Bovine Leukemia Virus and Breeding Practices

The video discusses the importance of purchasing bulls for beef production and the common practice of conducting breeding soundness exams. However, it highlights the lack of disease testing, particularly for bovine leukemia virus, which can be transmitted through blood. A study in Michigan found that bulls could be a source of virus transmission during breeding. The video recommends testing bulls for the virus before breeding to prevent its spread.

Why is purchasing a bull considered a significant investment for beef producers?

• Bulls are rare and hard to find.

• Bulls are used for milk production.

• Bulls are expensive and crucial for breeding.

• Bulls require special feeding.

Which of the following diseases is NOT mentioned as being spread by bulls?

• Trichomonas

• Foot-and-mouth disease

• Bovine leukemia virus

• Bovine diarrhea

What percentage of cattle infected with bovine leukemia virus show persistent lymphocytosis?

• 70%

• 50%

• 30%

• 10%

How is bovine leukemia virus primarily transmitted among cattle?

• Through water

• Through feed

• Through air

• Through blood

What is a recommended practice to prevent the spread of bovine leukemia virus during breeding?

• Isolating infected cows

• Vaccinating all cattle

• Testing bulls before breeding

• Using antibiotics