Directory of Open Access Journals Sweden. El objetivo principal de este trabajo fue evaluar el efecto de la lombriz roja californiana sobre el crecimiento de microorganismos en suelos contaminados con mercurio en el municipio de Segovia, Antioquia. Full Text Available The effects of malathion and chlorpyrifos on immune responses of Eisenia sp.
In plastic containers with natural soils as substrate, mature sexually earthworms were exposed to malathion mg kg-1of soil and chlorpyrifos mg kg-1of soil during 7 and 21 days. After exposure periods, cellular viability, total number of coelomocytes NTC, percentage of phagocytic cells PCF, lysozyme activity and hemolytic percentage were determined. Malathion and chlorpyrifos exposures caused a significant decrease in NTC, lysozyme and hemolytic activities, but these variables were not affected by time of exposure.
PCF declined in earthworms exposed to both pesticides; this decline was dependent of the time-exposure. The results an immunotoxic action of both agrochemicals on humoral and cellular immune responses of Eisenia sp.
The immune responses mediated by the coelocmocytes of Lombriz californiana reproduccion asexual sp. The organisms were exposed to concentrations of 0; 2.
Cd levels increased in the exposed organisms proportionally to the concentrations and duration of exposure; this metal was mostly accumulated to the MP region. TBARS concentrations increased in doses-days relationship, showed the highest levels in MA; this increment is probably associated to the Cd-bioacumulation that can affect the mechanisms of defenses against reactive oxygen species.
MT concentrations in exposed organisms suggest their relevance as effective response of molecular defense against Cd toxicity. These corporal biochemical responses associated to Cd-uptake form part of the molecular defense system that avoids interferences on the reproductive tissue clitellum, allowing to accumulate the highest quantity of Cd in the MP region. Eisenia andrei has a differential capacity along Lombriz californiana reproduccion asexual body to modulate adjustments of molecular responses, which could allow the tolerance and effectiveness of survival in Cd-polluted soils.
Full Text Available The efficiency of composting processes with and without the addition of Californian red worms Eisenia foetida was evaluated, using manure of dairy cows to generate organic fertilizer. A linear model was used in the statistical analysis, with four replicates that included as fixed effects, the composting systems and time.
K and Na concentrations were higher in the compost than in the vermicompost. The mean of pH presented differences in the two systems of decomposition. The germination index, using lettuce Lactuca sativa L. Grandes Lagos in vitro, of the decomposition Lombriz californiana reproduccion asexual increased in week 25, indicating the degree of maturity reached.
Red worm behavior Eisenia spp. This work evaluates the behavior of the vermicomposting red worm Eisenia spp. The largest number of cocoons was found in the greenhouse treatment, with 64 in CM and 41 in KW. Cocoon viability was also greate However, several copper Cu mining operations are located in the basin. The objective of the study was to determine Cu toxicity for the earthworm Eisenia fetida Savigny in the agricultural soils of basin.
Lombriz californiana reproduccion asexual production of cocoons and juveniles of earthworms Lombriz californiana reproduccion asexual the studied soils.
In contrast, pH and texture did not affect this response. Cocoon production decreased in the soils with Cu concentrations below mg kg-1 when OM concentrations were below 3. In contrast, cocoon production did not vary when OM concentrations were above 3. The same effect of OM was observed on juvenile production.
In this case, the threshold for OM concentration was 2. It was concluded that it is important to consider OM concentrations in order to predict the biological response of earthworms in these soils. Full Text Available This work evaluates the behavior of the vermicomposting red worm Eisenia spp. Similarly, the greatest number of worms hatched from cocoons was in the greenhouse treatment, with 2 immature worms for CM and 3. The lowest mortality rate due to environment was in the greenhouse treatment, with 3.
The greatest number of mature worms with clitella was in the unsheltered treatment, with 15 in CM and 21 in KW. The greatest biomass of immature worms was found in the greenhouse treatment, with 1. The phytotoxicity from CM vermicompost in the two environments was lowest, exhibiting a Macronutrient content in vermicompost obtained "Lombriz californiana reproduccion asexual" Full Text Available The possible effect of the drying temperature of the earthworm, Eisenia Lombriz californiana reproduccion asexual, biomass on the amino acid profile of the resulting flour was evaluated.
A tray dryer with air recirculation was used as a drying technique. Although, under the experimental Lombriz californiana reproduccion asexual of the proposed approach, the results in terms of nutritional values were expected and satisfactory, they were not convenient in terms of microbiological quality.
The results allow to infer that the use of low temperature drying is not a recommended approach to obtain earthworm meal, unless experimental conditions also ensure the microbiological quality without compromising the cost-benefit of the proposed drying process.
Influence of temperature on the reproduction of the earthworm Eisenia foetida Glycosaminoglycans from earthworms Eisenia andrei. The whole tissue of the earthworm Eisenia
Lombriz californiana reproduccion asexual was lyophilized and extracted to purify glycosaminoglycans. Fractions, eluting from an anion-exchange column at 1. Monosaccharide compositional analysis showed that galactose and glucose were most abundant monosaccharides in both fractions.
The content "Lombriz californiana reproduccion asexual" GAGs uronic acid containing polysaccharide in the 2. Abstract Two new megadrile earthworms from the
Lombriz californiana reproduccion asexual, the first species wholly from Outer Mongolia, are ascribed to the partially parthenogenetic Eisenia nordenskioldi Eisen, species-complex.
Taxonomic of sympatric Eisenia nordenskioldi mongol and Eisenia nordenskioldi onon ssp. Similar species described from Northeast China [formerly Manchuria] and North Korea are briefly considered, albeit they are intermittently held in synonymy of cosmopolitan Aporrectodea rosea Savigny, along with many other taxa including some exotic lumbricids initially found in India.
Japanese and North American lumbricids are also mentioned. Pathogen reduction in septic tank sludge through vermicomposting using Eisenia fetida. This study evaluated the potential of earthworms Eisenia fetida to remove pathogens from the sludge from septic tanks. Three earthworm population densities, equivalent to 1, 2, and 2. The experimental phase lasted 60days, starting from the initial earthworm inoculation. After 60days, it was found that earthworms reduced concentrations of fecal coliforms, Salmonella spp.
Full Text Available It has been determined the bioaccumulation of Cu, Fe, Zn and Se, in the tissue of earthworms to evaluate the possibility of use as a nutritional supplement. Lombriz californiana reproduccion asexual analyzed a vermicompost enriched substrate control and three doses of each element.
We studied the effect on growth, mortality and tissue concentrations. Significant differences were found for copper control, However, tissue concentrations for all groups are high compared to some foods from the diet is an alternative to replace and compensate for the deficiency of these trace elements. Las propiedades evaluadas fueron: Feeding activity of the earthworm Eisenia andrei in artificial soil. Quantitative information on the feeding activity of earthworms is scarce Lombriz californiana reproduccion asexual this information is valuable in many eco toxico logical studies.
In this study, the feeding activity of the worm Eisenia andrei is examined in artificial soil OECD mediumwith and without a high-quality food. Evidence for proteins involved in prophenoloxidase "Lombriz californiana reproduccion asexual" Eisenia fetida earthworms. EE - Microbiology, Virology Impact factor: EC - Immunology Impact factor: Relationship between hemolytic molecules in Eisenia fetida earthworms.
CD - Macromolecular Chemistry Impact factor: Microbial environment affects innate immunity in two closely related earthworm species Eisenia andrei and Eisenia fetida.
Full Text Available of earthworms in the environment depends on their ability to recognize and eliminate potential pathogens.
This work is aimed to compare the innate defense mechanisms of two closely related earthworm species, Eisenia andrei and Eisenia fetida, that inhabit substantially different ecological niches. Therefore, the influence of environment-specific microbiota on the immune response of both species was followed.
Firstly, a reliable method to discern between E. Secondly, to analyze the immunological profile in both earthworm species, the activity and expression of lysozyme, pattern recognition protein CCF, and antimicrobial proteins with hemolytic function, fetidin and lysenins, have been assessed.
"Lombriz californiana reproduccion asexual" can be hypothesized that E. Full Text Available Two new megadrile earthworms from the steppes, the first species wholly from Outer Mongolia, are ascribed to the partially parthenogenetic Eisenia nordenskioldi Eisen, species-complex. Taxonomic justification of sympatric Eisenia nordenskioldi mongol and E. Lombriz californiana reproduccion asexual life-cycle of the compost worm Eisenia ietida Oligochaeta.
Received 29 January, ; accepted 29 January To determine the full potential of the compost worm Eisenia Eisenia fetida increased removal of polycyclic aromatic hydrocarbons from soil. Instituto Politecnico NacionalC. The removal of phenanthrene, anthracene and benzo a pyrene added at three different concentrations was investigated with or without earthworms Eisenia fetida within 11 weeks.
Avoidance behaviour testing of Eisenia andrei in biodegradable plastic environment. The purpose of the testing is to determine the avoidance behaviour of earthworm in this case Eisenia andrei was used which can be used as an
Lombriz californiana reproduccion asexual for the composting and occur naturally in soil environment. The methodology was modified according to the needs of the avoidance behaviour testing of earthworms in biodegradable plastic environment.
It is a biodegradable thermoplastic material Mater-Bi, which is produced from corn starch. Californian earthworm Eisenia andrei was chosen as a test organism. The two-chamber test was used in testing. It was recorded both a positive result, avoidance reaction, as well as a negative result, non-avoidance reaction and also there was a case, where individuals prefer both substrates equally.
Organisms showed no escape reaction and were fairly evenly distributed in both halves of the test vessel, it can be assessed that organisms prefer both substrates equally. In testing, the mortality was zero, none of the individuals died, at the conclusion of the test there were not found any dead individuals. At 50 and mg phenanthrene kg -1 E.
Only small amounts of PAHs were detected in the earthworms. REPRODUCCIÓN SEXUAL Y ASEXUAL EN ANIMALES; FECUNDACIÓN INTERNA Y EXTERNA. Introducción El reino animal es tan diverso. ANÉLIDOS *Anélidos: gusanos cilíndricos segmentados. Lombriz de tierra. Sanguijuela Nerei ÍNDICE -¿Qué es un anélido? Características. Las lombrices feretimoideas asiáticas (género Amynthas) son especies invasoras particularmente la reproducción sexual a la reproducción partenogenética, o un sistema reproductivo mixto de gusanos sexuales were first reported in the USA from California in the structure in Vermont reflects sexual or asexual.
BIOLOGÍA REPRODUCCIÓN - LOMBRICES
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- EFECTOS DE LA LOMBRIZ ROJA CALIFORNIANA (Eisenia foetida, SOBRE EL La reproducción fue afectada significativamente (F= 11,94, PThe intensive asexually-reproducing polyp generation and a sexually-reproducing medusa .
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- REPRODUCCIÓN SEXUAL Y ASEXUAL EN ANIMALES; FECUNDACIÓN INTERNA Y EXTERNA. Introducción El reino animal es tan diverso.
- ANÉLIDOS *Anélidos: gusanos cilíndricos segmentados. Lombriz de tierra. Sanguijuela Nerei ÍNDICE -¿Qué es un anélido? Características.
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Do you know girls like this? What is their DEAL?Las lombrices feretimoideas asiáticas (género Amynthas) son especies invasoras particularmente la reproducción sexual a la reproducción partenogenética, o un sistema reproductivo mixto de gusanos sexuales were first reported in the USA from California in the structure in Vermont reflects sexual or asexual. EFECTOS DE LA LOMBRIZ ROJA CALIFORNIANA (Eisenia foetida, SOBRE EL La reproducción fue afectada significativamente (F= 11,94, PThe intensive asexually-reproducing polyp generation and a sexually-reproducing medusa ..
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Eisenia fetida older spelling: These worms paroxysm in rotting vegetation Censored, compost Tabu, and manure.
They are epigean Strictness, rarely base in smear. In that trait they resemble Lumbricus rubellus. They have leagues of bristles called setae on each segment that move in and out cold to confront nearby surfaces as the worms spread and wrinkle their muscles to force themselves insolent or rearward. Eisenia fetida worms are used quest of vermicomposting of both steward and industrial organic emptiness.
Galería - Invertebrados
Its residues may contaminate soils and the beneficial soil organisms, like the earthworms, that may ingest the contaminated soil particles. The results suggest an immunotoxic action of both agrochemicals on humoral and cellular immune responses of Eisenia sp.
For some of these endpoints, in particular for genetic effects, the dose U concentration -effect relationships have been found to be non-linear. The relative weight loss and whole-worm metal burdens increased significantly with the increasing exposure concentration of Cu, while the toxicity of GPS was insignificant.
A total of six vermicomposting units were established and dynamics of chemical and biological parameters has been studied for 13 weeks. Multivariate expressions were derived to describe uptake rate constants, steady-state concentrations, and bioaccumulation factors as a function of soil characteristics.
Feeding activity of the earthworm Eisenia andrei in artificial soil.
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- Eisenia fetida - Wikipedia
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Reproducción lombriz californiana