cattle parasites

Question 1

what do you need to remember about parasitic loads

Answer 1

number of parasites have no relationship with the clinical signs

Question 2

for horses what do we use FEC for

Answer 2

treatment >500 .treat

Question 3

for sheep what do we use FEC for

Answer 3

breeding purposes

Question 4

for cattle what do we use FEC for?

Answer 4

anthelmintic efficacy evaluation. pre and post drug

Question 5

what are the important parasites in cattle

Answer 5

trichostrongles

ostertagia
cooperia

Question 6

most strongylid eggs in the manure of young cattle are

Answer 6

Cooperia

Question 7

when are infections of trichostrongyles most important

Answer 7

in young animals, 1st and 2nd calf cows

Question 8

does cooperia matter?

Answer 8

can cause decreased gains

Question 9

which stage of operation in cattle have the highest rates of resistance to parasites

Answer 9

beef cow-calf operations because they are in the grass

Question 10

for the FECRT, what % are we looking for to know if a drug is resistant

Answer 10

drug efficacy over 90%

Question 11

cow do we feel about combo treatments

Answer 11

they are the last hope. if this doesnt work there is nothing to do. separate animal so feces dont get to others

Question 12

if two drugs dont have 90% efficacy alone can you use them together

Answer 12

combination was effective

Question 13

what is the main thing we must remember when deworming

Answer 13

maintain refugia. dont deworm all them

Question 14

what are the current recommendations to maintain refugia

Answer 14

leave a proportion of animals untreated. 10-20%