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1. The heritability (h) of liveweight (LW) in ostriches can be highly variable, depending on age at recording. The objective of this study was to consider random regression (RR) as an alternative to the multi-trait (MT) structure for the analysis of repeated measures of LW.
View Article and Find Full Text PDFSci Total Environ
January 2025
College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; Key Laboratory of Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, Harbin 150030, China. Electronic address:
2-Ethylhexyl diphenyl phosphate (EHDPHP) is a widely used organophosphorus flame retardant and plasticizer easily released into the environment. Its biological toxicity is of great concern. The lung is considered a possible target organ for EHDPHP, but currently, there are limited studies on the biotoxicity of EHDPHP in poultry lungs.
View Article and Find Full Text PDFEmerg Microbes Infect
January 2025
Key Laboratory of Livestock Infectious Diseases, Ministry of Education, Key Laboratory of Zoonosis, College of Animal Science and Veterinary Medicine, Liaoning Panjin Wetland Ecosystem National Observation and Research Station, Shenyang Agricultural University, Shenyang, People's Republic of China.
The H9N2 subtype of avian influenza virus (AIV) is widely distributed among poultry and wild birds and is also a threat to humans. During AIV active surveillance in Liaoning province from 2015 to 2016, we identified ten H9N2 strains exhibiting different lethality to chick embryos. Two representative strains, A/chicken/China/LN07/2016 (CKLN/07) and A/chicken/China/LN17/2016 (CKLN/17), with similar genomic background but different chick embryo lethality, were chosen to evaluate the molecular basis for this difference.
View Article and Find Full Text PDFToxicol Rep
June 2025
Department of Animal Sciences, Faculty of Agriculture, University of Zabol, Sistan 98661-5538, Iran.
This study aimed to investigate the effects of dietary methionine (Met) supplementation on performance, immunity, and meat quality in growing Japanese quail exposed to aflatoxin B (AFB)-contaminated diets. Nine experimental diets were formulated, incorporating three levels of dietary Met (5.0, 6.
View Article and Find Full Text PDFJ Appl Microbiol
January 2025
Department of Population Health, College of Veterinary Medicine, 501 D.W. Brooks Dr., University of Georgia, Athens, GA 30602.
Aims: To characterize Escherichia coli O25 ST131 (O25-ST131) isolated from Georgia poultry, - a "global high-risk" clonal strain.
Methods And Results: Using multiplex PCR to detect target genes in 98 isolates of avian pathogenic E. coli (APEC) O25 recovered from avians diagnosed with colibacillosis (n=87) and healthy chicks (n=11) in Georgia, USA.
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