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Reproductive characteristics of Psilorhynchus homaloptera Hora and Mukerji,1935 (Cyprinidae: Psilorh
Psilorhynchus homaloptera mainly inhabits turbulent waters in the lower reach of the Yarlung Zangbo River,Tibet,China,an......
本文通过对荣华二采区10...
Stress reaction in freshwater ifsh in response to extreme impacts and during the reproduction period
本文通过对荣华二采区10...
Comparative study of haematological, serum electrolyte and nonelectrolyte parameters of male and fem
Sturgeons are the most important principal market species in the Caspian Sea. In the present study, measurement of blood......
本文在实验条件下研究了低剂量稻草净对泥鳅捕食、产卵的影响。结果表明：0.20g/L、0.10g/L、0.010g/L稻草净抑制泥鳅的捕食，0.001g/L......
Reproductive ecology of the seabob shrimp Xiphopenaeus kroyeri (Heller, 1862) in a coastal area of S
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
A fish ladder, weir, and raceway at Whitlock Spawning Station are used to capture and retain feral fall Chinook salmon (......
研究了广东北江流域can的繁殖生物学，结果表明：can雌雄的初次性成熟年龄是1年，在生殖季节可凭“追星”等副性征辨别雌雄．性成熟后，性腺......
对比研究了产卵前后长江刀鲚肉的营养价值以及在产卵过程中营养成分的代谢。结果表明产卵后长江刀鲚肉粗脂肪含量显著降低（p〈0．05）。......
为了解金沙江一期工程蓄水前后的长江上游铜鱼繁殖情况,2011—2014年每年5月5日—7月10日,在江津江段通过使用圆锥网捕捞鱼卵,定点......
研究结果表明，浮桥河水库鲂雌性三年性成熟，雄性二年，生殖季节可凭“追星”等副性征辨别雌雄。性成熟后，性腺具有周年变化规律，卵子发育......
阐述了北部湾红鳍笛鲷的资源状况,对基于体重的单位补充量渔获量和亲体生物量进行了分析。在当前开捕体重为0.5kg的条件下,现阶段......
实验用不同的维生素E（VE）含量的饲料投喂克氏原螯虾亲虾，研究对其繁殖性能的影响，目的是为研制亲虾的人工饲料提供指导。结果显示，在添......
[目的]为提高蛇鳄龟的繁殖力，增加苗种供应。[方法]从引进的蛇鳄龟稚龟中进行个体选育，获得2000只亲龟，于2012年5月～2013年10月开展蛇......
室内条件下,采用切除、烫灼眼柄及蓝、绿色光源光照,可有效诱导池养斑节对虾的卵巢获得不同程度发育或成熟产卵,有效率分别为64.8％......
金乌贼广泛分布于俄罗斯远东海海域，中国沿海，日本本州、四国、九州海域，朝鲜西海岸、南海岸海域，以及菲律宾群岛海域。它不仅是中国沿......
<正> Ⅰ.方法 实验用海水经砂滤。将性成熟的二龄亲蛏经过阴干和流水等刺激,在白天按全遮光和自然光照分为两组,观察亲贝排放情况......
采用控温、营养强化的方法培育红鳍笛鲷(Lutjanus erythropterus)亲鱼,并结合激素诱导使其在1周年内每个月不间断产卵.实验亲鱼454......
研究辽河流域鲇种群生殖适应性，即个体生殖力及其调节机制、生殖过程及其适应性。结果表明：鲇个体生殖力低于鲤科鱼类而与乌鳢和胡子......
８０年代以来，渤海对虾的补充量，特别是亲体数量大幅度下降。根据１９８３－１９９４年４月烟威外海对虾亲体资源量指数和渤海秋汛对虾鱼获量，按Ｂｅｖｅｒｔｏｎ－Ｈｏｌｔ和Ｒｉｃｋｅｒ模式求得各项......
以池养南美白对虾（Penaeus vannamei）亲虾进行人工促熟，并使之交尾、产卵、受精。实验在上海金山区抗州湾河口低盐地区一套自行设计的......
黑龙江茴鱼平均产卵量为2256粒／尾，属分批产卵型。在平均水温7．7℃（4．2～10．8℃）情况下：100～110℃·d时眼点明显；120～140℃·d开始破膜；2......
瘤背石磺（Onchidium struma）是雌雄同体、异体交配的腹足纲贝类,其生殖系统较为复杂,通过解剖学和组织切片技术对成体瘤背石磺的生殖......
在盐度31、水温28～29℃下,进行了4次卵巢诱导试验,研究了切除单侧眼柄对体质量56.4～105.4g的养殖斑节对虾卵巢发育和产卵的影响及卵......
采用栖息地适合度模型法研究了长江口中华绒螯蟹（Eriocheir sinensis）抱卵蟹空间分布和水文环境因子的相关性.结果显示：抱卵蟹主要栖......
2006年4~9月、2007年4~9月,在四川青川初步观察了文县疣螈（Tylototriton wenxianensis）的繁殖习性,并研究了其主要特点,包括繁殖期雌......
采用毛细管气相色谱法,对产卵前后大鳍鳠肌肉中的脂肪酸组成进行了测定。结果表明,大鳍鳠肌肉中脂肪酸种类丰富,含有22种脂肪酸,油......
本研究测定了瘤背石磺产卵前后肌肉、肝胰腺、两性腺、卵蛋白腺、雄性附性腺和黏液腺指数、水分含量、总脂含量、脂类和脂肪酸组成......
本文依据 1 989/1 990和 1 990 /1 991夏季 ,“极地”号考察船在普里兹湾邻近海域 (南大洋的印度洋区 )的拖网样品 ,对大磷虾的性......
对室养条件下２０尾雌性稀有Ｊｕ鲫的产卵频次，成熟卵巢卵径分布及卵子补充过程进行了研究，产卵间隔中卵径分布呈现不同的峰值，卵母细胞成熟是......
Weight/length relationships, condition factor, gonadosomatic and hepatosomatic indices, conversion factor for gutted to ......
In captive conditions, most neotropical migratory species do not have the necessary incentive to complete gonadal matura......
Muricids are commercially important gastropods and are exploited primarily for shell craft industries. They also occupy ......
Muricids are commercially important gastropods and are exploited primarily for shell craft industries. They also occupy ......
In order to exploit native fish species for aquaculture, basic parameters of artificial reproducetion and estimates of r......
本文报道了用5-羟色胺催产出的长牡蛎精、卵,人工授精后诱导四倍体的实验结果.结果表明:在26℃水温条件下,受精后7min,用0.5mg/dm3......
Cryopreservation of strip spawned sperm using programmable freezing technique in the blue mussel Myt
In this study,a programmable freezing technique has been developed for strip spawned sperm in the blue mussel,Mytilus ga......
During artificial spawning of salmonids, activated sperm is allowed to remain in contact with eggs for variable duration......
The Japanese grenadier anchovy (Coilia nasus) undergoes upstream migration to spawning annually but can also be observed......
生长在湖南地区水库环境的黄尾密鲴,雌、雄鱼性成熟一般为2冬龄。在具备繁殖条件的水库,其黄尾密鲴能自行产卵、受精、繁衍后代,不......
利用放射免疫分析法测定了排卵、排精前后青岛文昌鱼体内促性腺激素释放激素（ＧｎＲＨ）的含量变化，并通过高效液相色谱比较了雌、雄文昌鱼性腺......
Transport and distribution of nutrients in anchovy spawning ground to the southern waters of Shandon
The distribution of nutrients and the effect of side transport of nutrients on anchovy spawning ground to the southern w......
This study examined the spatial and temporal characteristics of brook trout Salvelinus fontinalis and brown trout Salmo ......
Reproductive Biology of Splendid Ponyfish Leiognathus Splendens(Cuvier,1829)in Myeik Coastal Waters,
Reproductive biology of Leiognathus splendens was studied by using the samples collected from the catches of trawl fishe......
Brown Trout Spawn Timing, Redd Locations, and Stream Characteristics in Spearfish Creek within Spear
This study documented brown trout (Salmo trutta) spawning locations, redd construction timing, and associated environmen......
