Njirimara uto nke oporo na anumanu nshịkọ nwere njiri na-awụli elu, ma ọ bụ naanị mgbe molting ka uto ha nwere ike gbanwee.ecdysterone, na-eri nri nwere ike ime ka oporo na crabs molt ozugbo, mee ngwa ngwa molting usoro, melite nlanarị ọnụego na mmekọrịta nke molting, na iru ihe mgbaru ọsọ nke ngwa ngwa ibu.
1. Shelling na Uto
Uto nke shrimp ga-adabere na shelling: ọnụ ọgụgụ uto nke South America shrimp ọcha = ọnụ ọgụgụ shelling × Uto na ibu ibu. Ọnụ ọgụgụ shelling na-ejikọta na ọkwa uto nke shrimp na mmiri àgwà gburugburu ebe obibi.
Mgbe gburugburu ebe obibi dị mma, a ga-awụsa shrimp fry otu ugboro kwa awa 30-40, na larvae na-eru gram 1-5 kwesịrị ịkwanye otu ugboro kwa ụbọchị 4-6. A na-agbakarị ahịhịa na-eru ihe karịrị gram 15 otu ugboro kwa izu abụọ, nke ka ukwuu. na ọkara mbụ nke abalị gburugburu ụbọchị mbụ na nke iri na ise nke ọnwa ọhụrụ, n'etiti mmiri na neap tides; Mgbe ihu igwe na-agbanwe na mberede, ọ na-emekarị tupu chi ọbụbọ. Shei na-esi ike na 1-2 ụbọchị.
The nkịtị dehulling ugboro na obere nnu na kwesịrị ekwesị okpomọkụ nwekwara ike ime ka uto rate.The nri nri nke oporo nwere ike shelled ugboro ugboro, nke shortens ozuzu okirikiri maka ike uto nke oporo.
2, The isi ọrụ nkeecdysterone
1.Ọ nwere ike ịsa shrimp na crabs n'oge, mee ka uto ha dịkwuo elu, ma melite nlọghachi nri.
2.Promote na shelling na allergenicity nke shrimp na crabs, na melite ngwaahịa nkọwa na akara ule.
3.Effectively kpochapụ nje ndị na-emerụ ahụ site na oporo na crab crustaceans, na-eme ka nguzogide ọrịa, na-akwalite metabolism na protein njikọ n'ime ahụ, ma welie nrụgide nrụgide.
4.Ọ nwere nkwụsi ike nke okpomọkụ dị elu na ihe ndị dị irè agaghị agbanwe ma ọ bụ hapụ n'oge usoro granulation nke usoro nri.
Nkọwa: Enwere ike ịrụ ọrụ na ngwa ndị a kpọtụrụ aha n'isiokwu a niile sitere na akwụkwọ ọha nwere.
Oge nzipu: Ọgọst-08-2023