{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T04:54:15Z","timestamp":1790657655963,"version":"4.1.0"},"reference-count":29,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2020,2,1]],"date-time":"2020-02-01T00:00:00Z","timestamp":1580515200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Veterinary Sciences"],"abstract":"<jats:p>The current research was designed to evaluate if intra-ovarian administration of autologous platelet rich plasma (PRP) before superovulation could increase the number of follicles responsive to gonadotropin treatment in order to improve embryo recovery in donor cows. Eight Holstein-Friesian cows of proven fertility were employed. After estrous synchronization, at the 18th day of diestrous, the right ovary of each cow was left untreated and served as control while the left ovary was inoculated with 5 mL of PRP. Cows were left to spontaneously return to estrous, and nine days later, a standard superovulation was initiated for every cow. Seven days after artificial insemination (AI), putative embryos were collected by flushing the right and left uterine horns separately. All statistics were calculated by ANOVA. The mean number of follicles, evaluated by transrectal ultrasound scanning, did not statistically differ before PRP treatment between right (control) and left (treated) ovaries (9.18 \u00b1 1.35 and 7.32 \u00b1 1.67, p = 0.28, respectively) as well as at 48 h after PRP injection (7.67 \u00b1 2.52 and 8.00 \u00b1 2.00, p = 0.73, respectively). A statistical (p = 0.023) difference was found in the average number of follicles at the last gonadotropin injection between control and treated ovaries (11.33 \u00b1 2.89 and 20.00 \u00b1 9.17, respectively). The statistically different (p = 0.0037) number of grade 1-2 blastocysts harvested from the uterine horn ipsilateral to control ovaries in comparison to that collected from the treated ones (6.63 \u00b1 2.92 and 14.75 \u00b1 5.92, respectively) suggests that intra-ovarian injection of PRP before superovulation could exert beneficial effects both in latent follicle growth and in vivo embryo production.<\/jats:p>","DOI":"10.3390\/vetsci7010016","type":"journal-article","created":{"date-parts":[[2020,2,3]],"date-time":"2020-02-03T11:28:31Z","timestamp":1580729311000},"page":"16","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Improvement of Embryo Recovery in Holstein Cows Treated by Intra-Ovarian Platelet Rich Plasma before Superovulation"],"prefix":"10.3390","volume":"7","author":[{"given":"Fausto","family":"Cremonesi","sequence":"first","affiliation":[{"name":"Dipartimento di Medicina Veterinaria, Universit\u00e0 Degli Studi di Milano, 26900 Lodi, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stefano","family":"Bonfanti","sequence":"additional","affiliation":[{"name":"Dipartimento di Medicina Veterinaria, Universit\u00e0 Degli Studi di Milano, 26900 Lodi, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5836-9933","authenticated-orcid":false,"given":"Antonella","family":"Idda","sequence":"additional","affiliation":[{"name":"Dipartimento di Medicina Veterinaria, Universit\u00e0 Degli Studi di Milano, 26900 Lodi, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7748-3413","authenticated-orcid":false,"given":"Lange-Consiglio","family":"Anna","sequence":"additional","affiliation":[{"name":"Dipartimento di Medicina Veterinaria, Universit\u00e0 Degli Studi di Milano, 26900 Lodi, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2020,2,1]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"7","DOI":"10.1016\/0093-691X(93)90021-V","article-title":"Recent advances in superovulation of cattle","volume":"39","author":"Armstrong","year":"1993","journal-title":"Theriogenology"},{"key":"ref_2","unstructured":"Hopper, R.M. 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