Results: 339

Probiotic and synbiotic in broiler diet: performance and Enterobacteriaceae

The objective of this study was to evaluate the effects of probiotics and synbiotics on the performance and Enterobacteriaceae count of broiler chickens. A total of 640 one-day-old male broiler chicks were distributed in a completely randomized design with four treatments and eight replicates with 20 bir...

Causas de perdas em abatedouro de frango de corte relacionadas ao manejo pré-abate

Rev. bras. ciênc. vet; 27 (4), 2020
Os mercados importadores de carne de frango brasileira estão se tornando cada vez mais exigentes em relação aos princípios do bem-estar animal na criação e abate de frangos de corte. Desta forma, adaptar a cadeia avícola a tais exigências depende do controle de falhas no manejo pré-abate, que s�...

Prevalence of Campylobacter jejuni and Campylobacter coli from broilers at conventional and kosher abattoirs and retail stores

Rev. argent. microbiol; 52 (3), 2020
Abstract We studied and compared the prevalence of Campylobacter jejuni and Campylobacter coli in chicken carcasses from conventional and kosher broiler abattoirs and retail stores. The prevalence of thermotolerant Campylobacter-positive carcasses was 94.0 (kosher) and 32.0% (conventional) (p< 0.0001)...

Detecção de listeria monocytogenes em produtos lácteos e produtos cárneos à base de frango

Listeria monocytogenes é um patógeno de origem alimentar que frequentemente causa infecções, podendo até ser fatal. Trata-se de um microrganismo ubiquitário, transmitido ao ser humano principalmente por meio dos alimentos, como os produtos prontos para o consumo. O objetivo deste estudo foi verific...

Phenotypic and molecular characterization of erythromycin resistance in Campylobacter jejuni and Campylobacter coli strains isolated from swine and broiler chickens

Pesqui. vet. bras; 40 (8), 2020
Campylobacter spp. is a bacterial agent that causes gastroenteritis in humans and may trigger Guillain-Barré Syndrome (GBS) and is also considered one of the main foodborne diseases in developed countries. Poultry and pigs are considered reservoirs of these microorganisms, as well as raw or undercooked ...

Effects of dexamethasone on the morphometry and biometry of immune organs of broiler chicken

Int. j. morphol; 38 (4), 2020
The study was conducted to examine the histological changes i.e. morphology and biometry of immune organs (thymus, spleen and bursa cloacalis or «Fabricius») of broilers in response to dietary dexamethasone (DEX). The day old chicks were obtained from the commercial hatchery and randomly divided into t...

The effect of Spirulina algae on the immune response of SPF chickens to commercial inactivated Newcastle vaccine in poultry

The objective of this study was to investigate the effects of Spirulina platensis (SP) powder supplementation on immune response in SPF chickens. For this purpose, 120 SPF chicks were randomly clustered into six groups consisting of 20 birds each which assigned to five groups vaccinated by commercial ina...

Quinolones resistance in Salmonella spp. isolated from broilers and chickens carcasses under federal inspection

Pesqui. vet. bras; 40 (7), 2020
We analyzed 77 Salmonella spp. strains, from which 20 were isolated from broilers (cloacal swabs) and 57 from chickens from slaughterhouses under federal inspection. The following serotypes were identified: Salmonella Saint Paul (29), Salmonella Heidelberg (27), Salmonella Anatum (9), Salmonella Cerro (5...

Exigência de lisina digestível de frangos de corte machos de 22 a 42 dias de idade

O objetivo deste estudo foi determinar a exigência de lisina digestível para frangos de corte machos sob as características de desempenho, composição corporal e rendimento de carcaça dos animais, de 22 a 42 dias de idade. As dietas diferiram quanto aos níveis de lisina digestível, mantendo-se a r...

Características do trato digestivo, metabolizabilidade e retenção de nutrientes em frangos de corte alimentados com complexo enzimático

The objective was to evaluate the digestive tract characteristics, metabolizability and nutrient retention of broilers fed diets supplemented with enzyme complex (EC). To evaluate the characteristics of the digestive tract 600 female Cobb 500 birds were used, distributed in a completely randomized design...