to identify twin pregnancies
to detect EED
to plan further breeding
all of the above

2. The broodmares energy and protein requirements:

increase during 4-8 months of gestation
increase ver maintenance in the last trimester
are not important during pregnancy
depend on the forages fed

3. Deficiencies of trace minerals such as copper and selenium:

do not occur in the US
do not effect broodmares
can cause fetal disease
can be balanced by feeding salt blocks ad libitum

4. In preparation for birth, broodmares should be:

vaccinated for tetnaus, EEE,VEE,WEE and influenza 4-6 weeks prior to birth
moved to the environment she will foal in 4-6 weeks in advance
have Caslick's suture removed one week prior to birth
all of the above

5. Parasite control is important:

to decrease the chance of foal heat diarrhea
to decrease colic of the foal in utero
to increase chance of filly
none of the above