家畜是被人类高度驯化的动物,是人类长期劳动的社会产物,具有独特的经济性状,能满足人类的需求,已形成不同的品种,在人工养殖的条件下能够正常繁殖后代并可随人工选择和生产方向的改变而改变,同时其性状能够稳定地遗传下来。
氦氖激光治疗动物外科疾病60例 关键词 激光 家畜 外科疾病 [gap=373]Key words laser ; surgical disease ; domestic animal
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期刊杂志2007(11)论文摘要 关键词 :家畜;肉产品;信息链;追溯 [gap=1428]Key words :Farm animal;Meat product;Information chain;Traceability
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The aim of this study was to establish Nanog-expressing cell lines that can be used as donor cells for nuclear transfer in cattle, and forther to find a new approach to derivation of bovine ES cell lines.
本研究通过遗传修饰的方法,将维持ES细胞多能性的转录因子导入牛皮肤成纤维细胞,获得稳定转染的细胞株,再用这些转基因的供核细胞构建克隆胚胎,试图为家畜ES细胞建系开辟一条新途径。
参考来源 - 稳定表达牛Nanog基因的成纤维细胞制作、多能性分析及转基因克隆胚胎构建The positive correlation were found between mass infection rate and livestock infection rate.
人群的感染率与家畜的感染率呈正相关。
参考来源 - 世业镇血吸虫病流行病学纵向观测研究报告·2,447,543篇论文数据,部分数据来源于NoteExpress
大雨和洪水淹死了许多家畜。
按传统方式饲养的家畜比集约饲养的长得慢。
Traditionally reared animals grow more slowly than those reared under intensive farming conditions.
考虑到他们对待家畜的方式,科学家们认为公众在动物福利方面特别言行不一致。
The scientists saw the public as being particularly two-faced about animal welfare in view of the way domestic animals are treated.
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