Animal Husbandry and Veterinary Science is an optional subject that requires a comprehensive understanding of current affairs and news topics related to the field. Here are some specific areas of focus:

1. Animal Health and Disease Outbreaks:
- Stay updated on recent disease outbreaks in animals, both domestic and wild.
- Focus on zoonotic diseases (diseases that can be transmitted between animals and humans) like avian influenza, rabies, brucellosis, etc.
- Understand the measures taken to control and prevent the spread of these diseases.

2. Livestock Production and Management:
- Keep track of new advancements and technologies in livestock production, breeding, and management.
- Stay updated on issues related to animal welfare, including regulations and guidelines.
- Be aware of emerging trends in livestock farming such as organic farming, precision farming, and sustainable practices.

3. Food Safety and Quality Control:
- Follow news related to food safety regulations and standards for animal-derived products.
- Stay informed about the latest practices in food processing, preservation, and packaging.
- Be aware of issues related to antibiotic residues, pesticide contamination, and adulteration in animal products.

4. Government Schemes and Policies:
- Keep track of government initiatives and policies related to animal husbandry, veterinary science, and dairy development.
- Understand the objectives and impact of these schemes, such as the National Livestock Mission, National Animal Disease Control Program, etc.

5. Wildlife Conservation and Ecology:
- Stay updated on wildlife conservation efforts, including the conservation of endangered species and habitat restoration.
- Be aware of issues related to human-wildlife conflict, poaching, and illegal wildlife trade.
- Understand the importance of biodiversity conservation and the role of veterinary science in wildlife health management.

6. One Health Approach:
- Follow news related to the One Health approach, which recognizes the interconnectedness of human, animal, and environmental health.
- Stay informed about global initiatives to address emerging infectious diseases and antimicrobial resistance.
- Understand the role of veterinarians in public health, disease surveillance, and outbreak response.

In conclusion, to excel in the Animal Husbandry and Veterinary Science optional subject, it is important to stay updated on current affairs and news topics related to animal health, livestock production, food safety, government schemes, wildlife conservation, and the One Health approach. Regularly reading newspapers, scientific journals, and relevant websites will help you gather the required information.