Göttingen 10/8 1929

Kirje 10.8.1929

Göttingen 22/7 1929

Kirje 22.7.1929

Reproducción inducida del sábalo cola roja Brycon cephalus (Günther, 1869). Amazonía peruana: Iquitos

The experiment was conducted at the Aquaculture Station “Amazonia Aquaculture Service”. We worked with 13 females and 16 males. The main objectives was the inducing breeding with carp pituitary extract. All females spawned, however, five females with negative results on fertility. In an average temperature of 28.12±0.61 °C, it takes 5.68±0.53 hours for spawning or 159.01±14.45 hours-grade. The females of 4 years of 2310±143.2 g, fertilization rate achieved, over 66% on average 1497.60±14,57 eggs are per gram, fertilization and hatching rate of 68.80±1.9% and 53.59±8.7% respectively. Hatching occurred at 11.67±0.32 hours, the water temperature was 28.25±0.09 °C, so that the hatching 331.07±12.56 required hour’s degree.

Dr. Rómulo Guillermo Jordan Sotelo 1929- 2007: biólogo marino cultor de principios ecológico-pesquero

Biografía y relación de artículos científicos.

Nauloilla laadittu laki : työväentalojen sulkemiset 1929-1932

Summary: A law nailed down with force : the shutting down of labour halls in 1929-1932

Executive Order, January 15, 1929

Officers appointed on the Staff of the Commander-in-Chief

[Lettre autographe signée de Giuseppe Verdi à Escudier, Gênes, 14 janvier 1869]

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[Lettre autographe signée de Giuseppe Verdi à Escudier, Gênes, 22 janvier 1869]

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