Revisiting the timing of insemination at spontaneous estrus in dairy cattle

F López-Gatius - Animals, 2022 - mdpi.com
cows expressing estrus following FTAI protocols [39,40]. In the present report, findings are
reviewed that could help identify the optimal time of AI in dairy cattle undergoing spontaneous …

[HTML][HTML] Timing of artificial insemination using fresh or frozen semen after automated activity monitoring of estrus in lactating dairy cows

CM Tippenhauer, JL Plenio, AML Madureira… - Journal of Dairy …, 2021 - Elsevier
… the time of AI on P/AI in lactating Holstein cows inseminated with … considering different
characteristics of an estrus event (ie, … cows detected in estrus by an AAM, however, found only few …

[HTML][HTML] … and characterization of estrus alerts and behavioral parameters generated by an ear-attached accelerometer-based system for automated detection of estrus

EM Schilkowsky, GE Granados, EM Sitko… - Journal of Dairy …, 2021 - Elsevier
… for rumination time, because cows detected in estrus by the RTE and AED system and … of
standing behavior, have implications for identifying the optimal timing of insemination for cows

Estrus signs in holstein friesian dairy cows and their reliability for ovulation detection in the context of visual estrus detection

I Gaude, A Kempf, KD Strüve, M Hoedemaker - Livestock science, 2021 - Elsevier
… two (0.7 %) of 301 detected Ov-estrus, the results of the present … present study, visual estrus
detection three times a day for 30 … and artificial insemination of cows in ovulation estrus, we …

[HTML][HTML] Evaluation of infrared thermography combined with behavioral biometrics for estrus detection in naturally cycling dairy cows

HJP Marquez, DJ Ambrose, AL Schaefer, NJ Cook… - Animal, 2021 - Elsevier
… combined in one platform and create estrus alerts more accurately than when … cows) that
can increase the estrus detection rates and identify the optimum time to inseminate dairy cows. …

Automated systems for estrous and calving detection in dairy cattle

CA Santos, NMD Landim, HX Araújo, TP Paim - AgriEngineering, 2022 - mdpi.com
… After the search, the articles found with a title related to the … doors for the for adjusting the
insemination schedule [23,24]. An … Radiotelemetry systems are also commercially used to …

Evaluation of an Ear-attached Sensor for the Characterization and Detection of Estrus Events in Dairy Cattle

E Schilkowsky - 2020 - ecommons.cornell.edu
… to be detected in estrus, potentially delaying insemination and … cows that display estrus during
a short period of time. Thus, … which may increase the proportion of cows detected in estrus; …

Monitoring estrous activity in pasture-based dairy cows

SG Moore, V Aublet, ST Butler - Theriogenology, 2021 - Elsevier
… and inseminating them at the optimal time are critical … were to identify animal characteristics
associated with estrous … reduced when cows were inseminated within 2–4 h of the estrus alert…

Estrus detection methods in dairy animals-advances and the prospects: A review

AR Madkar, P Boro, M Abdullah - Agricultural Reviews, 2022 - indianjournals.com
… Inadequate heat detection has been identified as a major limit to … Estrus detection using
radiotelemetry or visual observation … real-time radiotelemetric pedometer for estrus detection and …

[HTML][HTML] Optimization of timing of insemination of dairy heifers inseminated with sex-sorted semen

RC Chebel, T Cunha - Journal of dairy science, 2020 - Elsevier
… Heifers not detected in estrus received fixed-time insemination 1 (CONV and SSEarly
treatments) and 11 (SSLate treatment) h after a GnRH (Fertagyl; Merck Animal Health, Madison, NJ…