Inducción de la pubertad en vaconas Brangus con dispositivos intravaginales de progesterona y benzoato de estradiol
The objective of the present investigation was to evaluate the induction of puberty in Brangus cows with intravaginal progesterone devices with and without estradiol benzoate on their reproductive parameters. The study was developed in 94 prepubertal cows, with an average weight of 325 kilograms and...
Kaydedildi:
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| Diğer Yazarlar: | |
| Materyal Türü: | bachelorThesis |
| Dil: | spa |
| Baskı/Yayın Bilgisi: |
2022
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| Online Erişim: | http://repositorio.espam.edu.ec/handle/42000/1883 |
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Etiketle | Özet: | The objective of the present investigation was to evaluate the induction of puberty in Brangus cows with intravaginal progesterone devices with and without estradiol benzoate on their reproductive parameters. The study was developed in 94 prepubertal cows, with an average weight of 325 kilograms and an age between 20 and 24 months; using a protocol with intravaginal device of progesterone and estradiol benzoate (P4+BE) and follicle ≥ 8 mm, which were divided into four treatments: T1; P4+BE and follicle ≤8 mm, T2; P4 and follicle ≥ 8mm, T3; P4 and follicle ≤ 8 mm, T4; the results were carried out with a completely randomized design, and the results determined statistical significance between treatments for the variables of dominant follicle size and ovulation rate (p<0.05), while in the variable size of the corpus luteum it was not found. presented a significant statistical difference (p>0.05). It is concluded that the use of intravaginal progesterone devices with and without estradiol benzoate in Brangus cows, causes the arrival of puberty, where the T4 (P4) follicle ≤ 8mm, show a greater diameter 9.81mm of the dominant follicle at the time of delivery. remove from the device p<0.0073 than smaller follicles. |
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