Sperm dosage and site of insemination in relation to fertility in bovines

TK Mohanty, SA Lone, A Kumaresan… - Asian Pacific Journal …, 2018 - journals.lww.com
Low sperm numbers in artificial insemination (AI)-doses are being used widely to make the
best use of high genetic value bulls as well as sex-sorted semen. Sperm concentration …

The reproductive success of bovine sperm after sex-sorting: A meta-analysis

S Reese, MC Pirez, H Steele, S Kölle - Scientific Reports, 2021 - nature.com
In the three decades since its inception, the sex-sorting technology has progressed
significantly. However, field studies report conflicting findings regarding reproductive …

Sexed semen technology for cattle breeding: an interpretative review on its performance, and implications for India's dairy economy

A Thakur, PS Birthal - Agricultural Economics Research Review, 2023 - indianjournals.com
Sexed semen is an innovative biotechnological tool for improving the production efficiency,
reproductive performance and economics of dairy farms. Despite these benefits, the …

Evaluation of SexedULTRA 4M™ sex-sorted semen in timed artificial insemination programs for mature beef cows

JM Thomas, JWC Locke, RC Bonacker, ER Knickmeyer… - Theriogenology, 2019 - Elsevier
An experiment was designed to compare fertility of SexedULTRA 4M™ sex-sorted semen
and conventional, non-sex-sorted semen following either fixed-time artificial insemination …

Effective use of SexedULTRA™ sex-sorted semen for timed artificial insemination of beef heifers

JM Thomas, JWC Locke, R Vishwanath, JB Hall… - Theriogenology, 2017 - Elsevier
An experiment was designed to evaluate the relative fertility of SexedULTRA TM sex-sorted
semen compared to conventional, non-sex-sorted semen when used among beef heifers in …

[HTML][HTML] Equine chorionic gonadotropin improves the efficacy of a timed artificial insemination protocol in buffalo during the nonbreeding season

NAT Carvalho, JG Soares, RM Porto Filho… - Theriogenology, 2013 - Elsevier
Two experiments were conducted to evaluate the effects of equine chorionic gonadotropin
(eCG) treatment on ovarian follicular response, luteal function, and pregnancy in buffaloes …

Effect of uterine size on fertility of lactating dairy cows

GM Baez, RV Barletta, JN Guenther, JM Gaska… - Theriogenology, 2016 - Elsevier
There are multiple reasons for reduced fertility in lactating dairy cows. We hypothesized that
one cause of reduced fertility could be the overall size of the reproductive tract, particularly …

Delayed insemination of nonestrous cows improves pregnancy rates when using sex-sorted semen in timed artificial insemination of suckled beef cows

JM Thomas, SL Lock, SE Poock… - Journal of animal …, 2014 - academic.oup.com
This experiment was designed to test the hypothesis that delayed insemination of
nonestrous cows would increase pregnancy rates when using sex-sorted semen in …

Use of sexed sorted semen for fixed-time artificial insemination or fixed-time embryo transfer of in vitro–produced embryos in cattle

CAG Pellegrino, F Morotti, RM Untura, JHF Pontes… - Theriogenology, 2016 - Elsevier
Artificial insemination and in vitro embryo production are powerful tools for disseminating
superior genetic qualities and improving the reproductive performance of dairy and beef …

Evaluation of the 7 & 7 Synch and 7-day CO-Synch+ CIDR treatment regimens for control of the estrous cycle among beef cows prior to fixed-time artificial …

CM Andersen, RC Bonacker, EG Smith… - Animal Reproduction …, 2021 - Elsevier
An experiment was conducted to compare the 7 & 7 Synch and 7-day CO-Synch+ controlled
internal drug release (CIDR®) treatment regimens before fixed-time artificial insemination …