Holstein-Friesian, Brown Swiss and Jersey are all well known

Options

A. exotic breeds of cow
B. exotic breeds of goat
C. exotic breeds of poultry
D. animal husbandry scientists.

Explanation

**Step-by-Step Solution:**

1. **Identify the Breeds:** The question mentions Holstein-Friesian, Brown Swiss, and Jersey. These are all names of specific breeds.

2. **Research Each Breed:**
- **Holstein-Friesian:** This breed originated from northern Holland and Friesland. It is primarily known for its high milk production.
- **Brown Swiss:** This breed originated in Switzerland and is also recognized for its milk production and adaptability to various climates.
- **Jersey:** This breed comes from Jersey Island and is known for its rich milk, which has a high butterfat content.

3. **Categorize the Breeds:** All three breeds mentioned are types of cattle. They are not goats or poultry, which eliminates options related to those animals.

4. **Select the Correct Option:** Since Holstein-Friesian, Brown Swiss, and Jersey are all breeds of cows, the correct answer is that they are well-known exotic breeds of cow.

5. **Conclusion:** Therefore, the answer to the question is that Holstein-Friesian, Brown Swiss, and Jersey are well-known exotic breeds of cow.

**Final Answer:** Exotic breeds of cow.

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