Methods are disclosed for detecting, quantifying and/or identifying a
fungal species in a sample or for diagnosing jejunal hemorrhage syndrome
in a subject. The methods generally include amplifying a fungal nucleic
acid sequence present in the sample using a primer selected from the
group consisting of: SEQ. ID NO 5, SEQ. ID NO 6, SEQ. ID NO 7, SEQ. ID NO
8, SEQ. ID NO 9, SEQ. ID NO 10, SEQ. ID NO 11, SEQ. ID NO 12, SEQ. ID NO
13, SEQ. ID NO 14 or SEQ. ID NO 16; and observing or measuring the
amplified nucleic acid sequence. The fungal species can thereby be
detected, quantified, and/or identified. Fungal contamination also can be
detected or measured in a biological or feed or food sample.