Results 261 to 270 of about 160,080 (300)

Coinfection with infectious bronchitis virus exacerbates the pathogenicity of <i>Riemerella anatipestifer</i> in chickens. [PDF]

Front Vet Sci
Cong Y, Chen H, Gao Y, Ma X, Song X, Liu X, Li Y, Qin Z, Lv J.   +8 more
europepmc   +1 more source

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Free-range layer chickens as a source of Campylobacter bacteriophage

Antonie van Leeuwenhoek, 2007
Bacteriophage specific for Campylobacter were isolated from chicken excreta collected from established free-range layer breed stock. Bacteriophage were either propagated on a Campylobacter jejuni host with broad susceptibility to bacteriophage (NCTC 12662) or on Campylobacter isolates from the same samples.
Catherine M, Loc Carrillo, Phillippa L, Connerton, Tom, Pearson, Ian F, Connerton   +3 more
openaire   +2 more sources

Neospora caninum in free-range chickens of Central Mexico

Veterinary Parasitology: Regional Studies and Reports, 2016
The objective of this study was to identify the presence of Neospora caninum by polymerase chain reaction (PCR), in brain, myocardium and liver (150 organs) obtained from 50 free-range chickens (Gallus domesticus) that coexisted with bovines and dogs in Central Mexico. N.
D G, Romero, G F D, Sánchez, S E, Morales   +2 more
exaly   +3 more sources

Antibodies to Toxoplasma gondii in slaughtered free-range and broiler chickens

Veterinary Parasitology, 2019
The consumption of undercooked infected chicken can be a source of infection for humans and carnivores regarding the zoonotic protozoan parasite Toxoplasma gondii. Furthermore, free-range chickens are sentinels for the presence of T. gondii oocysts in the environment because they feed from the ground.
Filipa T. Rodrigues, Fernando A. Moreira, Teresa Coutinho, Jitender P. Dubey, Luís Cardoso, Ana Patrícia Lopes   +5 more
openaire   +2 more sources

Enteric bacteria enumeration in free range chickens

2011
The safety and microbiological properties of chickens reared in free-range production systems (according to the EC Directive 1538/91) were compared with those of chickens reared under conventional systems. Free range chickens belonging to medium growing Isa strain were raised for 70 d with continuous daytime access to open-air area from 28 d to ...
MANFREDA, GERARDO, PASQUALI, FREDERIQUE, DE CESARE, ALESSANDRA, PETRACCI, MASSIMILIANO, FRANCHINI, ACHILLE, CAVANI, CLAUDIO   +5 more
openaire   +2 more sources

Meat quality characteristics of free range chickens

2011
There is a growing consumer interest towards poultry products coming from unconventional housing systems with outdoor access. A study was conducted to characterize carcass traits and meat chemico-physical properties of chickens labelled free-range (according to the EC Directive 1538/91) if compared with conventional ones.
PETRACCI, MASSIMILIANO, RIMINI, SIMONE, MANFREDA, GERARDO, CAVANI, CLAUDIO, FRANCHINI, ACHILLE   +4 more
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Relationship between ranging behavior and spatial memory of free-range chickens

Behavioural Processes, 2019
Different personalities may lead to different ways of processing environmental information; however, the relationship between personality and cognition is not fully understood as studies on diverse species present contrasting results. As there is great within-flock variability of outdoor ranging behavior in free-range broiler chickens, we tested ...
Vitor Hugo Bessa Ferreira, Flore Lormant, Mathilde Valenchon   +2 more
exaly   +6 more sources

Gastrointestinal parasites of free-range chickens.

Annals of parasitology, 2015
The aim of the study was to determine the prevalence and intensity of parasitic gastrointestinal infections in free-range chickens from the West Pomerania province. Experimental material for the study was taken from 10 farms. Breeds raised in farms participating in the study included miniature chickens called Polish Lilliputians and Green- legged ...
Agnieszka, Tomza-Marciniak, Bogumiła, Pilarczyk, Berenika, Tobiańska, Natalia, Tarasewicz   +3 more
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Keep the chickens cooped: the epistemic inadequacy of free range metaphysics

Synthese, 2017
This paper aims to better motivate the naturalization of metaphysics by identifying and criticizing a class of theories I call ’free range metaphysics’. I argue that free range metaphysics is epistemically inadequate because the constraints on its content—consistency, simplicity, intuitive plausibility, and explanatory power—are insufficiently robust ...
openaire   +1 more source