Study on optimal dietary crude protein level in Japanese white rabbits from weaning to 80-day old
A six-week feeding trial was carried out to assess the optimal dietary crude protein level in Japanese white rabbits from weaning to 80-day old. Sixty weanling (40 d old) Japanese white rabbits were divided into 5 groups (Ⅰ, Ⅱ. Ⅲ. Ⅳ and Ⅴ) according to dietary crude protein levels (12%, 14%, 16%, 18...
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| Language: | English |
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Zhejiang University Press
2008-01-01
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| Series: | 浙江大学学报. 农业与生命科学版 |
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| Online Access: | https://www.academax.com/doi/10.3785/j.issn.1008-9209.2008.01.013 |
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| author | LÜ Jian-min SONG Jian-hui XU Jian-qin ZHANG Li-zong LIU Jian-xin |
| author_facet | LÜ Jian-min SONG Jian-hui XU Jian-qin ZHANG Li-zong LIU Jian-xin |
| author_sort | LÜ Jian-min |
| collection | DOAJ |
| description | A six-week feeding trial was carried out to assess the optimal dietary crude protein level in Japanese white rabbits from weaning to 80-day old. Sixty weanling (40 d old) Japanese white rabbits were divided into 5 groups (Ⅰ, Ⅱ. Ⅲ. Ⅳ and Ⅴ) according to dietary crude protein levels (12%, 14%, 16%, 18% and 20%, respectively). Digestible energy and crude fibre contents of the diets were equal except the crude protein content. The growth performance and feed intake were measured through the experiment. When the trial was finished, the biochemical indices were determined. Results show that crude protein levels had significant effect on daily gain and body weight, with the highest daily gain and body weight at the 16% crude protein level. The activity of alkaline phosphatase (AKP) was the highest in group Ⅲ, but no significant difference was found. The blood serum total protein and albumin in Ⅱ-Ⅴ groups were higher than those in group I. The contents of urea-N were increased with increasing dietary crude protein level, but it was suitable in the third group. In conclusion, the optimal dietary crude protein level of Japanese white rabbits is 16% during growing period. |
| format | Article |
| id | doaj-art-5b7ce30ab2ad4cb8b9c8c86ec4bb3bc7 |
| institution | DOAJ |
| issn | 1008-9209 2097-5155 |
| language | English |
| publishDate | 2008-01-01 |
| publisher | Zhejiang University Press |
| record_format | Article |
| series | 浙江大学学报. 农业与生命科学版 |
| spelling | doaj-art-5b7ce30ab2ad4cb8b9c8c86ec4bb3bc72025-08-20T02:52:49ZengZhejiang University Press浙江大学学报. 农业与生命科学版1008-92092097-51552008-01-0134899210.3785/j.issn.1008-9209.2008.01.01310089209Study on optimal dietary crude protein level in Japanese white rabbits from weaning to 80-day oldLÜ Jian-minSONG Jian-huiXU Jian-qinZHANG Li-zongLIU Jian-xinA six-week feeding trial was carried out to assess the optimal dietary crude protein level in Japanese white rabbits from weaning to 80-day old. Sixty weanling (40 d old) Japanese white rabbits were divided into 5 groups (Ⅰ, Ⅱ. Ⅲ. Ⅳ and Ⅴ) according to dietary crude protein levels (12%, 14%, 16%, 18% and 20%, respectively). Digestible energy and crude fibre contents of the diets were equal except the crude protein content. The growth performance and feed intake were measured through the experiment. When the trial was finished, the biochemical indices were determined. Results show that crude protein levels had significant effect on daily gain and body weight, with the highest daily gain and body weight at the 16% crude protein level. The activity of alkaline phosphatase (AKP) was the highest in group Ⅲ, but no significant difference was found. The blood serum total protein and albumin in Ⅱ-Ⅴ groups were higher than those in group I. The contents of urea-N were increased with increasing dietary crude protein level, but it was suitable in the third group. In conclusion, the optimal dietary crude protein level of Japanese white rabbits is 16% during growing period.https://www.academax.com/doi/10.3785/j.issn.1008-9209.2008.01.013Japanese white rabbitdietcrude protein levelgrowth performancebiochemical index |
| spellingShingle | LÜ Jian-min SONG Jian-hui XU Jian-qin ZHANG Li-zong LIU Jian-xin Study on optimal dietary crude protein level in Japanese white rabbits from weaning to 80-day old 浙江大学学报. 农业与生命科学版 Japanese white rabbit diet crude protein level growth performance biochemical index |
| title | Study on optimal dietary crude protein level in Japanese white rabbits from weaning to 80-day old |
| title_full | Study on optimal dietary crude protein level in Japanese white rabbits from weaning to 80-day old |
| title_fullStr | Study on optimal dietary crude protein level in Japanese white rabbits from weaning to 80-day old |
| title_full_unstemmed | Study on optimal dietary crude protein level in Japanese white rabbits from weaning to 80-day old |
| title_short | Study on optimal dietary crude protein level in Japanese white rabbits from weaning to 80-day old |
| title_sort | study on optimal dietary crude protein level in japanese white rabbits from weaning to 80 day old |
| topic | Japanese white rabbit diet crude protein level growth performance biochemical index |
| url | https://www.academax.com/doi/10.3785/j.issn.1008-9209.2008.01.013 |
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