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Robert Wijma
Robert Wijma
Sr. Scientist, Precision Animal Health. Zoetis
Verified email at cornell.edu
Title
Cited by
Cited by
Year
Use of rumination and activity monitoring for the identification of dairy cows with health disorders: Part III. Metritis
ML Stangaferro, R Wijma, LS Caixeta, MA Al-Abri, JO Giordano
Journal of dairy science 99 (9), 7422-7433, 2016
2052016
Use of rumination and activity monitoring for the identification of dairy cows with health disorders: Part I. Metabolic and digestive disorders
ML Stangaferro, R Wijma, LS Caixeta, MA Al-Abri, JO Giordano
Journal of Dairy Science 99 (9), 7395-7410, 2016
1942016
Reproductive performance of dairy cows managed with a program aimed at increasing insemination of cows in estrus based on increased physical activity and fertility of timed …
JO Giordano, ML Stangaferro, R Wijma, WC Chandler, RD Watters
Journal of Dairy Science 98 (4), 2488-2501, 2015
502015
Extending the duration of the voluntary waiting period from 60 to 88 days in cows that received timed artificial insemination after the Double-Ovsynch protocol affected the …
ML Stangaferro, R Wijma, M Masello, MJ Thomas, JO Giordano
Journal of dairy science 101 (1), 717-735, 2018
452018
Embryo mortality around the period of maintenance of the corpus luteum causes alterations to the ovarian function of lactating dairy cows
R Wijma, ML Stangaferro, MM Kamat, S Vasudevan, TL Ott, JO Giordano
Biology of reproduction 95 (5), 112, 1-14, 2016
432016
Como mejorar la fertilidad de los tratamientos de IATF en vacas Bos taurus
A Menchaca, R Núñez, R Wijma, C García Pintos, F Fabini, T De Castro
10º Simposio Internacional de Reproducción Animal, Córdoba, Argentina, 103-133, 2013
352013
Effects of feeding rumen-protected methionine pre-and postpartum in multiparous Holstein cows: Lactation performance and plasma amino acid concentrations
MZ Toledo, ML Stangaferro, RS Gennari, RV Barletta, MM Perez, R Wijma, ...
Journal of Dairy Science 104 (7), 7583-7603, 2021
302021
Economic performance of lactating dairy cows submitted for first service timed artificial insemination after a voluntary waiting period of 60 or 88 days
ML Stangaferro, R Wijma, M Masello, MJ Thomas, JO Giordano
Journal of dairy science 101 (8), 7500-7516, 2018
302018
A resynchronization of ovulation program based on ovarian structures present at nonpregnancy diagnosis reduced time to pregnancy in lactating dairy cows
R Wijma, MM Perez, M Masello, ML Stangaferro, JO Giordano
Journal of dairy science 101 (2), 1697-1707, 2018
302018
Reproductive management strategies to improve the fertility of cows with a suboptimal response to resynchronization of ovulation
JO Giordano, MJ Thomas, G Catucuamba, MD Curler, M Masello, ...
Journal of dairy science 99 (4), 2967-2978, 2016
302016
Effect of extending the interval from Presynch to initiation of Ovsynch in a Presynch-Ovsynch protocol on fertility of timed artificial insemination services in lactating dairy …
JO Giordano, MJ Thomas, G Catucuamba, MD Curler, R Wijma, ...
Journal of Dairy Science 99 (1), 746-757, 2016
302016
Resynchronization of ovulation protocols for dairy cows including or not including gonadotropin-releasing hormone to induce a new follicular wave: Effects on re-insemination …
R Wijma, ML Stangaferro, M Masello, GE Granados, JO Giordano
Journal of Dairy Science 100 (9), 7613-7625, 2017
292017
Reproductive performance and herd exit dynamics of lactating dairy cows managed for first service with the Presynch-Ovsynch or Double-Ovsynch protocol and different duration of …
ML Stangaferro, R Wijma, M Masello, JO Giordano
Journal of dairy science 101 (2), 1673-1686, 2018
252018
How fertility can be improved in fixed-time AI programs in beef cattle
A Menchaca, R Núñez, R Wijma, C García Pintos, F Fabini, T de Castro
Resúmenes X Simposio Internacional de Reproducción Animal, IRAC, Córdoba …, 2013
242013
Profitability of dairy cows submitted to the first service with the Presynch-Ovsynch or Double-Ovsynch protocol and different duration of the voluntary waiting period
ML Stangaferro, RW Wijma, JO Giordano
Journal of dairy science 102 (5), 4546-4562, 2019
222019
Circulating progesterone dynamics after intravaginal instillation of prostaglandin-F2α to lactating dairy cows
R Wijma, ML Stangaferro, JO Giordano
Theriogenology 85 (9), 1660-1668, 2016
112016
Lactating dairy cows managed for second and greater artificial insemination services with the Short-Resynch or Day 25 Resynch program had similar reproductive performance
MM Pérez, R Wijma, M Scarbolo, E Cabrera, F Sosa, EM Sitko, ...
Journal of dairy science 103 (11), 10769-10783, 2020
92020
Intravaginal instillation of gonadotropin-releasing hormone analogues with an absorption enhancer induced a surge of luteinizing hormone in lactating dairy cows
R Wijma, ML Stangaferro, M Masello, MA Elmetwally, GE Granados, ...
Journal of Dairy Science 100 (9), 7626-7637, 2017
92017
Use of a rumination and activity monitoring for the identification of dairy cows with health disorders
ML Stangaferro, R Wijma, CE Quinteros, MM Medrano, M Masello, ...
J. Dairy Sci 98 (Suppl 2), 506-507, 2015
72015
The effect of culture medium changes on in vitro production of sheep embryos
M Vilariño, M Crispo, P dos Santos-Neto, R Wijma, A Menchaca
Reproduction in Domestic Animals 47, 512-512, 2012
62012
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Articles 1–20