Colazo, M.G., Behrouzi, A., and Gobikrushanth, M. (2024) Comparison of two intravaginal progesterone-releasing devices in lactating Holstein cows synchronized with a 5-d GnRH-based timed-AI protocol. Theriogenology, 229. pp. 83-87.

Gobikrushanth, Mohanathas, Dos Santos, Scott J., Champika, Fernando, Hill, Janet E., and Dadarwal, Dinesh (2024) Uterine microbial profiles in healthy postpartum dairy cows do not vary with sampling techniques or phases of estrous cycle. Theriogenology, 214. pp. 298-306.

Gobikrushanth, M., Mapletoft, R.J., and Colazo, M.G. (2023) Estrous activity and pregnancy outcomes in Holstein heifers subjected to a progesterone based 5-d CO-Synch protocol with or without administration of initial GnRH. Theriogenology, 202. pp. 36-41.

Rajesh, I., Colazo, M.G., Gobikrushanth, M., Carelli, J.E., Oba, M., and Ambrose, D.J. (2023) Superovulatory response, anti-Müllerian hormone concentration and antral follicle count in Holstein cattle with short or long anogenital distance. Theriogenology, 195. pp. 249-256.

Colazo, M.G., Behrouzi, A., Gobikrushanth, M., and Mapletoft, R.J. (2023) A high dose of initial GnRH increased ovulatory response and fertility in Holstein heifers subjected to a progesterone based 5-d CO-Synch protocol. Theriogenology, 206. pp. 11-17.

Macmillan, K., Gobikrushanth, M., and Colazo, M.G. (2022) Activity and rumination changes as predictors of calving in primiparous and multiparous Holstein cows. Livestock Science, 260. 104944.

Madureira, A.M.L., Burnett, T.A., Carrelli, J.E., Gobikrushanth, M., Cerri, R.L.A., and Ambrose, D.J. (2022) Anogenital distance is associated with postpartum estrous activity, intensity of estrous expression, ovulation, and progesterone concentrations in lactating Holstein cows. Journal of Dairy Science, 105. pp. 8523-8534.

Carelli, J.E., Gobikrushanth, M., Corpron, M., Sandberg, W., Rajesh, I., Ahmadzadeh, A., Oba, M., and Ambrose, D.J. (2022) Associations between anogenital distance and measures of fertility in lactating North American Holstein cows: A validation study. Journal of Dairy Science, 105 (7). pp. 6339-6352.

Engelking, L.E., Gobikrushanth, M., Oba, M., and Ambrose, D.J. (2022) Effects of dietary butyrate supplementation and oral nonsteroidal antiinflammatory drug administration on uterine inflammation and interval to first ovulation in postpartum dairy cows. JDS Communications, 3. pp. 362-367.

Rajesh, I., Gobikrushanth, M., Carelli, J.E., Oba, M., and Ambrose, D.J. (2022) Repeatability of anogenital distance measurements from birth to maturity and at different physiological states in female Holstein cattle. Journal of Dairy Science, 105. pp. 2699-2707.

Gobikrushanth, Mohanathas, Zachar, Erin K., Singh, Navgeet, Schumann, Fritz, and Dardawal, Dinesh (2022) Theriogenology Question of the Month. Journal of the American Veterinary Medical Association, 260 (2). pp. 170-173.

Sanz, Albina, Gobikrushanth, Mohanathas, and Colazo, Marcos G. (2022) Type of CIDR but not eCG administration affected pregnancy per AI in Holstein heifers subjected to a 5-day estrus synchronization protocol. Journal of Applied Animal Research, 50 (1). pp. 504-510.

Zwiefelhofer, E.M., Macmillan, K., Gobikrushanth, M., Adams, G.P., Yang, S.X., Anzar, M., Asai-Coakwell, M., and Colazo, M.G. (2021) Comparison of two intravaginal progesterone-releasing devices in shortened-timed artificial insemination protocols in beef cattle. Theriogenology, 168. pp. 75-82.

MacMillan, K., Boyda, A., Gobikrushanth, M., Plastow, G., and Colazo, M.G. (2021) Economic comparison of an ear tag automated activity monitor for estrus detection with timed-AI in Holstein heifers. Theriogenology, 175. pp. 155-162.

Macmillan, K., Gobikrushanth, M., Plastow, G., and Colazo, M.G. (2021) Natural versus induced estrus indicators of Holstein heifers determined by an automated activity monitoring system. Livestock Science, 249. 104514.

MacMillan, Kira, Gobikrushanth, Mohanathas, Behrouzi, Amir, Hoff, Brent, and Colazo, Marcus G. (2021) Prevalence of early postpartum health disorders in Holstein cows and associations with production, reproduction, and survival outcomes on Alberta dairy farms / Prevalence des troubles dc sant post-partum precoces chez les vaches Holstein et associations avee les r&ultats de production, de reproduction et de survic dans les fermes laitieres de I'Alberta. Canadian Veterinary Journal, 62 (3). pp. 273-280.

Carelli, J.E., Gobikrushanth, M., Corpron, M., Rajesh, I., Sandberg, W., Colazo, M.G., Ahmadzadeh, A., Oba, M., and Ambrose, D.J. (2021) Relationship of anogenital distance with fertility in nulliparous Holstein heifers. Journal of Dairy Science, 104 (7). pp. 8256-8264.

Macmillan, K., Gobikrushanth, M., Mapletoft, R.J., and Colazo, M.G. (2021) The effect of altering the timing of GnRH administration and artificial insemination in a modified 5-d CO-Synch protocol using sex-sorted semen in dairy heifers. Theriogenology, 159. pp. 53-59.

Gobikrushanth, M., Macmillan, K., Behrouzi, A., López-Helguera, I., Hoff, B., and Colazo, M.G. (2020) Circulating Ca and its relationship with serum minerals, metabolic and nutritional profiles, health disorders, and productive and reproductive outcomes in dairy cows. Livestock Science, 233. 103946.

Macmillan, K., Gobikrushanth, M., Sanz, A., Bignell, D., Boender, G., Macrae, L., Mapletoft, R.J., and Colazo, M.G. (2020) Comparison of the effects of two shortened timed-AI protocols on pregnancy per AI in beef cattle. Theriogenology, 145. pp. 85-91.

Macmillan, K., Gobikrushanth, M., Plastow, G., and Colazo, M.G. (2020) Performance and optimization of an ear tag automated activity monitor for estrus prediction in dairy heifers. Theriogenology, 155. pp. 197-204.

Macmillan, K., Gobikrushanth, M., Lopez Helguera, I., Behrouzi, A., and Colazo, M.G. (2020) Relationships between early postpartum nutritional and metabolic profiles and subsequent reproductive performance of lactating dairy cows. Theriogenology, 151. pp. 52-57.

Macmillan, K., Gobikrushanth, M., Behrouzi, A., López-Helguera, I., Cook, N., Hoff, B., and Colazo, M.G. (2020) The association of circulating prepartum metabolites, minerals, cytokines and hormones with postpartum health status in dairy cattle. Research in Veterinary Science, 130. pp. 126-132.

Gobikrushanth, M., Macmillan, K., Hipkin, D., and Colazo, M.G. (2020) The relationships among sire's predicted transmitting ability for daughter pregnancy rate and cow conception rate and daughter's reproductive performance in Canadian Holstein cows. Theriogenology, 149. pp. 117-122.

Gobikrushanth, M., Purfield, D.C., Canadas, E.R., Herlihy, M.M., Kenneally, J., Murray, M., Kearney, F.J., Colazo, M.G., Ambrose, D.J., and Butler, S.T. (2019) Anti-Müllerian hormone in grazing dairy cows: Identification of factors affecting plasma concentration, relationship with phenotypic fertility, and genome-wide associations. Journal of Dairy Science, 102. pp. 11622-11635.

Rojas Canadas, E., Gobikrushanth, M., Fernandez, P., Kenneally, J., Lonergan, P., and Butler, S.T. (2019) Evaluation of alternative strategies to treat anoestrous dairy cows and implications for reproductive performance in pasture-based seasonal calving herds: A pilot study. Theriogenology, 127. pp. 130-136.

Dutra, P.A., Pinto, L.F.B., Cardoso Neto, B.M., Gobikrushanth, M., Barbosa, A.M., and Barbosa, L.P. (2019) Flaxseed improves embryo production in Boer goats. Theriogenology, 127. pp. 26-31.

Bruinjé, T.C., Colazo, M.G., Ribeiro, E.S., Gobikrushanth, M., and Ambrose, D.J. (2019) Using in-line milk progesterone data to characterize parameters of luteal activity and their association with fertility in Holstein cows. Journal of Dairy Science, 102. pp. 780-798.

Gobikrushanth, M., Macmillan, K., Behrouzi, A., Hoff, B., and Colazo, M.G. (2019) The factors associated with postpartum body condition score change and its relationship with serum analytes, milk production and reproductive performance in dairy cows. Livestock Science, 228. pp. 151-160.

Gobikrushanth, M., Purfield, D.C., Kenneally, J., Doyle, R.C., Holden, S.A., Martinez, P.M., Rojas Canadas, E., Bruinjé, T.C., Colazo, M.G., Ambrose, D.J., and T.C. (2019) The relationship between anogenital distance and fertility, and genome-wide associations for anogenital distance in Irish Holstein-Friesian cows. Journal of Dairy Science, 102 (2). pp. 1702-1711.

Gobikrushanth, M., Purfield, D.C., Colazo, M.G., Butler, S.T., Wang, Z., and Ambrose, D.J. (2018) The relationship between serum anti-Müllerian hormone concentrations and fertility, and genome-wide associations for anti-Müllerian hormone in Holstein cows. Journal of Dairy Science, 101. pp. 7563-7574.

Gobikrushanth, M., Purfield, D.C., Colazo, M.G., Wang, Z., Butler, S.T., and Ambrose, D.J. (2018) The relationship between serum insulin-like growth factor-1 (IGF-1) concentration and reproductive performance, and genome-wide associations for serum IGF-1 in Holstein cows. Journal of Dairy Science, 101 (10). pp. 9154-9167.

Macmillan, K., López Helguera, I., Behrouzi, A., Gobikrushanth, M., Hoff, B., and Colazo, M.G. (2017) Accuracy of a cow-side test for the diagnosis of hyperketonemia and hypoglycemia in lactating dairy cows. Research in Veterinary Science, 115. pp. 327-331.

Gobikrushanth, M., Bruinjé, T.C., Colazo, M.G., Butler, S.T., and Ambrose, D.J. (2017) Characterization of anogenital distance and its relationship to fertility in lactating Holstein cows. Journal of Dairy Science, 100. pp. 9815-9823.

Gobikrushanth, M., Dutra, P.A., Bruinjé, T.C., Colazo, M.G., Dutra, P.A., and Ambrose, D.J. (2017) Characterization of the variability and repeatability of gonadotropin-releasing hormone–induced luteinizing hormone responses in dairy cows within a synchronized ovulation protocol. Journal of Dairy Science, 100 (8). pp. 6753-6762.

Bruinje, Tony C., Gobikrushanth, Mohanathas, Colazo, Marcus G., and Ambrose, Divakar J. (2017) Dynamics of pre- and post-insemination progesterone profiles and insemination outcomes determined by an in-line milk analysis system in primiparous and multiparous Canadian Holstein cows. Theriogenology, 102. pp. 147-153.

Salehi, Reza, Colazo, Maros G., Gobikrushanth, Mohanathas, Basu, Urmila, and Ambrose, Divakar J. (2017) Effects of prepartum oilseed supplements on subclinical endometritis, pro-and anti-inflammatory cytokine transcripts in endometrial cells and postpartum ovarian function in dairy cows. Reproduction, Fertility and Development, 29. pp. 747-758.

Bruinjé, Tony C., Colazo, Marcos G., Gobikrushanth, Mohanathas, and Ambrose, Divakar J. (2017) Relationships among early postpartum luteal activity, parity, and insemination outcomes based on in-line milk progesterone profiles in Canadian Holstein cows. Theriogenology, 100. pp. 32-41.

Gobikrushanth, M., Dutra, P.A., Bruinje, T.C., Colazo, M.G., Butler, S.T., and Ambrose, D.J. (2017) Repeatability of antral follicle counts and anti-Müllerian hormone and their associations determined at an unknown stage of follicular growth and an expected day of follicular wave emergence in dairy cows. Theriogenology, 92. pp. 90-94.

Gobikrushanth, M., Salehi, R., Ambrose, D.J., and Colazo, M.G. (2016) Categorization of endometritis and its association with ovarian follicular growth and ovulation, reproductive performance, dry matter intake, and milk yield in dairy cattle. Theriogenology, 86. pp. 1842-1849.

Subramaniam, E., Colazo, M.G., Gobikrushanth, M., Sun, Y.Q., Ruiz-Sanchez, A.L., Ponce-Barajas, P., Oba, M., and Ambrose, D.J. (2016) Effects of reducing dietary starch content by replacing barley grain with wheat dried distillers grains plus solubles in dairy cow rations on ovarian function. Journal of Dairy Science, 99. pp. 2762-2774.

Ambrose, Divakar J., Gobikrushanth, Mohanathas, Zuidhof, Sjoert, and Kastelic, John P. (2015) Low-dose natural prostaglandin F2α (dinoprost) at timed insemination improves conception rate in dairy cattle. Theriogenology, 83. pp. 529-534.

Jeon, Soo Jin, Vieira-Neto, Achilles, Gobikrushanth, Mohanathas, Daetz, Rodolfo, Mingoti, Rodolfo D., Brigolin Parize, Ana Carolina, Lucas de Freitas, Sabrina, Lima de Costa, Antonio Nelson, Bicalho, Rodrigo C., Lima, Svetlana, Jeong, K. Casey, and Galvão, Klibs N. (2015) Uterine microbiota progression from calving until establishment of metritis in dairy cows. Applied and Environmental Microbiology, 81 (18). pp. 6324-6332.

Gobikrushanth, M., De Vries, A., Santos, J.E.P., Risco, C.A., and Galvão, K.N. (2014) Effect of delayed breeding during the summer on profitability of dairy cows. Journal of Dairy Science, 97. pp. 4236-4246.

Bittar, J.H., Pinedo, P.J., Risco, C.A., Santos, J.E.P., Thatcher, W.W., Hencken, K.E., Croyle, S., Gobikrushanth, M., Barbosa, C.C., Vieira-Neto, A., and Galvão, K.N. (2014) Inducing ovulation early postpartum influences uterine health and fertility in dairy cows. Journal of Dairy Science, 97 (6). pp. 3558-3569.