Poultry fowl are susceptible to the following pathogensVirusesBacteriaFungiAll of the above

The correct answer to the question regarding the susceptibility of poultry fowl to various pathogens is All of the above.

Poultry fowl can indeed be affected by a variety of pathogens, including:

1. Viruses: Poultry can be infected by several viral diseases such as Avian Influenza, Newcastle Disease, and Infectious Bronchitis, which can lead to significant health issues and economic loss.

2. Bacteria: Bacterial infections are also common in poultry, including Salmonella, Escherichia coli (E. coli), and Mycoplasma, among others. These infections can cause severe illness and impact the birds' productivity.

3. Fungi: Fungal infections, such as those caused by Aspergillus species leading to Aspergillosis, can cause respiratory issues and other health problems in poultry.

Since poultry are susceptible to all these forms of pathogens, it is crucial for poultry farmers to maintain biosecurity measures and health management practices to minimize the risk of disease outbreaks.