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Article: Efecto de la aplicacion de estradiol y progesterona sobre la supervivencia embrionaria en llamas.
- Article from:
- Revista de investigaciones veterinarias del Perú
- Article date:
- July 1, 2006
- Author:
CopyrightCOPYRIGHT 2006 Universidad Nacional Mayor de San Marcos. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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ABSTRACT
The effect of exogenous oestradiol and progesterone on embryonic survival around the period of maternal recognition of pregnancy was evaluated in 80 adult llamas with [mayor que o igual a]15 days after parturition. An ultrasound evaluation was conducted to detect a preovulatory follicle ([mayor que o igual a]7mm), and then, animals were mated with a male for [mayor que o igual a]15 minutes of copulation time. Animals were allocated into 4 groups: G0, placebo; G1, 0.2 mg/llama/day of estradiol; G2, 15 mg/llama/day of proligestone, and G3, 0.2 mg/llama/day of estradiol and 15 mg/llama/day of proligestone. Injection of hormones and placebo was done at days ...