{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["63(4)"],"submitter":["Kanazawa T"],"pubmed_abstract":["This study assessed the effects of gonadotropin-releasing hormone (GnRH) treatment on Day 5 (Day 0 = estrus) on luteal blood flow and accuracy of pregnancy prediction in recipient cows. On Day 5, 120 lactating Holstein cows were randomly assigned to a control group (n = 63) or GnRH group treated with 100 μg of GnRH agonist (n = 57). On Days 3, 5, 7, and 14, each cow underwent ultrasound examination to measure the blood flow area (BFA) and time-averaged maximum velocity (TAMV) at the spiral arteries at the base of the corpus luteum using color Doppler ultrasonography. Cows with a corpus luteum diameter ≥ 20 mm (n = 120) received embryo transfers on Day 7. The BFA values in the GnRH group were significantly higher than those in the control group on Days 7 and 14. TAMV did not differ between "],"journal":["The Journal of reproduction and development"],"pagination":["389-399"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC5592161"],"repository":["biostudies-literature"],"pubmed_title":["Administration of gonadotropin-releasing hormone agonist on Day 5 increases luteal blood flow and improves pregnancy prediction accuracy on Day 14 in recipient Holstein cows."],"pmcid":["PMC5592161"],"pubmed_authors":["Izaike Y","Takahashi T","Kanazawa T","Ishiyama K","Araseki M","Seki M"],"additional_accession":[]},"is_claimable":false,"name":"Administration of gonadotropin-releasing hormone agonist on Day 5 increases luteal blood flow and improves pregnancy prediction accuracy on Day 14 in recipient Holstein cows.","description":"This study assessed the effects of gonadotropin-releasing hormone (GnRH) treatment on Day 5 (Day 0 = estrus) on luteal blood flow and accuracy of pregnancy prediction in recipient cows. On Day 5, 120 lactating Holstein cows were randomly assigned to a control group (n = 63) or GnRH group treated with 100 μg of GnRH agonist (n = 57). On Days 3, 5, 7, and 14, each cow underwent ultrasound examination to measure the blood flow area (BFA) and time-averaged maximum velocity (TAMV) at the spiral arteries at the base of the corpus luteum using color Doppler ultrasonography. Cows with a corpus luteum diameter ≥ 20 mm (n = 120) received embryo transfers on Day 7. The BFA values in the GnRH group were significantly higher than those in the control group on Days 7 and 14. TAMV did not differ between ","dates":{"release":"2017-01-01T00:00:00Z","publication":"2017 Aug","modification":"2025-04-22T11:39:43.711Z","creation":"2019-03-27T02:55:57Z"},"accession":"S-EPMC5592161","cross_references":{"pubmed":["28552886"],"doi":["10.1262/jrd.2016-128"]}}