3.8 Article

Effect of temperature on food intake and digestion of Artemia in Lophiosilurus alexandri larvae

期刊

JOURNAL OF APPLIED AQUACULTURE
卷 -, 期 -, 页码 -

出版社

TAYLOR & FRANCIS LTD
DOI: 10.1080/10454438.2022.2115330

关键词

Larviculture; live food; stomach contents; pacama

资金

  1. CNPq (Conselho Nacional de Desenvolvimento Cientifico e Tecnologico) [CNPq 401117/2014-6, PQ CNPq-305048/2015-5]
  2. CAPES (Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior)
  3. FAPEMIG (Fundacao de Amparo a Pesquisa do Estado de Minas Gerais)

向作者/读者索取更多资源

The objective of this study was to investigate the impact of temperature on food intake and digestion time in larvae of Lophiosilurus alexandri. The results showed that the effect of temperature on intake and digestion was more pronounced at 18 and 23 days post-hatching (DPH). As the age and temperature increased, the time to reach the highest digestion rate decreased.
The objective of this study was to elucidate the effect of temperature on food intake and time for digestion in larvae of Lophiosilurus alexandri. An experiment was performed with four constant temperatures (23 degrees C, 26 degrees C, 29 degrees C, and 32 degrees C), four ages (8, 13, 18, and 23 days post-hatching (DPH)) and eight sampling times (5, 15, 30, 45, 60, 120, 180, and 300 minutes after feeding). The effect of temperature was more evident at 18 and 23 DPH. Due to the increase in age and temperature, there was a decrease in the time to reach the highest rate of digested nauplii. In addition, the larvae were estimated to ingest up to 0.30 +/- 0.10 MJ/larva at 32 degrees C in the first meal of the day. Temperatures of 29 degrees C and 32 degrees C provided the most satisfactory results for intake, digestion rate, and intake as percentage of live weight in one meal.

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