Sentences with phrase «sample tests negative»

Small numbers of coccidia can be hard to detect, so just because a fecal sample tests negative, this doesn't mean the pet isn't infected.

If the «B» sample tests negative, the athlete is presumed to be clean.

Their samples tested negative for any respiratory pathogens known at the time.

Only five of the 24 teams which had provided urine samples tested negative for the presence of clenbuterol.

In other words, fecal samples testing negative which were then sent to university pathology labs showed intestinal parasites 85 % of the time.

Not exact matches

Samples of infant formula feared to have been tampered with have tested negative for pest control poison, sodium monofluoroacetate (1080), says New Zealand Police.

A sample of 250 Leandra's Law convictions in Suffolk from January 2010 to May 2015 found that in 12 cases, the county's probation office did not notify Suffolk prosecutors in a «timely fashion» of «negative activity» recorded on the interlock device, such as failed alcohol tests or attempts to tamper with the device.

Lake Erie water samples tested this week in Albany have come back negative in Erie County for a harmful toxin caused by blue - green algae blooms.

We also sequenced 35 samples from suspected EVD cases that tested negative for EBOV; genomic analysis identified other known pathogens, including Lassa virus, HIV - 1, enterovirus A, and malaria parasites (fig.

«And it also appears to be a relatively new threat to tigers since blood samples from wild tigers prior to 2000 tested negative for antibodies to the virus.»

6 May Canada reports that the worker on the Alberta pig farm tested negative for the virus, although the sample may have been collected too late to detect it.

In Skuse's adaptation of Griess's two - step spot test, the sample from Hill's left hand was negative.

They found that while bunch rot actually led to more positive aroma ratings due to the increased levels of fruity - and vanilla - like notes, powdery mildew decreased the level of pleasant notes in the wine, so that it received more negative ratings from the test panel, who found the infected wine to be less interesting than the healthy sample.

The new test agreed with conventional testing in the other 5 samples that were negative for HPV sequences.

Public health officials sprang into action and tested further samples from the area that triggered the system, but turned up negative results.

Among the 268 respondents who returned their samples, 99 % showed negative results on an antibody test which the authors had already proved gave very accurate results in Sierra Leone2.

Zika - positive and Zika - negative samples were included as well as samples that contained related viruses that cause, for example, dengue fever or yellow fever, in order to test the specificity of the results.

Samples from four other suspected victims, who are still hospitalized but have not yet shown signs of hemorrhaging, have so far tested negative for both Ebola and Marburg, says Ray Arthur, a medical officer in the WHO department of communicable diseases surveillance and response in Geneva.

Lead author Anne Madden cautions that just because samples from parts of the West tested negative for dust mites, it does not mean those areas are devoid of the critters.

The test, known as T2MR, detected Borrelia in blood samples from patients suspected of having Lyme disease that were negative in other tests.

PCR contamination occurring during nested PCR was evaluated by including at least one third as many water controls as test samples in each PCR experiment and were always negative.

To test for the Zika virus, which is transmitted by mosquitos and is linked to birth defects, blood samples have to be sent to a laboratory, where a positive or negative result is generated in a couple days.

Precisely, quantitative RT - PCR tested negative in trachea, brain and liver samples, and tested positive in all other organs.

All samples were from patients whose lesions had previously tested negative using the current CDC diagnostic assay in widespread use.

All samples tested were negative for measles virus [N and H genes], as well as for rubella and mumps:

Some mother - infant pairs had negative test results for maternal, placental, or fetal or infant samples but met the inclusion criteria based on at least 1 sample type.

Errors during collecting, storing or testing urine samples may cause false positive or negative results [6].

Any of these tests may be used for screening, with the awareness that false negatives are common, in that other tissues may contain toxic levels not present in the sample screened.

Again, if you're not ingesting gluten, there may not be as much damage to find, and samples might test negative for celiac disease, even though you actually have the condition.

A sample of the shake tested negative for peanut and treenut protein.

Using the state test data and the full randomized sample, the evaluators report negative impacts for reading, math, and science scores at the end of third grade for children assigned to TVPK.

Canine guests must have had a fecal sample processed within 6 months prior to their boarding reservation that resulted in Negative findings, or be (or have been) actively treated based on the test results.

This means that it's perfectly possible for a stool sample to test negative for whipworms even when a puppy has them.

David Dorman: We took four dogs with prior scent training, and we presented them with two urine samples — one from a dog that had tested positive for cancer, and one that had tested negative for cancer.

Because intestinal parasites do not constantly reproduce eggs, it is possible to have a negative stool sample test, and there still be worms in the intestines.

Negative results may occur even when animals are infected depending on timing of sampling or excessive blood in stool, so an ill animal with negative test results may require further testing and care and should still be handled as though infNegative results may occur even when animals are infected depending on timing of sampling or excessive blood in stool, so an ill animal with negative test results may require further testing and care and should still be handled as though infnegative test results may require further testing and care and should still be handled as though infectious.

In my opinion, it would be wise for any dog that has symptoms compatible with heartworm disease and a negative Snap / Witness test and any dog that has an in - office positive test and no symptoms or indications of heartworm disease to have a blood sample sent off to a sophisticated central veterinary laboratory for confirmation before contemplating the best treatment plan.

Cats that have screened negative for AD - PKD by gene testing (with the sample collected by a vet who also verifies the microchip number of the cat), can be listed on the iCatCare PKD Negative Rnegative for AD - PKD by gene testing (with the sample collected by a vet who also verifies the microchip number of the cat), can be listed on the iCatCare PKD Negative RNegative Register.

Accuracy of antibody test results vary widely based on the stage of larval development at the time of sampling.12 For this reason, although a negative antibody test means an infection is less likely, it does not mean a cat is clear from infection.6, 9 Positive antibody test results are even more troublesome to interpret, as a positive antibody test merely indicates that a cat has been exposed to heartworm disease.

A study on raw diets showed that, despite the fact that 80 % of meat samples were positive for Salmonella, 70 % of the dogs eating that meat tested negative.

FACT: According to the CDC, laboratory results for tick - borne illness in people are often negative on the first sample and require a second test 2 to 3 weeks later to confirm infection.

But antigen negative cats may just not be shedding virus at the time the test sample was collected.

They tested 558 samples that had tested negative for heartworm antigen on the point - of - care test.

The test enables veterinarians to confirm a dog's negative status in approximately two minutes rather than sending samples to a laboratory and waiting two or three days for results.

It is not necessary to heat - treat every sample that tests negative, but if heartworm infection is suspected and the test result is negative, HPT can help ensure an appropriate diagnosis.

The vet center said nine other samples have tested negative for Canine Influenza at their virology lab.

Most adults with negative fecal tests should also be dewormed because the Companion Animal Parasite Council says that about 75 % of pets with negative fecal tests have worms that are found when the samples are tested at universities and parasitology laboratories.

If a blood sample is tested, a false negative may occur.

We test at least one fecal sample to look for intestinal parasites that are infectious to other dogs and people and also run a heartworm test and start them on heartworm prevention if negative, or treat for heartworm infection, if positive.

In addition, results from March 2012 toxic metal analyses, which included tests for heavy metals, have again shown samples of chicken jerky products to be negative for toxic metals.