鱼是体外受精的，为什么雌鱼腹部还会有鱼卵，那是未受精的？ 如何识别是否受精的鱼卵
\u9c7c\u662f\u4f53\u5916\u53d7\u7cbe,\u4e3a\u4ec0\u4e48\u5728\u5b83\u7684\u8179\u90e8\u4f1a\u6709\u9c7c\u7c7d\u513f?\u3000\u3000\u9c7c\u7c7b\u53d7\u7cbe\u548c\u53d1\u80b2\u7684\u65b9\u5f0f\u6709\u4ee5\u4e0b\u56db\u79cd
\u3000\u3000\u2460\u4f53\u5916\u53d7\u7cbe\uff0c\u4f53\u5916\u53d1\u80b2\u3002
\u3000\u3000\u2461\u4f53\u5916\u53d7\u7cbe\uff0c\u4f53\u5185\u53d1\u80b2\uff0c\u5982\u9c87\u79d1\u7684Tachysurusbarbus\u7684\u96c4\u4f53\u5728\u751f\u6b96\u671f\u95f4\u505c\u98df\uff0c\u628a\u53d7\u7cbe\u5375\u541e\u5165\u80c3\u4e2d\u5b75\u5316\u3002
\u3000\u3000\u2462\u4f53\u5185\u53d7\u7cbe\uff0c\u4f53\u5916\u53d1\u80b2\u3002\u5375\u672a\u4ea7\u51fa\u524d\uff0c\u96c4\u9c7c\u901a\u8fc7\u7279\u6b8a\u7684\u4ea4\u63a5\u5668\u5b98\u3002\u5982\u9ccd\u811a\u3001\u77ed\u7ba1\u7b49\uff0c\u4f7f\u7cbe\u6db2\u6d41\u5165\u96cc\u9c7c\u751f\u6b96\u5b54\u5185\uff0c\u5375\u5728\u4f53\u5185\u53d7\u7cbe\u540e\u4e0d\u4e45\uff0c\u5375\u6210\u719f\u540e\uff0c\u6392\u51fa\u4f53\u5916\u53d1\u80b2\uff0c\u5982\u8f6f\u9aa8\u9c7c\u4e2d\u7684\u864e\u9ca8\u5373\u662f\u3002
\u3000\u3000\u2463\u4f53\u5185\u53d7\u7cbe\uff0c\u4f53\u5185\u53d1\u80b2\uff0c\u5982\u771f\u9ca8\u79d1\u7684\u8f6f\u9aa8\u9c7c\u53ca\u67f3\u6761\u9c7c\u7b49\u786c\u9aa8\u9c7c\uff0c\u5375\u53d7\u7cbe\u540e\u5c31\u5f00\u59cb\u53d1\u80b2\uff0c\u5982\u53d7\u7cbe\u7684\u9ca4\u9c7c\u5375\u572820\u2103\u65f6\uff0c\u4e00\u5468\u5373\u53ef\u5b75\u5316\uff0c\u6b64\u9636\u6bb5\u79f0\u5b75\u5316\u671f\u3002\u521a\u5b75\u51fa\u7684\u7a1a\u9c7c\u4f53\u957f\u7ea61\uff0e2mm\uff0c\u4f53\u900f\u660e\uff0c\u542b\u8272\u7d20\uff0c\u9aa8\u9abc\u672a\u786c\u5316\uff0c\u9ccd\u4e5f\u4e0d\u5341\u5206\u53d1\u8fbe\uff0c\u8179\u90e8\u8fd8\u6709\u5375\u9ec4\u56ca\u6b64\u79f0\u7a1a\u9c7c\u671f\u3002\u5f53\u5375\u9ec4\u56ca\u7f29\u5c0f\u540e\uff0c\u7a1a\u9c7c\u5f00\u59cb\u8fdb\u98df\uff0c\u7ecf\u8fc7\u6210\u957f\u671f\uff08\u7b2c\u4e09\u671f\uff09\u957f\u6210\u9c7c\u5f62\u3002\u9ca4\u9c7c\u4ece\u5e7c\u9c7c\u957f\u6210\u6210\u9c7c\uff0c\u7ea6\u97002\uff5e3\u5e74\uff0c\u5176\u5bff\u547d\u53ef\u8fbe\u6570\u5341\u5e74\u3002
体内的是没受精的，排出体外，再跟水中由雄鱼排出的精子结合
是的
是
绛旓細鍚屾椂锛岄泟楸间篃浼氱揣璐闆岄奔鑵归儴鎺掓斁绮惧瓙銆傛湁鏃讹紝鍙互瑙傚療鍒伴泴闆勯奔缂犵粫鍦ㄤ竴璧凤紝鍛堢幇鍑轰氦閰嶇殑濮垮娍锛屾鏃朵篃浼氬彂鐢熶骇鍗靛拰鎺掔簿銆傜敱浜庡鏁板楸艰繘琛岀殑鏄綋澶栧彈绮撅紝鍥犳楸肩被鐨勪汉宸ュ彈绮捐繃绋嬬浉瀵圭畝鍗曘備汉宸ユ巿绮炬槸閫氳繃浜轰负鎵嬫淇冭繘绮惧瓙鍜屽嵉瀛愬湪鐭椂闂村唴缁撳悎浠ュ畬鎴鍙楃簿鐨鏂规硶銆傚叾鍏抽敭鍦ㄤ簬纭繚绮惧瓙鍜屽嵉瀛愮殑璐ㄩ噺銆傚湪浜哄伐鎺堢簿杩囩▼...
绛旓細楸肩殑绻佹畺鍩烘湰閮芥槸浣撳鍙楃簿锛闆岄奔鍦ㄦ湭鍙楃簿鐨鎯呭喌涓嬪氨鍙互浜у嵉锛屼骇鍗靛悗闆勯奔鎵嶅彈绮撅紒鏈堝厜楸硷細鏈堝厜楸5~6涓湀榫勬ф垚鐔,浣撳唴鍙楃簿,鑳庣敓.闆岄泟楸艰壊褰╂棤宸埆,闆勯奔鐦﹀皬,闆岄奔杈冨ぇ,灏や互鑵归儴杈冨ぇ.鍒濊儙姣忔浜у辜楸10~20鏉,浠ュ悗姣忚儙鍙骇80鏉″乏鍙,涓鑸40澶╁彲绻佹畺1娆.闆岄奔鑵归儴鑲涢棬涓や晶鎴愭殫绾㈣壊,闅呬簬涓瑙掑皯娲诲姩,鍗充负...
绛旓細楸肩被澶у鏁鏄綋澶栧彈绮剧殑锛閲戦奔涔熶竴鏍凤紝鎵浠ュ浣曡鲸鍒泴闆勬槸鍏抽敭锛屼竴鑸潵璇翠骇鍗垫湡鐨闆岄奔鑲氬瓙杈冨ぇ锛岄泟楸艰吂閮ㄦ病浠涔堝彉鍖栵紝浣嗘槸锛屼粩缁嗚瀵熶笉闅惧彂鐜帮紝闆勯奔宸﹀彸鍓嶉硩鐨勫墠鏂圭‖楠ㄥ埡涓婃湁鍑犱釜灏忕櫧鐐瑰効锛屽挨鍏舵槸鍦ㄤ骇鍗垫湡杈冧负鏄庢樉锛岃岄泴楸肩粷瀵规病鏈夈傚鏋滃彧鍏讳簡涓鏉￠泴楸煎湪楸肩几閲岋紝娌℃湁鍏婚泟楸硷紝鐜板湪闆岄奔浜у嵉浜嗭紝涓存椂鎵句竴...
绛旓細楸兼湁鍏瘝涔嬪垎锛屾湁鐨勯奔鐢熸潵灏变竴濂楃敓娈栫郴缁燂紝濡傚彧鏈夌簿宸紝鎴栬呭嵉宸紝浠栦滑鐨勫尯鍒嗗嵈澶嶆潅澶氭牱銆傞奔绫讳竴鑸负闆岄泟寮備綋锛岀敓娈栬吅閫氬父鎴愬銆傝蒋楠ㄩ奔绫讳竴鑸负浣撳唴鍙楃簿锛岃鍗佃儙鐢熴佽儙鐢熸垨鍗电敓锛屽鏁扮‖楠ㄩ奔涓浣撳鍙楃簿銆傛墍浜т箣鍗垫贰姘撮奔涓烘矇鎬ф垨娴э紝娴锋按楸煎潎涓烘诞鎬с楸肩被鐨鎬ф垚鐔熶笌绉嶇被銆佽惀鍏汇佹按娓┿佸厜鐓х瓑鏈夊緢澶у叧绯...
绛旓細鍗佃儙鐢熼奔绫婚泴闆勯壌鍒敋涓烘樉钁楋紝闄よ瀵熼奔浣擄紝闆岄奔涔嬭噣槌嶅憟鍦嗘墖褰紝闆勯奔鑷槌嶅垯鍛堟灊鏉″舰銆傛澶栵紝闆勯奔棰滆壊鏇翠负椴滆壋澶虹洰锛屽瀛旈泙楸笺侀赋楦奔绛夈傚嵉鑳庣敓楸肩被鐨鍗靛瓙涓嶆帓鍑浣撳锛绮惧瓙鍜屽嵉鍦ㄩ泴楸肩殑娉勬畺鑵斿唴缁撳悎鍙楃簿鍙戣偛鎴愬辜楸煎悗绂诲紑姣嶄綋銆備緥濡傚瓟闆楸奸泴闆勯奔婵鐑堣拷閫愪氦閰嶏紝2鍛ㄥ悗闆岄奔鑵归儴鑶ㄥぇ锛岃吂閮ㄦ湯绔粦鑹蹭笉鏂姞娣憋紝杩欐槸...
绛旓細鏈鍚庢槸瑙傚療楸肩殑鑵归儴锛岄泴楸艰吂閮鏌旇蒋锛岃嚜鑵硅嚦鑲涳紝纭１涓嶆樉锛岀箒娈栨湡鑵归儴鑶ㄥぇ婊氬渾锛涢泟楸艰吂閮ㄨ緝纭紝鑷吂鑷宠倹鏈夋槑鏄剧‖妫憋紝绻佹畺鏈熶笉鑶ㄣ備笉杩囪繖涓鐐逛笉鑳借鍒わ紝鍥犱负鏈夌殑閲戦奔鍝佺锛屼笉璁洪泟闆鑵归儴閮芥槸鑶ㄥぇ婊氬渾鐨勶紝鍦ㄩ壌鍒椂涓瀹氳缁嗗績鍒嗚鲸銆傞棶棰樹笁锛楸兼槸鎬庝箞鍒嗗叕姣嶇殑?闆岄泟閲戦奔涓昏浠庝互涓嬪嚑涓柟闈㈣鲸鍒細锛堜竴锛夊閮...
绛旓細鍏朵腑浠旈奔鏈熸浜＄巼鏈楂樸楸肩被鍙楃簿鍜屽彂鑲茬殑鏂瑰紡鏈変互涓嬪洓绉嶏細1銆浣撳鍙楃簿锛浣撳鍙戣偛銆2銆佷綋澶栧彈绮撅紝浣撳唴鍙戣偛銆3銆佷綋鍐呭彈绮撅紝浣撳鍙戣偛銆傚嵉鏈骇鍑哄墠锛岄泟楸奸氳繃鐗规畩鐨勪氦鎺ュ櫒瀹樸傚槌嶈剼銆佺煭绠＄瓑锛屼娇绮炬恫娴佸叆闆岄奔鐢熸畺瀛斿唴锛屽嵉鍦ㄤ綋鍐呭彈绮惧悗涓嶄箙锛屽嵉鎴愮啛鍚庯紝鎺掑嚭浣撳鍙戣偛銆4銆佷綋鍐呭彈绮撅紝浣撳唴鍙戣偛銆
绛旓細涓銆佺綏姹夐奔鍒嗗叕姣嶅浜庣綏姹夐奔鎬庝箞鍒嗗叕姣嶈繖涓棶棰橈紝涓鑸敤浠ヤ笅浜旂偣鏉ュ尯鍒嗭細1.妫樻潯鑳岄硩锛氱涓鑷崇鍏潯妫樻潯鑳岄硩杈冪矖鍛堝渾褰㈡槸闆勬э紝濡傝緝缁嗗憟鎵佸舰鍒欎负闆屾с2.鑵归硩锛氱敤鎵嬭Е鎽歌吂槌嶏紝杈冪‖鐨勬槸闆勬э紝杈冭蒋鐨勬槸闆屾э紝鍥犻泴鎬х箒娈栨椂椤荤敤鑵归硩鎽囧姩涓洪奔鍗垫彁渚涙哀姘旓紝闃叉缁嗚弻渚靛叆锛屾洿鑳界敤鏉ユ壂闄ゆ潅鐗┿3.楸艰兏杈冨皷澶氫负...
绛旓細杩欑鍔ㄧ墿鏄綋澶栧彈绮銆楸肩被鍦ㄧ箒娈栨椂锛岄泟楸间細鍏堝皢绮炬恫鎺掑叆姘翠腑锛闆岄奔鍒欎細灏嗗嵉瀛愭帓鍑猴紝绮惧瓙鍜屽嵉瀛愬湪姘翠腑鐩搁亣骞剁粨鍚堬紝褰㈡垚鍙楃簿鍗点傝繖涓繃绋嬫槸鍦ㄤ綋澶栧畬鎴愮殑锛屽洜姝ょО涓轰綋澶栧彈绮俱傞奔绫婚氬父閲囩敤浣撳鍙楃簿鐨鏂瑰紡杩涜绻佹畺锛岃繖鏄敱浜庨奔绫荤殑鐢熺悊缁撴瀯鍜岀敓娈栨柟寮忔墍鍐冲畾鐨勩
