2005 - facultatea de stiinte agricole , industrie alimentara si protectia ...

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ACTA UNIVERSITATIS CIBINIENSIS - Seria ŞtiinŃe Agricole, vol. 1, nr. 1 (5), 2005VIABILITATEA EMBRIONILOR OBłINUTI DE LA VACILEDONATOARE DE EMBRIONIPăcală N., Corin N., Bencsik I., Dronca D., Caraba V., Telea Ada, Ivan AlexandraFacultatea de Zootehnie şi Biotehnologii, USAMVB TimişoaraABSTRACT:The superovulation treatments were made by using FSH (400 mg NIH-FSHp), gestagenhormones andPgF2a. The treatment with FSH begun in the 5 th day, from the subcutaneousNorgestomet implant introduction, by administrating 50 mg of pituitary extract of FSHat 12 hours interval. With the last two FSH doses were administrated 25 mg Lutalyse.The Norgestomet implants were redrawn in the 9 th day from the introduction. The embryoswere nonsurgically collected in the 7 th day from the induced estrus.The average number of viable embryo collected per donor cow was 6.2. The majority of theembryos (75.8%) were in blastocyst stage of development. The viable embryos wereclassified as follows: code 1 (46.8%), code 2 (33.9%) and code 3 (19.3%). The unviableembryos (code 4) were degenerated embryos (55.5%), embryos delayed in development(27.8%) and unfertilized ovocites (16.7%).KEY WORDS: donor cows, superovulation, viability, embryos
ACTA UNIVERSITATIS CIBINIENSIS - Seria ŞtiinŃe Agricole, vol. 1, nr. 1 (5), 2005INDUCEREA Ş1SINCRONIZAREA CICLURILOR ESTRALE LAVACILE CU LAPTE PRIN METODE BIOTEHNOLOGICEPăcală N., Corin N., Bencsik I., Dronca D., Petroman L, Petroman Cornelia, Caraba V.Universitatea de Ştiinte Agricole şi Medicină Veterinară a Banatului TimişoaraABSTRACT:The oestrus was synchronized using the Ovsynch (2.5 ml GnRH- day 0; 25 mg PgFia -the 7th day; 2.5 mg GnRH- the 9 th day; at 16-18 hours from A.I.) and Cosynch Programs(2.5 ml GnRH -day 0; 25 mg PgF 2 a - the f day; 2.5 mg GnRH +A.I. the 9"' day). Theconception rates after the first A.I. were 30-40 %. It seems that the conception rates inheifers are higher compared with the ones in cows.KEY WORDS: cow, synchronization, Ovsynch, Cosynch
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2005 - facultatea de stiinte agricole , industrie alimentara si protectia ...

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