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Research Project: Identification of the Ecological Niches and Development of Intervention Strategies to Reduce Pathogenic Foodborne Pathogens in Poultry

Location: Food and Feed Safety Research

Title: Effects of two sources of Mexican oregano oil on performance, blood profile, carcass variables, and meat of broilers

Author
item Silva-vázquez, Ramón - Technological Institute Of Parral
item Duran-meléndez, Lorenzo - Universidad Autonoma De Chihuahua
item Hernández-martínez, Carlos - Universidad Autonoma De Nuevo Leon
item Gutiérrez-soto, Juanita - Universidad Autonoma De Nuevo Leon
item Hume, Michael
item Méndez-zamora, Gerardo - Universidad Autonoma De Nuevo Leon

Submitted to: Revista Brasileira de Zootecnia
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: 3/8/2018
Publication Date: 7/16/2018
Citation: Silva-Vázquez, R., Duran-Meléndez, L.A., Hernández-Martínez, C.A., Gutiérrez-Soto, J.G., Hume, M.E., Méndez-Zamora, G. 2018. Effects of two sources of Mexican oregano oil on performance, blood profile, carcass variables, and meat of broilers. Revista Brasileira de Zootecnia. 47:e20170198. https://doi.org/10.1590/rbz4720170198.
DOI: https://doi.org/10.1590/rbz4720170198

Interpretive Summary: Oregano essential oils have demonstrated positive effects on the growth of broiler chickens. This study was conducted to investigate the effects of Mexican oregano essential oils extracts from Lippia berlandieri Schauer (LBS) and Poliomintha longiflora Gray (PLG) on broiler weight, blood profiles, carcass variables, and meat composition. Broilers were distributed into four dietary treatments: (1) Control diet (CON), (2) CON + LBS, (3) CON + PLG, and (4) CON + LBS and PLG (LBPL). Results showed that LBS and PLG significantly maintained the body weight of broilers without increasing feed and water intake. The combined LBPL and PLG increased bloodcell numbers, low density lipoprotein, and body weights. In dissected birds, LBS treatment alone increased leg bone weight, as well as back, breast, and protein content. In conclusion, giving broiler chickens the two Mexican oregano essential oils had positive effects on growth, blood measurements, body weights, and meat protein content. These results indicated that these two Mexican oregano essential oils may be promising alternatives as growth promoters and enhancers of meat quality in broiler production. This information is of interest to poultry producers and researchers.

Technical Abstract: Oregano essential oils (OEO) have demonstrated effects on growth performance of broilers. This study was conducted to investigate the effects of Mexican oregano essential oils (MOO) extracts from Lippia berlandieri Schauer and Poliomintha longiflora Gray on performance, blood profiles, carcass variables, and meat composition of broilers. A total of 360 one-day-old Ross broilers were randomly distributed into 4 dietary treatments with 6 replicate pens per treatment and 15 birds per pen. The dietary treatments were: (1) basal diet (control, CON), (2) CON + 400 mg/kg MOO Lippia berlandieri Schauer (LBS), (3) CON + 400 mg/kg MOO Poliomintha longiflora Gray (PLG), and (4) CON + 400 mg/kg LBS + 400 mg/kg PLG (LBPL). Results showed that LBS sand PLG significantly (P < 0.05) maintained the body weight of chickens (BW) without increasing feed intake (FI) and water intake (WI) compared to the CON group. Broilers given LBPL and PLG had increased (P < 0.05) blood leukocytes, lymphocytes, low density lipoprotein (LDL), and hot carcass yields. In dissected broilers, LBS presented bone yield lower of leg, back, breast, and protein content (P < 0.05). In conclusion, supplementation with these two MOO exhibited positive effects on broiler performance, blood profiles, carcass traits, and meat composition. These results indicated that these two MOO may be promising alternatives as growth promoters and enhancers of meat quality in broiler production.