Sentences with phrase «larvae at»

Matt Landos, an aquatic animal specialist and member of the Australian College of Veterinarian Scientists, said the mutant larvae at a Noosa River fish farm survived just 48 hours and were dying en masse.

Therefore, it is necessary to treat again in about two to four weeks to kill any newly - formed adult worms that were larvae at the time of the first treatment.

However, in 80 % of infections, the cat's own immune system kills the larvae at an earlier stage, and clears the infection.

The ivermectin in Heart Shield Plus flavored chewables, given every 30 days, has a retroactive effect and kills larvae at the L3 and L4 stages that have invaded the dog in the preceding month.

Dogs that are exposed to a large number of infective larvae at once are at great risk of sudden death due to massive numbers of developing larvae bombarding the vascular system.

Mosquitoes infect the dog with microscopic larvae daily and it takes these larvae at least six months to mature into adult worms in the heart.

Therefore, it is necessary to treat again in about 2 - 3 weeks to kill any newly formed adult worms that were larvae at the time of the first treatment.

It takes months for dogs with heartworms to test positive (Remember, it takes six months for the infective larvae to mature to adult heartworms) so your pet may have been infected with larvae at last year's exam, but did not read positive on that test.

Toxic chemicals in the condensate could harm plankton, fish larvae and invertebrate larvae at fairly low concentrations at the sea surface, he says.

To confirm whether ILP accumulation in the insulin - producing cells actually results in a decrease of ILP2 concentration in the circulating hemolymph, we collected hemolymph from wild - type, and gbp1, gbp2 ex67 heterozygous and homozygous mutant larvae at 24 h AL3E, and performed western blot analyses using an anti-ILP2 antibody.

(A) Relative amounts of dilp5 mRNA were quantified by RT - qPCR using whole animal RNA extracts from larvae at the late third - instar to wandering stages.

We carefully staged wild - type (w1118) larvae at the molt to the L3, fed them for 12 h, and then starved them for 12 h on non-nutritive agar to eliminate the effect of normal fly food.

Not only did we discover a cluster of volcanoes on Sydney's doorstep, we were amazed to find that an eddy off Sydney was a hotspot for lobster larvae at a time of the year when we were not expecting them,» Professor Suthers said.

«Our research involved taking samples of microalgae from adult snails and supply it to larvae at different ages.

This wiped out at least 95 per cent of the larvae at each site, 10 times the number that would die if no action is taken (Proceedings of the National Academy of Sciences, DOI: 10.1073 / pnas.0901369106).

A big blob of royal jelly, abundantly resupplied by worker bees, surrounds the larva at the ceiling.

The elephantnose fish (Gnathonemus petersii) is widespread in the flowing waters of West Africa and hunts insect larva at dawn and dusk.

The larva at the center of this study.

The larva at the center of this study first came to the team's attention from a photograph without identification in another research paper.

Not exact matches

«In terms of how much is present in water reservoirs that have been sprayed with pyriproxyfen to control mosquito larvae, a person would have to drink well over 1,000 liters of water a day, every day, to achieve the threshold toxicity levels seen in animals,» Ian Musgrave, a senior lecturer in the medical school at the University of Adelaide in Australia, said in a statement.

Though not seen face to face, this God is yet encountered with a striking immediacy in the larvae Dei — the created marvels of God's hand, the bread and wine at mass, even the mystery of one's own self as created being.

River Murray through Barmah Millewa Forest, at Euston and in South Australia (showing David Fleer and George Giatas of the South Australian Research and Development Institute monitoring fish larvae and microinvertebrates).

I saw an Animal Planet program last year about a toddler who ingested raccoon roundworm eggs at a playground and almost died as the larva went into his brain, ate through his -LSB-...]

She explained that the best way to manage the infestation on farms was to detect the pests early at the larvae stage, and not when they became full grown moths.

Meanwhile, Alexander Schier at the University of Harvard and colleagues measured how various drugs changed the sleep - wake cycles of zebrafish larvae (Science, DOI: 10.1126 / science.1183090).

Together with colleagues in Australia and the USA, Martina Ondrovics in the group of Anja Joachim at the University of Veterinary Medicine, Vienna (Vetmeduni) has undertaken a detailed in vitro investigation of the proteins involved in the transition from third - stage to fourth - stage larvae.

With no natural enemies, the comb jelly spreads at an alarming rate, feeding on zooplankton, the food choice of commercially important fish, as well as their eggs and larvae.

They also performed DNA analyses of water samples to identify larvae of vent animals and stable - isotope analysis to assess food supplies at each vent field.

Scientists at the Max Planck Institute for Chemical Ecology in Jena, Germany, and the University of Bern, Switzerland, have now demonstrated that a single compound in the latex protects dandelion roots against voracious cockchafer larvae.

Study co-author Federica Bertocchini, a biologist at Spain's Institute of Biomedicine & Biotechnology of Cantabria, says the larvae's ability to break down their dietary staple — beeswax — also allows them to degrade plastic.

It is, however, clear that cocaine is taken up rapidly and continuously by zebrafish larvae, which at this early stage have not yet a fully developed blood - brain barrier.

«In biology, we might say that an egg, a larva, a pupa and a butterfly are all the same system seen at different stages of development,» Shara says.

This week, Fior, who is at the Champalimaud Centre for the Unknown in Lisbon, and her colleagues reported growing implanted human tumor cells in zebrafish larvae.

At first the virus seems to build up harmlessly in brain cells, but as soon as the larva breaks out, these cells burst open, unleashing destruction all around them.

By applying it artificially, the researchers not only pushed the larvae past the threshold at which they would normally become regular soldiers, but past a second threshold, one that is normally hidden, creating supersoldiers.

Now paleobiologist Conrad Labandeira at the National Museum of Natural History in Washington, D.C., has found signs of an insect larva that apparently resided within tree - fern fronds in the swamp forests of Illinois some 300 million years ago.

The adhesive - secreting bacterium was discovered five years ago by a team led by Ronald Weiner of the University of Maryland at College Park when they were investigating the migration of oyster larvae.

At the Gulf Coast Research Laboratory, Perry is also assessing the damage by collecting, identifying and measuring larvae and juveniles of various species and recording their numbers.

«The oyster larvae are probably at risk both for predation and starvation on their way across Skagerrak, and they may have problems surviving the long journey.

Discus fish feed their young through a strange form of nursing; the larvae nibble at a protein - packed mucus secretion on their parents» skin.

Their eggs and larvae drifted for weeks offshore, bathed in oily water, before the juveniles at last took refuge in the shallow coastal estuaries, where they will mature.

Cobia larvae used in this study were produced from broodstock raised at the UM Experimental Hatchery.

Todd Schlenke at Emory University in Atlanta, Georgia, and his team raised healthy and parasitised larvae in dishes containing normal food or food laced with alcohol.

«Larvae often accumulate in small - scale features such as ocean fronts, where temperature and salinity vary at small distances.

So when bees are born, they are very fat and they stay in the hive and they, you know, they do — they tend to the larvae and they, you know, stick around home; then at this particular point in their life cycle, they lose about half their weight and then they go out and forage and they become the worker bees that are out in the field, getting the pollen.

Researchers at Grand Valley State University's Annis Water Resources Institute are learning more about the impact invasive zebra mussels and native aquatic insect larvae have on the risk of algae blooms in two West Michigan lakes.

«It's over 150 years since Darwin first described the cement glands of barnacle larvae and little work has been done since then,» says Dr Aldred, a research associate in the School of Marine Science and Technology at Newcastle University, one of the world's leading institutions in this field of research.

It was the first documented occurrence of pompano larvae off Oregon in at least 19 years.

Knowing these larvae respond to odors but not fully understanding the process by which they make decisions via olfactory cues, scientists at UC Santa Barbara are using this model organism to study brain function as it relates to behavior control.

The new study led by University of Bristol researchers has used a state - of - the - art computer model to trace the journeys of coral larvae transported at the whim of these currents.