Physiology and Endocrinology: Estrous synchronization and detection of estrus in cattle

Physiology and Endocrinology: Estrous synchronization and detection of estrus in cattle

Section: Physiology and Endocrinology
Format: Posters
Day/Time: Monday 7:30 AM–9:30 AM
Location: Gatlin Ballroom

Please note: last-minute changes to the program may not be reflected here.

#M230
Efficacy of PGF_2α doses to induce luteolysis on day 5, 7, or 9 of estrus cycle in nonlactating Nellore cows.
Marcos V. Biehl

#M231
Addition of gonadotropin-releasing-hormone treatment at the beginning and/or at the end of an estradiol-based protocol for timed artificial insemination in Nelore (Bos indicus) cows.
Carla Cristian Campos

#M232
Using estrus-detection patches to optimally time artificial insemination improved pregnancy rates in suckled beef cows in a timed AI program.
Scott L. Hill

#M233
Treatment of primiparous lactating dairy cows with GnRH before first insemination during summer heat stress.
Benjamin E. Voelz

#M234
Treatment of multiparous lactating dairy cows with GnRH before first insemination during summer heat stress.
Benjamin E. Voelz

#M235
Presynchronization strategy using prostaglandin F_2α and GnRH to improve fertility in a resynchronization program based on detection of estrus.
Luís G. D. Mendonça

#M236
Progesterone concentration at each treatment during an Ovsynch protocol affects fertility to timed AI in lactating Holstein cows.
P. D. Carvalho

#M237
Timed AI improves reproductive performance and reduces cost per pregnancy in dairy heifers.
Jose E. P. Santos

#M238
Addition of a second dose of prostaglandin F_2α to a fixed-time AI protocol improves fertility of anestrous dairy cows.
Francisco R. Lopes

#M239
Effect of a second treatment with prostaglandin F_2α during the Ovsynch protocol on pregnancy to the timed AI.
Fenella Cochrane

#M240
Efficacy of different fixed-time AI protocols using GnRH, estradiol, and progesterone in lactating dairy cows.
Leonardo F. Melo

#M241
The use of a modified 5-day CIDR-Cosynch protocol for resynchronization in lactating dairy cows.
J. A. Spencer

#M242
Assessment of an application for mobile devices developed to evaluate the AI procedure.
Santiago Bas

#M243
Estradiol and GnRH on ovulation induction in crossbred cows estrus synchronized.
Ciro Alexandre Alves Torres

#M244
Effect of estrous synchronization program, season, body condition score and ovarian status on pregnancy rate to fixed-time AI in beef cows.
Federico Randi

#M245
Body weight loss of cows early postpartum is associated with negative effects on estrous expression.
Tracy A. Burnett

#M246
Automated detection of estrus using multiple commercial precision dairy farming technologies in synchronized dairy cows.
L. M. Mayo

#M247
Using the Draminski Estrous Detector in the dry cow to measure electrical resistance of vaginal mucus as it relates to animal factors pre- and postcalving.
Caitlin L. Widener

#M248
Estrus lying behavior of Holstein cows: Risk factors for estrus expression, ovulation risk and pregnancy per AI.
Bruna F. Silper

#M249
Characterization of ovarian function in nonpregnant previously inseminated lactating dairy cows.
Robert Wijma

#M250
The effects of ovulatory status of the dominant follicle and spatial relationship of the corpus luteum on diameter and average growth rate of that dominant follicle.
Ashleigh M. Muth-Spurlock