Animal Antibiotics and Antimicrobials Market Size & Forecasts 2026-2035, By Segments (Animal Type, Distribution Channel, Mode of Delivery, Product), Growth Opportunities, Innovation Landscape, Regulatory Shifts, Strategic Regional Insights (U.S., Japan, China, South Korea, UK, Germany, France), and Competitive Dynamics (Zoetis, Elanco, Merck Animal Health, Boehringer Ingelheim, Bayer Animal Health)