제주재래흑돼지 자돈의 성장에 관한 연구 = A Study on Growth of Piglet Cheju Native Black Swine
This study was conducted to the suckling behavior on the growth of Cheju native black piglet during the suckling period. The data for this study were obtained from 24 heads of Cheju native black piglet(fema1e 15 and male 9). The traits studied were composition of milk, body weight and comformation of piglets.
The results obtained in this study are summaried as follows;
1. The composition of clostrum were 80.11 % water, 19.89 % solids, 7.46 fat, 8.95 % protein, 3.29 % lactose, 0.29% minerals, pH value was 6.42. The composition of normal milk were 83.81 % water, 16.19 solids, 5.79 % fat, 5.34 % protein, 4.28 % lactose, 0.77 % minerals, pH value was 5.49.
2. The body weight in female and male piglets, respectively was 1.01 and 1.17 kg at birth, 4.64 and 5.36 kg at 3 wk, 9.49 and 11.04 kg at 6 wk of age. There difference between male and female was significant(p<O.&).
3. The withers height in female and male was 15.47 and 16.43 cm at birth, 23.91 and 24.86cm for 3 wk, 30.47 and 32.14 cm for 6 wk old piglets, respectively. There difference between male and female was significant(p<0.05). The back height in female and male was 16.19 and 16.93 cm at birth, 25.34 and 26.36 an 16.50 after 3 wk, 32.06 and 33.71 cm after 6 wk, respectively. There dfference between male and female was significant(p<O.B). The croup height of female and male was 15.78 and 16.50cm at birth, 32.16 and 3 . 1 4 cm after 6 wk, respectively. There dfference between male and female ivas significant(p<O.05).
4. The body length in female and male piglets was 18.69 and 19.79 cm at birth, 32.22 and 33.86 cm after 3 wk, 42.59 and 43.07 cm after 6 wk, respectively. There dfference betiveen male and female ignificant(p<0.05). The chest girth in female and male piglets was 22.28 and 23.43 cm at birth, 38.31 and 39.6.1 cm after 3 wk. 37.81 and 50.00 cm after 6 wk, respectively. There dfference between male and female was significant(p<0.05).
5. The chest width in female and male was 513 and 5.36 cm at birth, 8.93 and 10.07 cm after 3 wk, 12.09 and 13.00 cm after 6 wk, respectively. There dfference between male and female was not significant(p<0.05). The pine width in female and male was 2.03 and 2.71 cm at birth, 3.97 and 4.93 cm after 3 wk, 5.88 and 6.57 cm after 6 wk, respectively. There dfference between male and female was significant(p<0.05).
6. The shin circumference in female and male was 5.03 and 5.64 cm at birth, 7.34 and 7.79 cm after 3 wk, 8.86 and 9.36 cm after 6 wk, respectively. There difference between male and female was significant(p<0.05). The head length in female and male was 6.84 and 7.43 cm at birth, 9.87 and 10.21 cm after 3 wk, 12.41 and 13.00 cm after 6 wk, respectively. There dfference between male and female was not significant(p<0.05). The head width in female and male was 4.16 and 4.57 cm at birth, 5.97 and 6.14 cm after 3 wk, 7.09 and 7.71 cm after 6 wk, respectively. There dfference between male and female was not significant(p<0.05).
7. The ear length in female and male was 5.56 and 5.86 cm at birth, 8.47 and 9.14 after 3 wk, 10.78 and 11.50 cm after 6 wk, respectively. There dfference between male and female was significant(p<0.05). The ear width in female and male was 4.19 and 4.64 cm at birth, 6.03 and 6.43 cm after 3 wk, 8.09 and 8.64 cm after 6 wk, respectively. There dfference between male and female was significant(p<0.05). The tail length in female and male was 7.25 and 7.29cm at birth, 10.38 and 10.50 cm after 3 wk, 13.88 and 14.43 cm after 6 wk, respectively. There dfference between male and female was not significant(p<0.05).
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