Which one of the following is/are an infectious disease(s) of the cattle?

Options

A. Constipation
B. Cowpox
C. Foot and mouth disease
D. Diabetes

Answer

To determine which of the following is/are infectious diseases of cattle, we will analyze each option provided.

### Step-by-Step Solution:

1. **Identify the Options**: First, we need to identify the diseases listed in the question. The common diseases that can be considered are constipation, cowpox, foot and mouth disease, and diabetes.

2. **Evaluate Constipation**:
- Constipation is a condition that affects digestion and is not caused by pathogens (bacteria, viruses, etc.).
- Therefore, **constipation is NOT an infectious disease**.

3. **Evaluate Cowpox**:
- Cowpox is a viral infection that affects cattle and can be transmitted between animals.
- Thus, **cowpox IS an infectious disease**.

4. **Evaluate Foot and Mouth Disease**:
- Foot and mouth disease is a highly contagious viral disease that affects cloven-hoofed animals, including cattle.
- Therefore, **foot and mouth disease IS an infectious disease**.

5. **Evaluate Diabetes**:
- Diabetes is primarily a metabolic disorder and is not caused by infectious agents. It can arise from genetic factors or lifestyle but is not contagious.
- Hence, **diabetes is NOT an infectious disease**.

6. **Conclusion**: Based on the evaluations:
- The infectious diseases of cattle from the options provided are **cowpox** and **foot and mouth disease**.

### Final Answer:
The infectious diseases of cattle are **cowpox and foot and mouth disease**.