The Effect of the Follicle Size and Follicle Number Per Ovary on Oocyte Quality of Local Goat
Arman Sayuti | Tongku Nizwan Siregar | Muslim Akmal | Hamdan H | Hamdani H
This research was aimed to find out the relationship between the diameter of follicle and the different of follicle number on oocyte quality of local goat. The oocyte originated from the ovary was taken from the Slaughterhouse in Banda Aceh. The ovary was aspirated in the Histology Laboratory of Veterinary Medicine Faculty of Syiah Kuala University, Banda Aceh. This experiment consisted of two stages, the follicles were selected and divided into 3 groups according to their diameter size. The small diameter size 2 mm, medium size 2-5 mm, and big size 5 mm. The second, the ovaries were divided into three groups based on number of follicle, i.e; 1(≤5; 2(6-10); and 3 (≥11). The diameters of oocyte taken from the three groups of follicle size were measured by using eyepiece micrometer, while the oocyte morphology was categorized into 4 groups. The result of regression data indicated that the biggest follicle diameter yielded the oocyte that had bigger diameter, too. The model of regression is y = 0.955 + 0.157x, y is the diameter of oocyte and x is the diameter of follicle. The close relationship (r) between the diameter of follicle and the diameter of oocyte was 0.967. There are significant differences (P0.05) between the size of follicle and the morphology of oocyte. The oocytes originated from larger follicle tend to have better morphological appearance than the oocyte originated from smaller follicle. Keywords: oocyte, follicle
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