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1. A diet based on soyabean meal and wheat contained insufficient chloride to support normal growth in chicks.
2. Ammonium chloride and sodium chloride were equally good sources of supplementary chloride for the chick.
3. When seven diets providing increasing proportions of chloride from 608 to 1808 mg/kg, were fed to chicks, maximal growth at 21 d was obtained at about 1200 mg chloride/kg diet. 相似文献
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Jiewen Guan Maria Chan Brian W. Brooks Elizabeth Rohonczy 《Canadian journal of veterinary research》2015,79(4):347-350
Avian influenza outbreaks have occurred during winter months, and effective disinfection of poultry premises at freezing temperatures is needed. The commercial disinfectants Virkon and Accel, supplemented with an antifreeze agent [propylene glycol (PG), methanol (MeOH), or calcium chloride (CaCl2)], were evaluated for their effectiveness in killing avian influenza virus (AIV) at −20°C or 21°C. An AIV suspension was applied to stainless steel disks, air-dried, and covered with a disinfectant or antifreeze agent for 5 to 30 min. Virkon (2%) and Accel (6.25%) with 30% PG, 20% MeOH, or 20% CaCl2 inactivated 6 log10 AIV within 5 min at −20°C and 21°C. At these temperatures PG and MeOH alone did not kill AIV, but the 20% CaCl2 solution alone inactivated 5 log10 AIV within 10 min. The results suggested that CaCl2 is potentially useful to enhance the effectiveness of disinfection of poultry facilities after outbreaks of AIV infection in warm and cold seasons. 相似文献
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《上海畜牧兽医通讯》1992,(4)
《中兽医学杂志》是介绍中国传统兽医科技及中西兽医结合的刊物.是广大畜牧兽医工作者、有关院校师生、农村知识青年和养畜专业户的良师益友.季刊,16开本,48页,每期定价1元,全年4元,全国各地邮局均可订阅,期刊代号:44-46.每年10、11月请及时到当地邮局办理预订手续.如果您错过预订时间,可通过邮局汇款(每期含邮杂费为1.4元)至330006南昌市福州支路2号江西省中兽医研究所《中兽医学杂志》编辑部补购. 相似文献
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<正>现在很多人热衷于国学,许多大领导、亿万富翁放弃工作去研读儒家哲学,因为儒学是中华民族的精神支柱。如果将儒家文化最简单地概括,就是"志于道,据于德,依于仁,游于艺。"志于道什么是道?道分天道和人道,天道是哲学意义上的道,世界从哪里来,人从哪里来?古代中国人文史不分,文哲不分,文学家就是哲学家、也是史学家。 相似文献
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为使稻、蟹、鱼生产得到更大的发展,1994年我局在七套乡郜庄村,小尖镇小广村等进行蟹、鱼、稻综合养殖种植高产技术攻关,取得了可喜的成绩:在315亩面积中,平均亩产蟹43公斤,最高产56公斤,鱼种52公斤,稻407公斤。现将关键技术介绍如下。 相似文献
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Andrew Francis 《Journal of Feline Medicine and Surgery》2010,12(12):997