NANOEMULSIFIED CHIVE (Allium schoenoprasum L.) ESSENTIAL OIL IN DRINKING WATER IMPROVES GROWTH AND GUT HEALTH OF BROILERS UNDER COLD-HUMID STRESS

SON, Hoang Van and DUNG, Ngo Mau and HAI, Phan Vu (2026) NANOEMULSIFIED CHIVE (Allium schoenoprasum L.) ESSENTIAL OIL IN DRINKING WATER IMPROVES GROWTH AND GUT HEALTH OF BROILERS UNDER COLD-HUMID STRESS. Online Journal of Animal and Feed Research. 125 - 131. ISSN 22287701

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Abstract

This study evaluated whether supplementing drinking water with a nanoemulsion of chive (Allium schoenoprasum L.) essential oil could improve growth performance and intestinal health of broiler chickens reared under cold and humid stress conditions. One hundred and eighty one-day-old colored Rilai male broiler chicks were brooded for four weeks and then allocated to five treatments (four replicates, nine birds/replicate) for an eight-week trial: an unsupplemented negative control, a positive control receiving tetracycline (50 ppm), and three nanoemulsion doses (25, 50, and 100 μL/L). Chicks were housed on wet litter during a cold-humid period (approximately 12-15°C; 68-75 relative humidity). Compared with the negative control, supplementation at 50 μL/L improved final body weight and weight gain and reduced feed conversion ratio (P < 0.05), while feed intake, water consumption, and mortality were unchanged (P > 0.05). Nanoemulsion supplementation increased lactic acid bacteria counts in ileocecal digesta and reduced Salmonella spp., with no detectable colonies in supplemented groups. Jejunum histomorphology results showed greater villus height and villus width and deeper crypts in the 50 μL/L group (P < 0.01). These findings indicate that nanoemulsified chive essential oil supplied via drinking water, particularly at 50 μL/L, can support performance and intestinal health in broilers under cold-humid stress and may help reduce reliance on antibiotic growth promoters. Further studies are required to evaluate safety, dose tolerance, and possible adverse effects before broad field application. © 2026 The Authors. All right reserved.

Item Type:	Article
Keywords:	Allium schoenoprasum; Broiler chickens; Cold stress; Essential oil; Gut morphology; Intestinal microbiota
Subjects:	S Agriculture > SF Animal culture
Divisions:	Online Journal of Animal and Feed Research (OJAFR)
Page Range:	125 - 131
Journal or Publication Title:	Online Journal of Animal and Feed Research
Journal Index:	Scopus
Volume:	16
Number:	3
Publisher:	Scienceline Publications, Ltd
Identification Number:	https://doi.org/10.51227/ojafr.2026.15
ISSN:	22287701
Depositing User:	Dr. Saeid Chekani-Azar
URI:	https://eprints.science-line.com/id/eprint/1787

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