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Extent of threats to marine fish from the online aquarium trade in the United States. [PDF]
The global marine aquarium hobby is a multibillion‐dollar industry, largely driven by demand from the United States. Much of this trade occurs online. We web scraped 4 major US‐based e‐commerce platforms selling marine aquarium fish to determine the retail price and source (wild capture, aquaculture, or both) of 13 families of ray‐finned marine fish ...
Lin B +6 more
europepmc +2 more sources
在现有褐马鸡(Crossoptilon mantchuricum)谱系调查基础上,2019年发放问卷,对我国褐马鸡种群和饲养现状进行研究。结果表明:截至2020年6月30日,中国圈养褐马鸡种群共有存活个体121只,饲养在全国7个单位。种群统计学和遗传学分析结果显示,圈养种群建立者11只,潜在建立者12只,835%的个体处于繁殖年龄,种群未来发展具有较大潜力;圈养个体存活率随年龄增长而下降;在存活时间和繁殖间隔方面,雄性均比雌性长;种群中28%个体的祖先得到确定,人工种群存在一定程度的近亲繁殖 ...
张丽霞孙冬婷胡昕朱向博张敬晁青鲜卫泽珍张成林
doaj
Only 1541 (34.2%) of 4503 recognized non‐passerine bird species are held in ZIMS institutions worldwide. Approximately ~83% of the species kept globally are classified as non‐threatened and ~16% as threatened. To improve the conservation of threatened birds, a shift toward keeping threatened species should be considered within ex situ management ...
Anna Wahle +6 more
wiley +1 more source
The One Plan Approach to Conservation of the International Union for Conservation of Nature highlights the importance of combining on‐site conservation actions with captive breeding efforts. Among vertebrates, amphibians are one of the groups with the highest proportion of species threatened with extinction.
Marie Borgwerth +6 more
wiley +1 more source
Abstract Illegal poaching and overexploitation for the international pet trade are among the greatest threats to freshwater turtles in Southeast Asia. Expanding consumer research in China is crucial to filling knowledge gaps about the scale and structure of illegal trade and developing audience‐targeted and relevant interventions that may reduce demand
Wuji Zheng +10 more
wiley +1 more source
从2006~2010年,对石家庄市动物园古巴火烈乌的饲养繁殖情况进行了研究。主要从古巴火烈鸟的饲养环境、日粮配制、繁殖行为、自然育幼、人工育幼以及各阶段的注意事项等,对于圈养条件下火烈鸟的饲养繁殖进行了比较系统的阐述,同时提出相应的手段和措施,对饲养繁殖提供参考和借鉴。
王志永 +6 more
doaj
通过三年的研究,基本掌握了银星竹鼠在人工饲养条件下生长、发育、繁殖的生态及其对饲养生境的要求,成功地完成了银星竹鼠的连续繁殖,目前已繁殖子代第三代。探讨了银星竹鼠饲养繁殖过程中笼舍、饲料、配对、发情、产仔等难点问题,并进行研究且取得较好成果。
张旋, 付永军, 陈冠文
doaj
家养麝鼠的饲料有树叶、芦苇、水葱、水稗草等幼芽及鲜嫩根、茎、叶。蔬菜类;白菜,大头菜、南瓜、胡萝卜、熟马铃薯。谷物类:玉米、高梁、谷子和少许动物性饲料、骨粉、鱼粉、小杂鱼等。麝鼠的饲养麝鼠的饲养大体可分繁殖期和非繁殖期 ...
贾财
doaj
在笼养情况下,东北虎(Pantheratigris altaica)的饲养繁殖报道很多,但大群散放情况下的繁殖行为观察还少见报道.我园自1995年建园以来,在散放东北虎的饲养管理和繁殖方面积累了一些经验.从1998年第一例繁殖成功至今,共繁殖30多只东北虎.期间,我们对东北虎的繁殖行为进行了较详细的观察,现总结如下.
刘树光 +4 more
doaj
褐马鸡(Crossoptilonmantchuricum)是中国特有的雉科鸟类,只生活在河北西北部和山西北部,海拔13002000m的深山里.由于其分布地区狭窄,数量稀少,己被列为国家一级保护动物.褐马鸡在北京濒危动物驯养繁殖中心已经饲养繁殖了多年,每年人工孵化繁殖成活近百只.为了进一步探索完全用全价饲料喂养的可行性,我们用家鸡产蛋高峰饲料对繁殖季节褐马鸡进行了饲养观察,现将结果报告如下.
王冲, 刘兴国, 黄淑月
doaj

