Occurrence of extended-spectrum beta-lactamase-producing Enterobacteriaceae, microbial loads, and endotoxin levels in dust from laying hen houses in Egypt

Table 1 Detection of Enterobacteriaceae^a and ESBL-producing Enterobacteriaceae^a and occurrence of MRSA and Salmonella spp. in settled dust from laying hen farms (n = 28)

	*Enterobacteriaceae* recovered from MacC agar plate			ESBL *Enterobacteriaceae* recovered from Br-ESBL agar plate				MRSA on CHROM agar (PE)	*Salmonella* spp. on MSRV Agar (PE)
	DP	PE	Total positive	DP	DP MacC	PE	Total positive	MRSA on CHROM agar (PE)	*Salmonella* spp. on MSRV Agar (PE)
Positive samples	16	20	23	6	7	16	23	0	0
Percent (%)	57	71	82	21	25	57	82	0	0

MacC MacConkey, Br-ESBL Brilliance Extended Spectrum Beta Lactamase, MRSA Methicillin-resistant Staphylococcus aureus, MSRV Modified Semi-solid Rappaport-Vassiliadis, DP Direct Plating, PE Pre-Enrichment
^aAfter direct plating and/or enrichment in Luria-Bertani broth

ISSN: 1746-6148