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  • Title: [Comparative studies of superovulation in high-producing cows].
    Author: Rommel P, Rehbock F.
    Journal: Arch Exp Veterinarmed; 1990; 44(1):117-25. PubMed ID: 2111692.
    Abstract:
    PMSG-PG (1), PMSG-PG-anti-PMSG (2), and FSH-PG (3) were used under production conditions for superovulation treatment of high-yielding cows. An analysis of results has shown the FSH variant (3) to be superior with significance to the other two regimes. It yielded positive ovarian reactions (greater than or equal to 3 corpora lutea) in 92.0 percent of all cases, with 7.0 +/- 6.3 transferable embryos being obtained. Regime 1 gave only 75.5 percent as well as 3.2 +/- 2.97, while 85.5 percent and 4.3 +/- 3.9 were recorded from regime 2. Significance amounted to P less than 0.01; 0.001. Regimes 2 and 3 in standardised form are recommended for embryo transfer with cattle in breeding practice.
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