Temperature and light intensity affecting egg production and growth performance of the Apple Snail Pomacea patula [Baker, 1922]
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| Format: | Artículo científico |
| Sprache: | en |
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Universidad de Colima
2006
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| author | A. Santos-Soto |
| author_facet | A. Santos-Soto |
| contents | Temperature and light intensity affecting egg production and growth performance of the Apple Snail Pomacea patula [Baker, 1922] A. Santos-Soto A. O. Meyer-Willerer Agrociencias clutch Spawning survival Outdoor experiments recording spawning ofapple snails [Pomacea patula Baker, 1922] wererecorded during one year. Observations includedspawning of 30 females with total deposited eggsand total hatched snails, all done in triplicate.Another series of indoor trials with 30 spawningsnails and egg masses under controlled experimentalconditions (temperature and light intensity) wererecorded by triplicate. Data were compared at differentwater/air temperatures, 20 to 32°C andtwo light intensities, 60 and 300 lux at spawningplaces. A third series of trials were aimed at determininggrowth performance with 100 spawnedsails per temperature trial under controlled temperatures(22-32°C) and natural light conditions.The results show that the apple snails spawn mainlyfrom August to November when water temperaturesaverage 26°C or more. Hatching efficiency isencouraged by warm air temperatures. Spawningis also affected by light intensity, females spawn at lower temperatures in higher intense illuminatedplaces; at 26°C or higher, the preference reverts.In tropical climate incubation time of larvae reducesand the growth of recently hatched snails tendsto be more successful in warm weather, but theirfinal survival decreases 2006 artículo científico 0188-7890 https://www.redalyc.org/articulo.oa?id=83710304 en http://www.redalyc.org/revista.oa?id=837 Avances en Investigación Agropecuaria application/pdf Universidad de Colima Avances en Investigación Agropecuaria (México) Num.3 Vol.10 |
| format | Artículo científico |
| id | redalyc_83710304 |
| institution | Redalyc |
| language | en |
| publishDate | 2006 |
| publisher | Universidad de Colima |
| spellingShingle | Temperature and light intensity affecting egg production and growth performance of the Apple Snail Pomacea patula [Baker, 1922] A. Santos-Soto Agrociencias clutch Spawning survival Temperature and light intensity affecting egg production and growth performance of the Apple Snail Pomacea patula [Baker, 1922] A. Santos-Soto A. O. Meyer-Willerer Agrociencias clutch Spawning survival Outdoor experiments recording spawning ofapple snails [Pomacea patula Baker, 1922] wererecorded during one year. Observations includedspawning of 30 females with total deposited eggsand total hatched snails, all done in triplicate.Another series of indoor trials with 30 spawningsnails and egg masses under controlled experimentalconditions (temperature and light intensity) wererecorded by triplicate. Data were compared at differentwater/air temperatures, 20 to 32°C andtwo light intensities, 60 and 300 lux at spawningplaces. A third series of trials were aimed at determininggrowth performance with 100 spawnedsails per temperature trial under controlled temperatures(22-32°C) and natural light conditions.The results show that the apple snails spawn mainlyfrom August to November when water temperaturesaverage 26°C or more. Hatching efficiency isencouraged by warm air temperatures. Spawningis also affected by light intensity, females spawn at lower temperatures in higher intense illuminatedplaces; at 26°C or higher, the preference reverts.In tropical climate incubation time of larvae reducesand the growth of recently hatched snails tendsto be more successful in warm weather, but theirfinal survival decreases 2006 artículo científico 0188-7890 https://www.redalyc.org/articulo.oa?id=83710304 en http://www.redalyc.org/revista.oa?id=837 Avances en Investigación Agropecuaria application/pdf Universidad de Colima Avances en Investigación Agropecuaria (México) Num.3 Vol.10 |
| title | Temperature and light intensity affecting egg production and growth performance of the Apple Snail Pomacea patula [Baker, 1922] |
| topic | Agrociencias clutch Spawning survival |
| url | https://www.redalyc.org/articulo.oa?id=83710304 |