This page was last updated on: June 3, 2007

MAY  2007  7th  SEMESTER   HOMEWORK 3

1.How is it possible to have both Anaplasma marginale and cattle ticks on a property            without having animal losses or clinical disease?   What is this situation called?

2.      How can you stop an anaplasmosis outbreak?

3.      In what ways do economic losses from anaplasmosis affect cattle production?   Is         the effectiveness of oxytetracycline therapy reduced when more than 15% of an                  animal's red blood cells are parasitized?  Go here for  answers.

4.      Here is a bit of information about the only anaplasmosis vaccine available in the                USA.

5.      How does one control babesiosis in endemic regions?  What is this process known              as?  Is babesiosis zoonotic?  Check the Merck Veterinary Manual online for an                  answer.

6.      Here is a link to some basic information on anthrax.

7.      Can you list guidelines for the control of bovine leukosis?

8.      Check out the Bovine Leukosis Virus Module at this website.

        You can find out about risk factors for BLV

9.      Check out the this website for information about the Tip test for BLV.

10.    Check out the this website for information about the Herd-Chek test for BLV.

11.    Check out the CSU Auscultation Library.  Go to the bovine section and check out

        the heart sounds.  There is also a link to an abomasal sound on this website.

12.    Which heart valve is usually affected with valvular vegetative endocarditis in cattle?

13.     Read some more about copper and iron at the college-level course

        materials from the  salt institute.

14.     In the field, most cases of atrial fibrillation seem to be secondary to

        what disease in cattle?

15.    Here is a short description of brisket disease in cattle

16.    You may be interested in checking out information available on the Tuskegee

       University website.  All of the links are not working currently, but here are two you            can access.  The non-infectious disease link is working.

17.    Visit sheepandgoat.com.   What are seven economic traits that the Barbados                Black Belly sheep have?   Also under sheep breeds find the Awassi.   What is a              special characteristic of this breed and in what part of the world are they                       particularly desirable?

18.    What is the Navajo Churro sheep breed and who introduced this breed to the                        Americas?

19.    When were goats domesticated, according to the Oklahoma State University website?

20.    Check out the miniature sheep breeds at Smokey Valley Farm.

        Also, check out Babydoll Southdown Sheep here.

21.    Where did Boer goats originate?

22.   Which Kenyan sheep breed is important because of genetic resistance to parasitism?

23.   Which breed of sheep did the USDA test along with the St. Croix breed to evaluate          genetic resistance to parasitism?  What was determined to be the mechanism                    involved in the resistance?

24.   What is spider-leg syndrome?  Here is an article on the subject.

25.   What is the callipgye gene in sheep and is it a blessing or a curse?                                  What is the Booroola gene and what does it do?  What is the Carwell gene                      and what does it do?

26.    Review genetic disorders in Nubian goats.  Also, check out this website for                        information on the intersex condition.

27.    Go to this website.  What is this breed used for and where did it originate?

        What are some of the uses for this breed?

28.    For what commercial purposes are goats used by Nexia Biotechnologies?