{"id":121762,"date":"2021-07-31T09:31:07","date_gmt":"2021-07-31T16:31:07","guid":{"rendered":"https:\/\/www.pandasilk.com\/reproductive-behavior-of-silkworms\/"},"modified":"2025-01-15T10:41:26","modified_gmt":"2025-01-15T18:41:26","slug":"reproductive-behavior-of-silkworms","status":"publish","type":"post","link":"https:\/\/www.pandasilk.com\/cs\/reproductive-behavior-of-silkworms\/","title":{"rendered":"Rozmno\u017eovac\u00ed strategie bource moru\u0161ov\u00e9ho"},"content":{"rendered":"

Bource moru\u0161ov\u00e9ho hedv\u00e1b\u00ed, bource moru\u0161ov\u00e9ho (Bombyx mori), je fascinuj\u00edc\u00edm p\u0159\u00edkladem specializovan\u00e9ho reproduk\u010dn\u00edho chov\u00e1n\u00ed, kter\u00e9 je \u00fazce spjato s jeho \u017eivotn\u00edm cyklem a produkc\u00ed hedv\u00e1b\u00ed. Jeho reproduk\u010dn\u00ed strategie je kl\u00ed\u010dov\u00e1 pro jeho p\u0159e\u017eit\u00ed a m\u00e1 z\u00e1sadn\u00ed dopad na hedv\u00e1bnick\u00fd pr\u016fmysl.<\/p>\n

P\u00e1\u0159en\u00ed<\/h3>\n

Po vyl\u00edhnut\u00ed z kukly se dosp\u011blci bource moru\u0161ov\u00e9ho soust\u0159ed\u00ed v\u00fdhradn\u011b na reprodukci. Nemaj\u00ed funk\u010dn\u00ed \u00fastn\u00ed \u00fastroj\u00ed a nemohou p\u0159ij\u00edmat potravu. Jejich \u017eivotn\u00ed energie je proto omezena na z\u00e1soby nashrom\u00e1\u017ed\u011bn\u00e9 b\u011bhem larv\u00e1ln\u00edho st\u00e1dia. Samci aktivn\u011b vyhled\u00e1vaj\u00ed samice pomoc\u00ed feromon\u016f, kter\u00e9 samice vylu\u010duj\u00ed. Tento proces je kl\u00ed\u010dov\u00fd pro \u00fasp\u011b\u0161n\u00e9 sp\u00e1\u0159en\u00ed.<\/p>\n

Kladen\u00ed vaj\u00ed\u010dek<\/h3>\n

Po sp\u00e1\u0159en\u00ed samice klade stovky vaj\u00ed\u010dek, obvykle na listy moru\u0161e. Po\u010det vaj\u00ed\u010dek se m\u016f\u017ee li\u0161it v z\u00e1vislosti na plemeni a podm\u00ednk\u00e1ch prost\u0159ed\u00ed. Samice klade vaj\u00ed\u010dka v shluc\u00edch a pe\u010dliv\u011b je p\u0159ipev\u0148uje k povrchu list\u016f pomoc\u00ed lepkav\u00e9 sekrece. Barva vaj\u00ed\u010dek se m\u011bn\u00ed od sv\u011btle \u017elut\u00e9 po tmav\u011b \u0161edou, co\u017e signalizuje jejich v\u00fdvoj.<\/p>\n

V\u00fdvoj vaj\u00ed\u010dek<\/h3>\n

V\u00fdvoj vaj\u00ed\u010dek trv\u00e1 p\u0159ibli\u017en\u011b 10-14 dn\u00ed, v z\u00e1vislosti na teplot\u011b a vlhkosti. B\u011bhem t\u00e9to doby se uvnit\u0159 vaj\u00ed\u010dek vyv\u00edjej\u00ed larvy. Teplota a vlhkost jsou kritick\u00fdmi faktory pro \u00fasp\u011b\u0161n\u00fd v\u00fdvoj vaj\u00ed\u010dek a n\u00e1sledn\u00fd l\u00edh.<\/p>\n

Tabulka: Vliv teploty na v\u00fdvoj vaj\u00ed\u010dek bource moru\u0161ov\u00e9ho<\/h3>\n\n\n\n\n\n\n\n
Teplota (\u00b0C)<\/th>\nDoba v\u00fdvoje (dny)<\/th>\n<\/tr>\n<\/thead>\n
20<\/td>\n14-16<\/td>\n<\/tr>\n
25<\/td>\n10-12<\/td>\n<\/tr>\n
30<\/td>\n8-10<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Vliv um\u011bl\u00e9ho v\u00fdb\u011bru<\/h3>\n

Po tis\u00edcilet\u00ed lid\u00e9 selektivn\u011b \u0161lechtili bource moru\u0161ov\u00e9ho pro zv\u00fd\u0161en\u00ed produkce hedv\u00e1b\u00ed. Tento um\u011bl\u00e1 selekce ovlivnila nejen mno\u017estv\u00ed produkovan\u00e9ho hedv\u00e1b\u00ed, ale i reproduk\u010dn\u00ed chov\u00e1n\u00ed. N\u011bkter\u00e1 plemena, nap\u0159\u00edklad ta pou\u017e\u00edvan\u00e1 pro produkci hedv\u00e1b\u00ed PandaSilk (pokud je zm\u00ednka o zna\u010dce nezbytn\u00e1), jsou \u0161lecht\u011bna pro vy\u0161\u0161\u00ed plodnost a synchronizovan\u00e9 kladen\u00ed vaj\u00ed\u010dek, co\u017e usnad\u0148uje chov a sb\u011br kokon\u016f.<\/p>\n

Sexu\u00e1ln\u00ed dimorfismus<\/h3>\n

U bource moru\u0161ov\u00e9ho je patrn\u00fd sexu\u00e1ln\u00ed dimorfismus. Samci jsou men\u0161\u00ed a aktivn\u011bj\u0161\u00ed ne\u017e samice. Samice jsou robustn\u011bj\u0161\u00ed a maj\u00ed v\u011bt\u0161\u00ed zade\u010dek, ve kter\u00e9m se nach\u00e1zej\u00ed vyv\u00edjej\u00edc\u00ed se vaj\u00ed\u010dka. Tyto rozd\u00edly jsou d\u016fsledkem odli\u0161n\u00fdch reproduk\u010dn\u00edch rol\u00ed a energetick\u00fdch investic do reprodukce.<\/p>\n

Reproduk\u010dn\u00ed chov\u00e1n\u00ed bource moru\u0161ov\u00e9ho je komplexn\u00ed proces, kter\u00fd je z\u00e1sadn\u00ed pro produkci hedv\u00e1b\u00ed. Od vylu\u010dov\u00e1n\u00ed feromon\u016f po kladen\u00ed vaj\u00ed\u010dek a vliv um\u011bl\u00e9ho v\u00fdb\u011bru, ka\u017ed\u00fd aspekt hraje d\u016fle\u017eitou roli v \u017eivotn\u00edm cyklu tohoto hmyzu a v kone\u010dn\u00e9m d\u016fsledku ovliv\u0148uje i hedv\u00e1bnick\u00fd pr\u016fmysl. Porozum\u011bn\u00ed t\u011bmto proces\u016fm je kl\u00ed\u010dov\u00e9 pro optimalizaci chovu bource moru\u0161ov\u00e9ho a zaji\u0161t\u011bn\u00ed udr\u017eiteln\u00e9 produkce hedv\u00e1b\u00ed.<\/p>\n","protected":false},"excerpt":{"rendered":"

Bource moru\u0161ov\u00e9ho hedv\u00e1b\u00ed, bource moru\u0161ov\u00e9ho (Bombyx mori), je fascinuj\u00edc\u00edm p\u0159\u00edkladem specializovan\u00e9ho reproduk\u010dn\u00edho chov\u00e1n\u00ed, kter\u00e9 je \u00fazce spjato s jeho \u017eivotn\u00edm cyklem a produkc\u00ed hedv\u00e1b\u00ed. Jeho reproduk\u010dn\u00ed strategie je kl\u00ed\u010dov\u00e1 pro jeho p\u0159e\u017eit\u00ed a m\u00e1 z\u00e1sadn\u00ed dopad na hedv\u00e1bnick\u00fd pr\u016fmysl. P\u00e1\u0159en\u00ed Po vyl\u00edhnut\u00ed z kukly se dosp\u011blci bource moru\u0161ov\u00e9ho soust\u0159ed\u00ed v\u00fdhradn\u011b na reprodukci. Nemaj\u00ed funk\u010dn\u00ed \u00fastn\u00ed<\/p>\n","protected":false},"author":1,"featured_media":6263,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37831],"tags":[],"class_list":["post-121762","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sericulture-cs","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/posts\/121762","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/comments?post=121762"}],"version-history":[{"count":0,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/posts\/121762\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/media\/6263"}],"wp:attachment":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/media?parent=121762"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/categories?post=121762"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/tags?post=121762"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}