Common Diseases in Broiler Chickens

Maintaining flock health is a constant battle against viral, bacterial, and protozoal threats that can devastate a farm’s profitability. The most pervasive economic challenge is Coccidiosis, a parasitic infection of the intestinal tract that severely impairs nutrient absorption and leads to poor Feed Conversion Ratios (FCR). On the viral front, farmers must guard against highly contagious respiratory diseases like Newcastle Disease (ND) and Infectious Bronchitis (IB), which can cause high mortality rates if vaccination protocols are ignored. These diseases often spread rapidly in high-density environments, making early detection of lethargy or respiratory “snicking” essential for survival.

In 2026, the industry is placing a heightened focus on managing bacterial enteric diseases, particularly Necrotic Enteritis caused by Clostridium perfringens. As the shift toward antibiotic-free production continues, preventing these infections relies heavily on biosecurity and gut integrity rather than routine medication. Modern management strategies include the use of competitive exclusion products and acidifiers in drinking water to inhibit the growth of pathogens like Salmonella and E. coli. By combining a rigorous vaccination schedule with strict “all-in, all-out” management, farmers can mitigate these biological risks and ensure the flock reaches market weight on schedule.