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Background: Nasal defects after skin cancer excision can often be healed by second intention in certain circumstances.
Objective: We aim to demonstrate the utility of bovine collagen xenografts in supplementing second-intention healing of a variety of nose surgical defects.
Results: Thirty-nine patients underwent Mohs micrographic surgery of the nasal tip (33%), ala (23%), dorsum (31%), sidewall (10%), and root (3%) with the application of bovine collagen xenograft.
Treatment of cattle with ivermectin and its effect on dung degradation and larval abundance in a tropical savanna setting.
One Health
June 2025
Department of Entomology, Virgina Polytechnic Institute & State University, Blacksburg, VA 24061, USA.
When ingested as part of a blood meal, the antiparasitic drug ivermectin kills mosquitoes, making it a candidate for mass drug administration (MDA) in humans and livestock to reduce malaria transmission. When administered to livestock, most ivermectin is excreted unmetabolized in the dung within 5 days post administration. Presence of ivermectin, has been shown to adversely affect dung colonizers and dung degradation in temperate settings; however, those findings may not apply to, tropical environment, where ivermectin MDA against malaria would occur.
View Article and Find Full Text PDFMore inputs of antibiotics into groundwater but less into rivers as a result of manure management in China.
Environ Sci Ecotechnol
January 2025
Earth Systems and Global Change Group, Environmental Sciences Department, Wageningen University & Research, Droevendaalsesteeg 4, Wageningen, 6708 PB, the Netherlands.
Antibiotics are extensively used in livestock production to prevent and treat diseases, but their environmental impact through contamination of rivers and groundwater is a growing concern. The specific antibiotics involved, their sources, and their geographic distribution remain inadequately documented, hindering effective mitigation strategies for river and groundwater pollution control caused by livestock production. Here we develope the spatially explicit MARINA-Antibiotics (China-1.
View Article and Find Full Text PDFAssessment of HACCP plans and Colombian regulations in municipal cattle slaughterhouses for the assurance of standardised food safety and quality management systems.
Heliyon
December 2024
Departamento de Agroindustria, Facultad de Ciencias Agrarias, Universidad Del Cauca, Sede Las Guacas, A.A, 190002, Popayán, Colombia.
Colombia has strengthened regulations to ensure standardized food safety and quality in bovine slaughterhouses. To this end, the Ministry of Health and Social Protection designed to empower INVIMA, as the governing and coordinating authority for the operation of the Official Meat Inspection, Surveillance and Control System. This regulation aims to evaluate the technical conditions of infrastructures, slaughter processes and quality and safety assurance systems.
View Article and Find Full Text PDFTranscriptomic effects of alginate hydrogel applied to the production of bovine embryos.
Heliyon
December 2024
Faculty of Animal Science and Food Engineering, Department of Veterinary Medicine, University of São Paulo, Pirassununga, SP, Brazil.
-produced blastocysts are exposed to different stimuli when compared with ones. This includes the culture of embryos in a sturdy petri-dish, while embryos develop in a soft and dynamic structure. Here we hypothesized that a softer environment could differently modulate the produced embryos To that aim, presumptive zygotes were produced by fertilization and divided into three groups: 1) Cultured in a regular Petri dish - Control (CON); 2) Cultured on top of an alginate hydrogel surface (TOP); 3) Encapsulated inside an alginate hydrogel sphere (ENC) and cultured.
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