This page was last updated: July 4, 2006

HOMEWORK -- page 3

1.   Check out the University of Florida Beef Cattle Publications website.                        Approximately how much will an owner lose in terms of medication and                       production loss if a group of feeder calves gets sick at a feedyard?

      How does one define a "healthy" animal or herd of animals?

      What is the estimated blood loss per animal per day from an economic                       threshhold level of horn fly infestation?   There are many interesting                          publications on this website that pertain to topics discussed in class.

Here you will find a good article on calf diphtheria.

Is babesiosis a zoonotic disease?

2.   Check out the Merck Veterinary Manual .

3.   Here is an article about a unique method of vaccination.

4.   Here is some information about Mannheimia and respiratory disease.

5.   Here is some more information about bovine respiratory disease.

  6.   Of course, there is some more information at this site about respiratory disease in cattle.

  7.   The Center for Veterinary Medicine can be found here.

  8.   Read about a genetically engineered shipping fever vaccine here.

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

10.   What is this situation called?

11.   How can you stop an anaplasmosis outbreak?

12.   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.

13.   Answer these questions about BLV in beef cattle.

a.   In the 1997 survey of beef herds in the USA, what percentage of                             herds were infected?

b.   What section of the USA had the highest herd infection rate?

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

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

16.     Read some more about copper deficiency here.

17.     In the field, most cases of atrial fibrillation seem to be secondary to what               disease in cattle?

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

         You can find out about risk factors for BLV.

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

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

21.   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.

22.   Check out the this website for information about the traumatic reticuloperitonitis.

23.   Check out the this website for information about bovine differential diagnosis.

24.   Here is the link to the Penn State dairy nutrition website and the videos about nutrition.

25.   Here is the link to an interesting article about vagus indigestion and if you are clever you can             back up to a story about a goat.