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不同配合饲料与冰鲜鱼的投喂对三疣梭子蟹生长性能和血液生化指标的影响 被引量:7
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作者 贲玲芝 李亚卉 +3 位作者 梁芸芝 张瑞姿 陈秀玲 刘海燕 《河北渔业》 2018年第11期13-17,共5页
探讨了不同配合饲料和冰鲜鱼对三疣梭子蟹幼蟹(Portunus trituberculatus)生长性能、体组成及血清生理生化指标的影响。试验共分三个处理组:以红鱼粉为主要蛋白源的红鱼粉组,以白鱼粉为主要蛋白源的白鱼粉组以及冰鲜鱼组。每组20只幼蟹... 探讨了不同配合饲料和冰鲜鱼对三疣梭子蟹幼蟹(Portunus trituberculatus)生长性能、体组成及血清生理生化指标的影响。试验共分三个处理组:以红鱼粉为主要蛋白源的红鱼粉组,以白鱼粉为主要蛋白源的白鱼粉组以及冰鲜鱼组。每组20只幼蟹(初始平均体重:16.38±5.33g),单体饲养于塑料养殖筐中56d。结果表明:红鱼粉组与白鱼粉组幼蟹成活率比较高,增重率、特定生长率均显著高于冰鲜鱼组(P<0.05),而饵料系数显著低于冰鲜鱼组(P<0.05),红鱼粉组与白鱼粉组之间各生长指标无显著差异(P>0.05);各组幼蟹体成分中的水分,粗蛋白,粗灰分含量均无显著差异(P>0.05),但红鱼粉组与白鱼粉组幼蟹粗脂肪含量显著高于冰鲜鱼组(P<0.05),且红鱼粉组显著高于白鱼粉组(P<0.05);投喂配合饲料和冰鲜鱼对三疣梭子蟹幼蟹血清谷草转氨酶、谷丙转氨酶活性及葡萄糖、甘油三酯含量无显著影响,但配合饲料组的碱性磷酸酶活性显著高于冰鲜鱼组,红鱼粉组的总蛋白含量显著高于冰鲜鱼组(P<0.05)。综合实验结果,投喂配合饲料显著提高了三疣梭子蟹的生长性能、体粗脂肪含量与血清碱性磷酸酶活性,投喂配合饲料效果显著好于冰鲜鱼,而三疣梭子蟹对红鱼粉与白鱼粉的利用没有显著差异。 展开更多
关键词 三疣梭子蟹(Portunus trituberculatus) 配合饲料 冰鲜鱼 生长性能 血清生化指标
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Effects of Garlic Oxide on Movement of Ruminal Smooth Muscle in Goats
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作者 SUN Zhen-ping BAI Dong-xing +6 位作者 GUO Xi zhang rui-zi LIU Yan-ling ZHAO Xue-min REN Ying zhang Yang-jun YANG Sheng-rong 《Animal Husbandry and Feed Science》 CAS 2010年第1期17-19,23,共4页
[ Objective] To explore the effects of garlic oxide on movement of ruminal smooth muscle in goat and provide a theoretical basis for metabolic regulation of rumen. [ Method] A total of four healthy adult goats were se... [ Objective] To explore the effects of garlic oxide on movement of ruminal smooth muscle in goat and provide a theoretical basis for metabolic regulation of rumen. [ Method] A total of four healthy adult goats were selected and respectively implanted a permanent rumen fistula by surgery. After the gadic oxide was poured into the rumen of goats, the movement of ruminal smooth muscle in vivo was observed by self-developed ruminal smooth muscle movement detector. [ Result] The average muscle contraction intensity of the four goats was significantly increased by 51.6% ( P 〈 0.01 ) in experiment period compared with that of the control. The average contraction frequency was significantly increased by 24.6% ( P 〈 0.01 ). The average duration of contraction was significantly shortened by 19,1% (P 〈0.01 ). The average feeding intake was significantly increased by 8.1% (P 〈 0.01 ). [ Conclusion] Gadic oxide can greatly strengthen the movement of ruminal smooth muscle and promote gastric emptying. 展开更多
关键词 Gadic oxide Ruminal smooth muscle MOVEMENT
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