Data/hora: 01/06/2024 12:58:18

Biblioteca(s): | Epagri-Sede.
Data corrente: | 28/06/2005
Data da última atualização: | 28/06/2005
Autoria: | GODOI, D.S.; ROSA, C.A.D. da; CASTRO, J.G.D.; SOARES, A.G.; FARIAS, R.A.
Título: | Diagnostico da variacao das horas graus de desova e eclosao de ovos do Colossoma macropomum (characidae) na estacao de piscicultura de alta floresta - Mato Grosso.
Ano de publicação: | 2000
Fonte/Imprenta: | In: SIMPOSIO BRASILEIRO DE AQUICULTURA, 11. ENCONTRO SULBRASILEIRO DE AQUICULTURA, 4. ENCONTRO CATARINENSE DE AQUICULTURA, 5. FESTIVAL NACIONAL DA OSTRA E DA CULTURA ACORIANA, 2, 2000, Florianopolis, SC. Anais... Florianopolis: BMLP, 2000. CD-ROM.
Idioma: | Português

Conteúdo:

Since 1996 to 2000, there were analysed the degree - hours of spawning and hatching of tambaqui eggs (Colossoma macropomum) to value the variation of this variations in the north of Mato Grosso. In 39 reproductions, the breeders age ranged between 3 and 5 years, which were stocked in earthern ponds at the density of 1kg/2m 2 , and mean weight of 8,0 kg. The hormonal induction was made by intramuscular injection of pituitary hormones at total dose of 5,5 mg/kg to females and 2,0 mg/kg to the males. The temperature was observed with chenichal thermometer and ranged from 26ºC to 31ºC. The hatching values shows a major range in 1996 and 1998: 384,25   13,52 (n= 4)
and 353,87   41,49 (n=8). In the years 97, 99 and 2000, intermediate values were obtained: 374  40,14 (n= 3), 374,24   48,73 ( n=11) and 373,90   45,48 (n=11). The obtained for spawning were: 249   19,39 (n= 4), 241,66   6,25 (n=3), 202,18   30,80 (n= 8), 196,75   22,88 (n= 11), 194,18   28,46 (n=11). In other regions, the values obtained were different and ranged from 180 a 300 degree hours.

Palavras-Chave: | Desova; Mato Grosso; Reproducao induzida.
Categoria do assunto: | --
Registro original: | Epagri-Sede (Epagri-Sede)
Exemplares: | Epagri-Sede - (38053-1) - ADD - PL - -- - CD 0001/05 -  - 000014823 - DIS