Browsing by Author "Cantos Torres, Edwin Patricio"

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    Determinación del porcentaje de preñez con protocolos IATF en vacas lecheras utilizando benzoato y cipionato de estradiol
    (2014) Calva Calva, Jean Carlo; Cantos Torres, Edwin Patricio; Soria Parra, Carlos Alonso
    The investigation was made in Tarqui, Cumbe and Victoria del Portete in order to determinate the pregnancy percentage of the protocols. A sample of 40 cows was taken for this investigation, which was divided in 20 animals for each treatment. The protocols were applied in the following way: Day 0, a Progestin intravaginal device (CIDR) was placed, 2 mg of estradiol benzoate (EB) IM, on day 8 the CIDR was removed, 150ug of PGF2 α or its synthetic analog and 400 UI of ECG was applied. Later the cows were divided in two groups. First group received 1mg of BE on day 9, while group number two received 1mg of estradiol cypionate (CPE) on day 8, finally the insemination was made from 56 to 60 hours after the CIDR removal. On this investigation a 55% average pregnancy percentage was obtained. T student test shows that there is no statistical difference between treatments and the ANOVA indicates that there is no difference between the CPE and the BE regarding corporal condition.