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Residue Elimination Patterns and Determination of the Withdrawal Times of Seven Antibiotics in Eggs of Taihang Chickens.
Animals (Basel)
December 2024
College of Veterinary Medicine, Hebei Agricultural University, Baoding 071000, China.
The objective of this study was to examine the residue elimination patterns of seven antibiotics in the eggs of Taihang chickens under free-range conditions and develop suitable withdrawal times (WDTs). A total of 240 healthy Taihang chickens, aged 180 days, were randomly divided into eight groups of 30 birds each. The first seven groups were administered oxytetracycline, chlortetracycline, erythromycin, tylosin, tylvalosin, lincomycin, and tiamulin, respectively, in accordance with the maximum dosages and longest durations of treatment recommended by the Veterinary Pharmacopoeia of the People's Republic of China.
View Article and Find Full Text PDFProduction performance, serum lipid profile and gut health in Indian native Kadaknath chickens fed diet incorporated with liquorice root powder.
Heliyon
November 2024
Avian Nutrition and Feed Technology Division, Central Avian Research Institute, Izatnagar, 243 122, India.
The principal constituent of liquorice root () is glycyrrhizin, a triterpene saponin that is approximately many times sweeter than sucrose, the main active component. This study aimed to investigate the dietary liquorice root powder (LRP) on production performance, serum biochemical, gut health and carcass characteristics of Kadaknath (KN) birds as replacement of antibiotic growth promoter. Day-old Kadaknath chicks (n = 240) with uniform body weight were selected randomly and divided into six different treatments, each one with five replicates and eight birds per replicate, and raised in battery brooder cages for 15 weeks.
View Article and Find Full Text PDFOccurrence and antimicrobial resistance of Salmonella isolates in farrow-to-finish pig farms in Bulgaria.
Pol J Vet Sci
September 2024
National Diagnostic and Research Veterinary Medical Institute, National Food Safety Center, 15 Pencho Slaveykov blvd, 1606, Sofia, Bulgaria.
Salmonella spp. is an important zoonotic and foodborne pathogen. It is spread worldwide and represents a public health risk.
View Article and Find Full Text PDFPhotocatalytic degradation of tetracycline antibiotics and elimination of N-nitrosodimethylamine formation potential by BiOCl/ZnInS heterostructure under visible-light irradiation.
J Environ Manage
December 2024
State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, PR China.
Photocatalysis is an effective method for removing tetracycline antibiotics, which are important precursors to the potential carcinogen N-nitrosodimethylamine (NDMA). Herein, a BiOCl/ZnInS heterojunction was successfully synthesized using a simple hydrothermal method. This heterojunction was applied for the first time to degrade various tetracycline antibiotics and reduce NDMA formation potential (NDMA-FP) under visible-light irradiation.
View Article and Find Full Text PDFDynamic interaction of antibiotic resistance between plant microbiome and organic fertilizers: sources, dissemination, and health risks.
World J Microbiol Biotechnol
December 2024
Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, 730000, Gansu, People's Republic of China.
Antibiotic resistance is a global health problem driven by the irrational use of antibiotics in different areas (such as agriculture, animal farming, and human healthcare). Sub-lethal concentrations of antibiotic residues impose selective pressure on environmental, plant-associated, and human microbiome leading to the emergence of antibiotic-resistant bacteria (ARB). This review summarizes all sources of antibiotic resistance in agricultural soils (including manure, sewage sludge, wastewater, hospitals/pharmaceutical industry, and bioinoculants).
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