It is currently not possible to conduct prospective cohort studies
because fecal samples are not available.
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.
Not exact matches
The team determined that the
fecal samples were from humans
because other mammals, such as wolves and lions, can not convert cholesterol to coprostanol, as primates do when they eat meat.
The hair proved to be that of an agouti, the
fecal samples did not reveal any DNA aside from, in one case, that of a giant anteater, and the casts don't hold any scientific weight, as Oren readily points out, «
because they can be easily faked.»
Because the function of the worm segment is to leave the pet before laying its eggs, it is not unusual for a
fecal examination to not show tapeworm eggs in the stool
sample.
In some cases our doctor's will treat for a specific parasite, even on a negative
fecal sample, when they feel there is a likelihood of infestation,
because some internal parasites eggs are notoriously hard to detect.
Taking them a
fecal sample is ideal
because it will give you a better (larger, more representative)
sample and he won't have to have the
fecal loop shoved up his poor booty.
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.
Because of this new research, many veterinary clinics have begun recommending that pets receive deworming medication even when they have negative
fecal samples.