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Registros recuperados: 6
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Attraction to amino acids by Lymnaea acuminata, the snail host of Fasciola species BJMBR
Tiwari,F.; Singh,D.K..
Adult Lymnaea acuminata (average length 20-22 mm) were collected locally from lakes and low-lying submerged fields from Gorakhpur. The chemoattraction studies were made in round glass aquaria measuring 30 cm in diameter and filled to a depth of 10 mm with 500 ml dechlorinated tap water. Each aquarium was divided into four concentric zones. At the starting time of the assay 10 snails were placed on the circumference of outermost zone 0. Snail attractant pellets (SAP) were added simultaneously in the center of central zone 3. SAP of different amino acids were prepared at concentrations of 10, 20, 50, 80 and 100 mM/2% agar solution and, subsequently, spread to a uniform thickness of 5 mm. After cooling, SAP were cut in small pieces of 5 mm in diameter....
Tipo: Info:eu-repo/semantics/other Palavras-chave: Snails; Lymnaea acuminata; Fasciola; Amino acids; Attraction.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2004000400016
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Biological control of golden apple snail, Pomacea canaliculata by Chinese soft-shelled turtle, Pelodiscus sinensis in the wild rice, Zizania latifolia field Scientia Agricola
Dong,Shengzhang; Zheng,Guowan; Yu,Xiaoping; Fu,Changhuan.
The wild rice, Zizania latifolia Turcz, used to be one of the important aquatic vegetables cultivated in China. Recently, the golden apple snail - GAS (Pomacea canaliculata (Lamarck)) was found to be a major invasive pest attacking Z. latifolia. To control efficiently GAS, predation by the Chinese soft-shelled turtles (Pelodiscus sinensis) on GAS was evaluated in laboratory and field trials. P. sinensis had a strong predatory capacity and selectivity for GAS both in laboratory and field conditions. All the sizes of P. sinensis prefer to capture smaller snails. The optimum number of P. sinensis released in Z. latifolia field was dependent on the density of over-wintered GAS, and varied between 30 and 50 turtles per 666.7 m². The number of GAS declined in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Invasive pest; Predatory capacity; Turtles; Snails.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162012000200009
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Discrete observations of the spatial distributions of the Helix aspersa snail in an outdoor system Ciencia e Investigación Agraria
González,Olga; Pérez Camargo,Gladys; Membiela,Macarena; Frezza,Diana; Bartoloni,Norberto; Vieites,Carlos.
In this study, adult Helix apersa land snails with previously established periodicity were observed at three densities in their finishing stage in order to contribute to the body of knowledge about spatial distribution and certain behavior patterns in an outdoor system. From November 8 to December 18, 2006, snails that were in their final fattening phase were grouped at three densities (50 snail·m-2, 100 snail·m-2, 200 snail·m-2) and randomly placed in nine cubicles, with three replicates of each density. Twelve observations of the snail behavior were made between 12 am and 1 pm. The categories selected as "discrete acts" include: observing the snails in the shelters, on Swiss chard leaves (Beta vulgaris), adhered to the netting, on the balanced feed, on...
Tipo: Journal article Palavras-chave: Helix aspersa; Heliciculture; Snails; Spatial distribution.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202009000100012
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Life on a block of limestone: Evolutionary, ecological and geological dynamics of isolated malacofaunas on tropical karst Naturalis
Schilthuizen, M..
The karst formations of southeast Asia are a wonderful evolutionary and ecological experiment, and a sad example of observable extinction (Clements et al., 2006). In this paper, I shall focus on those in Malaysia and, in particular, on the land snail faunas that they support.
Tipo: Article / Letter to the editor Palavras-chave: Karst formations; Southeast Asia; Malaysia; Evolution; Snails; 38.22; 42.73.
Ano: 2011 URL: http://www.repository.naturalis.nl/record/428472
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Managing invasive alien mollusc species in rice International Rice Research Institute
Joshi, R. C..
p.5-13
Palavras-chave: Biological control; Biological control agents; Chemical control; Disease vectors; Farmers' attitudes; Feeds; Mollusc control; Molluscicides; Plant pests; Pest control; Reviews; Spread; Weed control; Snails; Pomacea canaliculata.
Ano: 2005 URL: http://hdl.handle.net/123456789/1141
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Off-season survival of golden apple snails in the Philippines International Rice Research Institute
Joshi, R. C.; Martin, A. R.; Sebastian, L. S..
p.32-33
Palavras-chave: Snails; Pomacea canaliculata; Survival; Philippines.
Ano: 2005 URL: http://hdl.handle.net/123456789/1112
Registros recuperados: 6
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