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Inhibitory action of Lippia gracilis Schauer essential oil on pathogenic bacteria and its effects as a growth promoter on quail

Cardoso-Júnior, Gilmar S. ; Rocha, Graziele F. ; Souza, Douglas M. ; Lopes, Claudia C. ; Pereira, Hanna B. J. ; Blank, Arie F. ; Barbosa, Flavio H. F. ; Silva, Camilla M. ; Rodrigues, Paula G. ; Oliveira-Júnior, Gregorio M.

Spanish journal of agricultural research : SJAR, 2021-01, Vol.19 (1), p.603-e0603 [Periódico revisado por pares]

Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria

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  • Título:
    Inhibitory action of Lippia gracilis Schauer essential oil on pathogenic bacteria and its effects as a growth promoter on quail
  • Autor: Cardoso-Júnior, Gilmar S. ; Rocha, Graziele F. ; Souza, Douglas M. ; Lopes, Claudia C. ; Pereira, Hanna B. J. ; Blank, Arie F. ; Barbosa, Flavio H. F. ; Silva, Camilla M. ; Rodrigues, Paula G. ; Oliveira-Júnior, Gregorio M.
  • Assuntos: Agriculture ; alternative antimicrobial ; alternative antimicrobial, birds, carvacrol, nutrition, performance, thymol ; Animal production ; birds ; carvacrol ; Livestock ; nutrition ; thymol
  • É parte de: Spanish journal of agricultural research : SJAR, 2021-01, Vol.19 (1), p.603-e0603
  • Descrição: Aim of the study: To examine the in vitro sensitivity of Salmonella sp. and Escherichia coli strains to the microbial activity of Lippia gracilis Schauer essential oil (LGSEO) and to determine the optimal level of LGSEO as a growth promoter in diets for Japanese quail up to 35 days of age.Area of study: São Cristovão, Sergipe, Brazil.Material and methods: A total of 504 female Japanese quails (Coturnix coturnix japonica) at an initial average body weights of 6.80±0.10 g was allotted to one of six treatments (0, 100, 200, 300, 400 mg/kg of LGSEO and a diet containing 500 mg/kg of bacitracin methylene disalicylate) in 7 replicates, using 12 birds per experimental unit.Main results: In the age period of 21 to 35 days, feed intake declined linearly (p=0.04) and feed efficiency improved (p<0.01), whereas no changes were observed in production performance (p>0.05). The estimated (p=0.01) maximum relative weights of proventriculus and pancreas were obtained at the LGSEO inclusion levels of 196.5 and 251 mg/kg, respectively. Inclusion of 100 to 300 mg/kg of LGSEO in the diet reduced the total Salmonella sp. bacterial count.Research highlights: The use of 196.5 mg/kg of LGSEO in the diet of Japanese quail improved production performance and organ development and demonstrated potential antimicrobial capacity against Salmonella sp. bacteria. Due its pharmacological composition, LGSEO can potentially substitute to antimicrobials, because contains thymol and carvacrol as main active constituents.
  • Editor: Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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