Avian haematology and biochemistry 1. Haematology

Sabater, Mikel; Forbes, Neil

doi:10.1136/inp.g5870

Cited by 3 publications

(2 citation statements)

References 4 publications

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“…Per sample, 100 leukocytes where differentiated into lymphocytes, granulocytes (heterophils, eosinophils and basophils) and monocytes by morphologic and staining characteristics at 1000x magnification and the heterophil/lymphocyte ratio (H/L) was calculated ( Samour, 2006 ). In order to estimate the total number of leukocytes per microliter blood, the number of cells counted in 10 fields at 400x magnification was multiplied by 2000 ( Campbell and Ellis, 2007 ; Sabater and Forbes, 2014 ).…”

Section: Methodsmentioning

confidence: 99%

The prevalence of Leucocytozoon spp. in nestlings of three wild raptor species including implications on haematological and blood chemistry values

Wiegmann

Springer

Rinaud

et al. 2021

International Journal for Parasitology: Parasites and Wildlife

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Leucocytozoonosis is a vector-borne infection of birds, caused by members of the haemosporidian genus Leucocytozoon . The clinical presentation may range from asymptomatic to severe disease. Consequences of Leucocytozoon infection on blood profiles remain to be described, especially for different host species in the wild. In the current study, the prevalence of Leucocytozoon infection was determined in wild nestlings of three European raptor species, the common buzzard ( Buteo buteo , n = 464), red kite ( Milvus milvus , n = 46) and northern goshawk ( Accipiter gentilis , n = 18). Among 528 nestlings, 51.9% (n = 274) were infected with Leucocytozoon spp., whereby the highest prevalence was found in common buzzards (54.9%), followed by red kites (32.6%) and northern goshawks (22.2%). For a subset of 87 individuals (50 common buzzards, 29 red kites, 8 northern goshawks), a detailed analysis of differential leukocyte counts and several blood chemistry parameters in response to infection was conducted: AP (alkaline phosphatase), AST (aspartate aminotransferase), GLDH (glutamate dehydrogenase), LDH (lactate dehydrogenase), GGT (gamma glutamyl transferase), CK (creatine kinase), BuChE (butyrylcholinesterase), BA (bile acids), ALB (albumin) and TP (total protein). Even though in the physiological range, infected nestlings displayed significantly increased levels of heterophils, aspartate aminotransferase, lactate dehydrogenase, bile acids and butyrylcholinesterase, but decreased lymphocyte and monocyte values compared to uninfected ones. Furthermore, significant species differences with regard to blood parameters, but no sex differences were found. Overall, obtained results show a high prevalence, but a low pathogenicity of Leucocytozoon spp. in wild raptor chicks, presumably resulting from coevolutionary adaptation, but show signatures of infection in the haematological and blood chemistry profiles.

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Section: Methodsmentioning

confidence: 99%

The prevalence of Leucocytozoon spp. in nestlings of three wild raptor species including implications on haematological and blood chemistry values

Wiegmann

Springer

Rinaud

et al. 2021

International Journal for Parasitology: Parasites and Wildlife

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“…This article, the second in a two-part series, considers what can be learned from biochemistry, discussing each of the analytes in turn. The irst article, published in the November/December issue of In Practice (Sabater and Forbes 2014), discussed haematology.…”

Section: Birdsmentioning

confidence: 99%

Avian haematology and biochemistry 2. Biochemistry

Sabater¹,

Forbes²

2015

In Practice

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Identification of candidate genes for blood metabolites in Iranian chickens using a genome-wide association study

Javanrouh-Aliabad

Torshizi

Masoudi

et al. 2018

British Poultry Science

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1. In order to identify loci associated with metabolic traits, a genome-wide association study was carried out in a chicken F2 population derived from a reciprocal cross between Iranian Urmia indigenous chickens and Arian broiler line using Illumina 60K Chicken single nucleotide polymorphism (SNP) BeadChip. 2. Six traits including plasma level of triglycerides (TGs), cholesterol (Chol), glucose (Glu), total protein, albumin (Alb) and globulin (Glo) were recorded. The association between the identified SNPs and metabolic traits was estimated by general linear model (GLM) and compressed mixed linear model (CMLM). 3. A total of 38 SNPs were identified at the genome-wide significant and suggestive levels, of which 5 SNPs reached a 5% Bonferroni genome-wide significance (P < 2.58E-6) for TG, Alb and Glo through CMLM, and 21 SNPs were significantly associated with TG, Chol, Glu, Alb and Glo through GLM. 4. Gene ontology showed that these SNPs were located within or near the candidate genes responsible for metabolic traits. 5. In conclusion, the identified candidate genes provided novel information for molecular mechanisms underlying metabolic traits. These findings are important in marker-assisted selection in the chicken breeding scheme.

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Avian haematology and biochemistry 1. Haematology

Cited by 3 publications

References 4 publications

The prevalence of Leucocytozoon spp. in nestlings of three wild raptor species including implications on haematological and blood chemistry values

The prevalence of Leucocytozoon spp. in nestlings of three wild raptor species including implications on haematological and blood chemistry values

Avian haematology and biochemistry 2. Biochemistry

Identification of candidate genes for blood metabolites in Iranian chickens using a genome-wide association study

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