Ballam, and P. M. Fricke. 2009. Effect of interval to resynchronization of ovulation on fertility of lactating Holstein cows when using transrectal ultrasonography or a pregnancy-associated glycoptorein enzyme-linked immunosorbent assay to diagnose pregnancy status. J. Dairy Sci. 92:3643-3650.

Watters, R. D., M. C. Wiltbank, J. N. Guenther, A. E. Brickner, R. R. Rastani, P. M. Fricke, and R. R. Grummer. 2009. Effect of dry period length on reproduction during the subsequent lactation. J. Dairy Sci. 92:3081-3090.

Silva del Río, N., J. Colloton, and P. M. Fricke. 2009. Factors affecting pregnancy loss for single and twin pregnancies in a high-producing dairy herd. Theriogenology 71:1462-1471.

Sterry, R. A., E. Silva, D. Kolb, and P. M. Fricke. 2009. Strategic treatment of anovular dairy cows with GnRH. Theriogenology 71:534-542.

Stevenson, J. S., D. E. Tenhouse, R. L. Krisher, G. C. Lamb, C. R. Dahlen, J. R. Pursley, N. M. Bello, P. M. Fricke, M. C. Wiltbank, D. J. Brusveen, M. Burkhart, R. S. Youngquist, and H. A. Garverick. 2008. Detection of anovulation by heatmount detectors and transrectal ultrasonography before treatment with progesterone in a timed insemination protocol. J. Dairy Sci. 91:2901-2915.

Silva, E., R. A. Sterry, D. Kolb, M. C. Wiltbank, and P. M. Fricke. 2007. Effect of pretreatment with prostaglandin F2α before resynchronization of ovulation on fertility of lactating Holstein cows. J. Dairy Sci. 90:5509-5517.

Silva, E., R. A. Sterry, D. Kolb, N. Mathialagan, M. F. McGrath, J. M. Ballam, and P. M. Fricke. 2007. Accuracy of a pregnancy-associated glycoprotein ELISA to determine pregnancy status of lactating dairy cows twenty-seven days after timed artificial insemination. J. Dairy Sci. 90:4612-4622.

Silva, E. P. B., R. A. Sterry, and P. M. Fricke. 2007. Assessment of a practical method for identifying anovular lactating dairy cows synchronized for first postpartum timed artificial insemination. J. Dairy Sci. 90:3255-3262.

Sterry R. A., P. W. Jardon, and P. M. Fricke. 2007. Effect of timing of Cosynch on fertility of lactating Holstein cows after first postpartum and Resynch timed-AI services. Theriogenology 67:1211-1216.

Chang, Y. M., O. González-Recio, K. A. Weigel, and P. M. Fricke. 2007. Genetic analysis of the twenty-one-day pregnancy rate in US Holsteins using an ordinal censored threshold model with unknown voluntary waiting period. J. Dairy Sci. 90:1987-1997.

Silva del Río, N., S. Stewart, P. Rapnicki, Y. M. Chang, and P. M. Fricke. 2007. An observational analysis of twin births, calf sex ratio, and calf mortality in Holstein dairy cattle. J. Dairy Sci. 90:1255-1264.

Caraviello, D. Z., K. A. Weigel, P. M. Fricke, M. C. Wiltbank, M. J. Florent, N. B. Cook, K. V. Nordlund, N. R. Zwald, and C. M. Rawson. 2006. Survey of management practices on reproductive performance of dairy cattle on large US commercial farms. J. Dairy Sci. 89:4723-4735.

Caraviello, D. Z., K. A. Weigel, M. Craven, D. Gianola, N. B. Cook, K. V. Nordlund, P. M. Fricke, and M. C. Wiltbank. 2006. Analysis of reproductive performance of lactating Holstein cows on large dairy farms using machine learning algorithms. J. Dairy Sci. 89:4703-4722.

Sterry, R. A., M. L. Welle, and P. M. Fricke. 2006. Treatment with gonadotropin-releasing hormone after first timed artificial insemination improves fertility in noncycling lactating dairy cows. J. Dairy Sci. 89:4237-4245.

Roberts, A. J., M. J. Al-Hassan, P. M. Fricke, and S. E. Echternkamp. 2006. Large variation in steroid concentrations and insulin-like growth factor binding proteins exists among individual small antral follicles collected from within cows at various stages of estrous cycle. J. Anim. Sci. 84:2714-2724.

Rivera, H., R. A. Sterry, and P. M. Fricke. 2006. Presynchronization with gonadotropin-releasing hormone does not improve fertility in Holstein heifers. J. Dairy Sci. 89:3810–3816.

Silva del Río, N., B. W. Kirkpatrick, and P. M. Fricke. 2006. Observed frequency of monozygotic twinning in Holstein dairy cattle. Theriogenology 66:1292-1299.

Stevenson, J. S., J. R. Pursley, P. M. Fricke, H. A. Garverick, D. J. Kesler, J. S. Ottobre, and M. C. Wiltbank. 2006. Treatment of cycling and noncycling lactating dairy cows with progesterone during Ovsynch. J. Dairy Sci. 89:2567-2578.

Sterry, R. A., M. L. Welle, and P. M. Fricke. 2006. Effect of interval from timed artificial insemination to initiation of resynchronization of ovulation on fertility of lactating dairy cows. J. Dairy Sci. 89:2099-2109.

Wilson, R. D., P. M. Fricke, M. L. Leibfried-Rutledge, J.J. Rutledge, C. M. Syverson Penfield, and K. A. Weigel. 2006. In vitro production of bovine embryos using sex-sorted sperm. Theriogenology 65:1007-1015.

Lopez, H., D. Z. Caraviello, L. D. Satter, P. M. Fricke, and M. C. Wiltbank. 2005. Relationship between level of milk production and multiple ovulations in lactating dairy cows. J. Dairy Sci. 88:2783-2793.

Rivera, H., H. Lopez, and P. M. Fricke. 2005. Use of intravaginal progesterone-releasing inserts in a synchronization protocol before timed AI and for synchronizing return to estrus in Holstein heifers. J. Dairy Sci. 88:957-968.

Wilson, R. D., K. A. Weigel, P. M. Fricke, J. J. Rutledge, M. L. Leibfried-Rutledge, D. L. Matthews, and V. R. Schutzkus. 2005. In vitro production of Holstein embryos using sex-sorted sperm and oocytes from selected cull cows. J. Dairy Sci. 88:776-782.

Rivera, H., H. Lopez, and P. M. Fricke. 2004. Fertility of Holstein dairy heifers after synchronization of ovulation and timed AI or AI after removed tail chalk. J. Dairy Sci. 87:2051-2061.

Navanukraw, C., L. P. Reynolds, J. D. Kirsch, A. T. Grazul-Bilska, D. A. Redmer, and P. M. Fricke. 2004. A modified presynchronization protocol improves fertility to timed artificial insemination in lactating dairy cows. J. Dairy Sci. 87:1551-1557.

Fricke, P. M., D. Z. Caraviello, K. A. Weigel, and M. L. Welle. 2003. Fertility of dairy cows after resynchronization of ovulation at three intervals after first timed insemination. J. Dairy Sci. 86:3941-3950.

Cordoba, M. C. and P. M. Fricke. 2002. Initiation of the breeding season in a grazing-based dairy by synchronization of ovulation. J. Dairy Sci. 85:1752-1763.

Fricke, P. M. 2002. Scanning the future – Ultrasonography as a reproductive management tool for dairy cattle. J. Dairy Sci. 85:1918-1926.

Cordoba, M. C. and P. M. Fricke. 2001. Evaluation of two hormonal protocols for synchronization of ovulation and timed artificial insemination in dairy cows managed in grazing-based dairies. J. Dairy Sci. 84:2700-2708.

Cordoba, M. C., R. Sartori, and P. M. Fricke. 2001. Assessment of a commercially available Early Conception Factor (ECF) test for determining pregnancy status of dairy cattle. J. Dairy Sci. 84:1884-1889.

Fricke, P. M. 2001. Review: Twinning in dairy cattle. Prof. Anim. Sci. 17:61-67.

Sartori, R., P. M. Fricke, J. C. P. Ferreira, O. J. Ginther, and M. C. Wiltbank. 2001. Follicular deviation and acquisition of ovulatory capacity in bovine follicles. Biol. Reprod. 65:1403-1409.

Wiltbank, M. C., P. M. Fricke, S. Sangritasvong, R. Sartori, and O. J. Ginther. 2000. Mechanisms that prevent and produce double ovulations in dairy cattle. J. Dairy Sci. 83:2998-3007.

Fricke, P. M. and M. C. Wiltbank. 1999. Effect of milk production on the incidence of double ovulation in dairy cows. Theriogenology 52:1133-1143.

Fricke, P. M., J. N. Guenther, and M. C. Wiltbank. 1998. Efficacy of decreasing the dose of GnRH used in a protocol for synchronization of ovulation and timed AI in lactating dairy cows. Theriogenology 50:1275-1284.

Fricke, P. M., M. J. Al-Hassan, A. J. Roberts, L. P. Reynolds, D. A. Redmer, and J. J. Ford. 1997. Effect of gonadotropin treatment on size, number, and cell proliferation of antral follicles in cows. Dom. Anim. Endocrinol. 14:171-180.

Ginther, O. J., M. C. Wiltbank, P. M. Fricke, J. R. Gibbons, and K. Kot. 1996. Minireview: Selection of the dominant follicle in cattle. Biol. Reprod. 55:1187-1194.

Fricke, P. M., J. J. Ford, L. P. Reynolds, and D. A. Redmer. 1996. Growth and cellular proliferation of antral follicles throughout the follicular phase of the estrous cycle in Meishan gilts. Biol. Reprod. 54:879-887.

Jablonka-Shariff, A, P. M. Fricke, A. T. Grazul-Bilska, L. P. Reynolds, and D. A. Redmer. 1994. Size, number, cellular proliferation and atresia of gonadotropin-induced follicles in ewes. Biol. Reprod. 51:531-540.

Zheng, J., P. M. Fricke, L. P. Reynolds, and D. A. Redmer. 1994. Evaluation of growth, cell proliferation and cell death in bovine corpora lutea throughout the estrous cycle. Biol. Reprod. 51:623-632.

Fricke, P. M., J. D. Kirsch, L. P. Reynolds, and D. A. Redmer. 1994. Studies of FSH-P induced follicular growth in cows. Theriogenology 42:43-53.

Fricke, P. M., L. P. Reynolds, and D. A. Redmer. 1993. Effect of human chorionic gonadotropin administered early in the estrous cycle on ovulation and subsequent luteal function in cows. J. Anim. Sci. 71:1242-1246.