Identify the correct statement about the syndrome of enteritis-mortality in the pavipollo (PEMS)

a. It affects only adult chickens.
b. It is caused by an astrovirus.
c. It is characterized by lesions in the skin without feathers.
d. It is transmitted mainly by air.
a) It affects only adult chickens.
b) It is caused by an astrovirus.
c) It is characterized by lesions in the skin without feathers.
d) It is transmitted mainly by air.