Kodi kutha msinkhu kumayamba liti kwa agalu?

Kuyamba kwa kutha msinkhu kumadalira nthawi yomwe hule imalemera kwambiri ndipo, motero, zimatengera kukula ndi mtundu wa galu. Choncho, agalu ambiri ang'onoang'ono ndi apakatikati amatha msinkhu pakati pa miyezi 6 ndi 10, pamene agalu ena akuluakulu kapena akuluakulu samafika nthawi imeneyi mpaka zaka ziwiri.

Komabe, kubereka kwabwinobwino, kapena kuthekera kokulirapo (kubereka), kumachitika kuyambira pa estrus yachiwiri mpaka yachinayi.

Kutalika ndi chikhalidwe cha estrus zimatha kusiyana pakati pa mawere omwe angotha ​​msinkhu ndi omwe akhwima kale. Agalu ang'onoang'ono, omwe asanafike msinkhu nthawi zambiri amasonyeza khalidwe lochepa logonana ngakhale panthawi yomwe ovulation imatulutsa, ndipo nthawi yawo yonse ya estrus ingakhale yaifupi.

Kuphatikiza apo, estrus yoyamba nthawi zambiri imapitilira molingana ndi mtundu wa zomwe zimatchedwa "split estrus". Pa kugawanika kwa estrus, galu poyamba amasonyeza zizindikiro za estrus: kutupa kwa maliseche, kutuluka kwa magazi kuchokera kumaliseche; Ntchentche imakopa amuna ndipo imatha kulekerera kukweretsa. Komabe, posachedwa zizindikiro zachipatala za estrus zimatha, koma patatha masiku angapo kapena masabata amayambiranso. Chowonadi ndi chakuti theka loyamba la kugawanika kwa estrus limadutsa popanda ovulation, ndipo ovulation, monga lamulo, imapezeka mu theka lachiwiri.

Palinso lingaliro la "kutulutsa kobisika". Pachifukwa ichi, zizindikiro zachipatala za estrus ndi chidwi cha amuna ndizochepa kapena palibe pamene ovulation imachitika. Estrus yobisika imapezeka kawirikawiri mwa agalu omwe angotha ​​msinkhu, koma nthawi zambiri amapezeka mwa okhwima.

Disembala 11 2017

Zasinthidwa: October 5, 2018