Oorsig/Review
3. Immune reaction to gut-membrane
proteins are mediated through: 9. What is the main advantage of using a
vaccination to protect against H.contortus?
a. Complement
b. Cytokines
c. Antibodies
d. Chemokines
e. T-cells a. Decrease worm numbers in abomasum
b. Decrease pasture contamination
c. Increase growth rate
d. Increase lambing %
e. Increase ADG (Average daily gain)
4. Vaccine-induced immunity can be
transferred to lambs by:
a. Colostrum
b. Placenta
c. Blood
d. Saliva
e. None of the above
5. Vaccination with H.contortus antigen will
protect against:
a. Cooperia oncophora
b. Thrichostrongylus axei
c. Teladorsagia circumcinta
d. Haemonchus placei
e. All of the above
6. Primary immunity is induced with:
a. 1 vaccination
b. 2 vaccinations given at an 6 to 8 week interval
c. 5 vaccinations given at 6 to 8 week interval
d. 3 vaccinations given at 3 to 4 week interval
e. 5 vaccinations given at 3 to 4 week interval
7. What is the critical cut off point of faecal
egg counts for initial vaccination to induce
primary immunity?
10. For vaccination to ensure better
control of roundworms when compared to
conventional anthelmintic treatments it
should give protection:
a. To 90% of the flock with an 80% efficacy
b. To 75% of the flock with an 90% efficacy
c. To 75% of the flock with an 75% efficacy
d. To 80% of the flock with an 80% efficacy
e. To 65% of the flock with 65% efficacy
FOR ANIMAL USE ONLY
BE PART OF THE
WIREVAX
REVOLUTION
Reg.No. G4200 (Act 36/1947)
1 VACCINE AGAINST WIREWORM IN SOUTH AFRICA
ST
a. 0
b. 100
c. 1000
d. 1500
e. 10000
8. Which production stadia is most
vulnerable for H.contortus infection and will
mount a poor immune reaction with any
vaccination?
a. Rams
b. Weaners
c. Replacement ewes
d. Pregnant ewes
e. Lambs younger than 6 months
24
Only for use under the
supervision of a veterinarian
1 ml
FOR MORE INFORMATION: 0860 833 2787 or 012 817 9060
Available
pack sizes
Wirevax: Reg. No. G4200 (Act 36/1947) Contains: Haemonchus contortus antigen
5 μg/ml Manufacturer: Wormvax Australia Pty Ltd at the Albany Laboratory of the Dept of Agriculture and
Food, Western Australia Registration holder: Afrivet Business Management (Pty) Ltd Co/Mpy. Reg. No.
2000/011263/07, PO Box 2009, Faerie Glen, 0043, RSA Web: www.afrivet.co.za
250 ml
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