MAY 2014 HOMEWORK 2
This page was last updated on: May 30, 2014
1. Here is a link to a double-muscled breed of cattle from Italy, one that is being selected for the myostatin gene.
3. You may have heard about Kobe beef from Japan. Here is a link to information about this method of producing beef. These cattle are also being raised in the USA.
Here is also a link to Heartbrand beef.
4. Here is a link to information about the Senepol cattle from St. Croix. You can visit the Castle Nugent on your next trip to the island.
5. Here is the link to the King Ranch. They were responsible for finding the cause of Texas tick fever and the development of the Santa Gertrudis and Santa Cruz cattle breeds and the American Quarter horse.
6. Here is a link to information about the alpha-2 beta casein milk.
2. Here is a link to water buffalo dairy information.
7. Here is a link to information about the Angus genetic profile testing. Genomics is a popular but controversial subject in both dairy and beef cattle breeding in the USA.
12. Check out the University of Florida Beef Cattle Publications website. 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? Horn flies pierce the skin of cattle to suck blood and may take up to 20 meals per day. The irritation and blood loss cause cattle to lose 0.3 to 0.5 lbs per day and for dairy animals cause lower milk production. There are many interesting publications on this website that pertain to topics discussed in class.
13. Check the Merck Manual for a good article on calf diphtheria.
14. Here is an article about a unique method of vaccination.
15. Here is some information about Mannheimia and respiratory disease.
16. Here is some more information about bovine respiratory disease.
17. Of course, there is some more information at this site about respiratory disease in cattle.
18. Read about a genetically engineered shipping fever vaccine here.
11. Here is another link to information about respiratory diseases.
19.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?
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?20. How can you stop an anaplasmosis outbreak?
21. 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.
the effectiveness of oxytetracycline therapy reduced when more than 15% of an animal's red blood cells are parasitized? Go here for answers.22. Here is a bit of information about the only anaplasmosis vaccine available in the USA.
23. 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.
25. Can you list guidelines for the control of bovine leukosis?
26. Check out the Bovine Leukosis Virus Module at this website.
You can find out about risk factors for BLV
27. Check out the this website for information about the Chekit test for BLV.
28. Check out the this website for information about other ruminant test kits.
29. 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.
30. Which heart valve is usually affected with valvular vegetative endocarditis in cattle?
31. In the field, most cases of atrial fibrillation seem to be secondary to
what disease in cattle? "Hypocalcemia or milk fever" is the best answer.
32. Here is a short description of brisket disease in cattle
34. Here is a link to calfology.
