READING ASSIGN Flashcards
T.F
Body condition and dag scores are reputed to be less reliable than
weight gain in assessing roundworm-related growth checks in sheep or goats, but results, as a TST indicator in ewes, were promising
true
TT and TST are applicable for all ages t/f
t
In practice, however, until
user-friendly and affordable decision support systems become more widely available, __ is likely to remain the principal method of
controlling nematode infections, rather than __
TT
TST.
where the whole flock/herd is
treated based on knowledge of the risk, or parameters that quantify the severity of infection;
trageted tx
where only individual animals within the grazing group
are treated.
TST
most eggs deposited during April, May and
June all reach the infective L3 stage from early summer,
potentially leading to type I clinical disease.
T/F
late summer
The primary objective when treating sheep or
cattle with an anthelmintic drug is to __, thereby suppressing pasture
contamination
limit their faecal
nematode egg output
drug resistance of cooperia
macrocyclic lactone
drugs resistance of O. ostertagia
benzimidazole
anthelmintic
resistant nematodes are more pathogenic than
non-resistant nematodes,
T.F
false
is a practical method for diagnosing and
monitoring anthelmintic resistance.
faecal egg worm count (FEWC)
if
given by injection, has the added benefit of treating
sheep scab.
moxidectin
multiple
anthelmintic resistant
Teladorsagia circumcincta,
the obvious choice as a quarantine anthelmintic
drug for the control of benzimidazole-,
imidazothiazole- and macrocyclic lactone-
resistant nematodes.
monepantel
The amino-acetonitrile derivative (AAD)
anthelmintic drug, having been shown to
be effective against nematode parasites that are resistant to the three existing broad-spectrum
anthelmintic groups.
monepantel
