Antibodies present in colostrum which protect the new born from certain diseases is of

Options

A. lgG type
B. lgA type
C. lgD type
D. lgE type

Answer

To answer the question regarding the type of antibodies present in colostrum that protect the newborn from certain diseases, we can follow these steps:

### Step-by-Step Solution:

1. **Understand Colostrum**:
- Colostrum is the first milk produced by the mother after giving birth. It is rich in nutrients and antibodies, which are crucial for the newborn's immune protection.

2. **Identify the Role of Antibodies**:
- Antibodies are proteins produced by the immune system to identify and neutralize foreign objects like bacteria and viruses. They play a vital role in the immune response.

3. **Know the Types of Antibodies**:
- There are five main classes of antibodies: IgG, IgA, IgM, IgE, and IgD. Each type has a specific role in the immune system.

4. **Focus on Antibodies in Colostrum**:
- Among the different types of antibodies, it is important to identify which one is predominantly found in colostrum.

5. **Identify the Correct Antibody**:
- The antibody that is primarily present in colostrum is Immunoglobulin A (IgA). This antibody plays a key role in mucosal immunity and is secreted in various bodily fluids, including colostrum.

6. **Conclusion**:
- Therefore, the antibodies present in colostrum that protect the newborn from certain diseases are of the IgA type.

### Final Answer:
The antibodies present in colostrum which protect the newborn from certain diseases are of the IgA type.