Ovarian Biometrics and Oocyte Grading Percentage of Yield in Local Goats of Andhra Pradesh
نویسنده
چکیده
The present study was undertaken to assess the relative efficiency of three different collection techniques of ovarian biometrics and oocytes grading percent of oocytes in local goats of Andhra Pradesh The mean oocyte recovery from right and left ovary was 1.9 ± 0.28 and 0.8 ± 0.18 in aspiration technique, 2.15 ± 0.31 and 2.9 ± 0.46 in dissection technique and 6.55 ± 0.57 and 4.51 ± 0.46 in slicing technique. The mean oocyte recovery rate was 1.5 ± 0.22 and 1.0 ± 0.33 under aspiration technique, 2.58 ± 0.47 and 2.43 ± 0.36 under dissection technique and 5.26 ± 0.46 and 6.3 ± 0.71 .The correlation of oocyte recovery in aspiration with length, width, thickness and weight was 0.16, 0.10, 0.19 and 0.11, respectively. Slicing techniques showed a correlation with length (0.25), width (0.43), thickness (0.26), and weight (0.09). The values of correlation coefficient of oocyte recovery in dissection techniques with ovarian biometrics were length (0.01), width (-0.04) thickness (-0.03), weight (-0.003). The mean numbers of oocytes of different grades recovered were 0.34 ± 0.03, 0.62 ± 0.07 and 1.37 ± 0.09 in aspiration, dissection and slicing techniques, respectively. Among the different grades of oocytes, significantly higher per cent of ‘A’ (27.78) and ‘B’ (38.89) grade oocytes were retrieved by aspiration and dissection technique when compared to slicing technique. With respect to ‘C’ and ‘D’ grade oocytes, significantly higher numbers of oocytes were retrieved by slicing technique than the aspiration and dissection techniques. Out of 437 oocytes retrieved in the present study, significantly higher per cent (50.57) yield was by slicing technique, followed by dissection technique (37.07) and aspiration (12.53).
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