Results 1 to 10 of about 1,087 (169)

Assessment of the feed additive consisting of lasalocid A sodium (Avatec® 150G) for turkeys, pheasants, guinea fowl, quails and partridges except laying birds thereof for the renewal of its authorisation (Zoetis Belgium SA) [PDF]

EFSA Journal
Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety and efficacy of lasalocid A sodium (Avatec® 150G) as a coccidiostat for turkeys, pheasants, guinea fowl, quails and partridges.
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP), Roberto Edoardo Villa, Giovanna Azimonti, Eleftherios Bonos, Henrik Christensen, Mojca Durjava, Birgit Dusemund, Ronette Gehring, Boet Glandorf, Maryline Kouba, Marta López‐Alonso, Francesca Marcon, Giovanna Martelli, Carlo Nebbia, Alena Pechová, Miguel Prieto‐Maradona, Katerina Theodoridou, Pier Sandro Cocconcelli, Jürgen Gropp, Guido Rychen, Ivana Teodorivic, Jaume Galobart, Fabiola Pizzo, Maria Vittoria Vettori, Orsolya Holczknecht, Elisa Petenatti, Alberto Navarro‐Villa   +26 more
doaj   +3 more sources

Revisiting Old Ionophore Lasalocid as a Novel Inhibitor of Multiple Toxins

Toxins, 2020
The ionophore lasalocid is widely used as a veterinary drug against coccidiosis. We found recently that lasalocid protects cells from two unrelated bacterial toxins, the cytotoxic necrotizing factor-1 (CNF1) from Escherichia.
Jean-christophe Cintrat, Emmanuel Lemichez, Daniel Gillet   +2 more
exaly   +3 more sources

Assessment of the application for modification of the terms of authorisation of the feed additive consisting of Heyndrickxia faecalisDSM 32016 (TechnoSpore50®) (Biochem Zusatzstoffe Handels‐ und Produktionsges. mbH) [PDF]

EFSA J
Abstract Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the modification of the terms of authorisation of Heyndrickxia faecalis (formerly identified as Weizmannia faecalis) DSM 32016 (TechnoSpore50®), as a zootechnical feed additive authorised for use in all poultry species for fattening, reared for ...
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP), Roberto Edoardo Villa, Giovanna Azimonti, Eleftherios Bonos, Henrik Christensen, Mojca Durjava, Birgit Dusemund, Ronette Gehring, Boet Glandorf, Maryline Kouba, Marta López‐Alonso, Francesca Marcon, Giovanna Martelli, Carlo Nebbia, Alena Pechová, Miguel Prieto‐Maradona, Katerina Theodoridou, Montserrat Anguita, Rosella Brozzi, Matteo L. Innocenti, Jaume Galobart, Alberto Navarro Villa, Sofia Sandalli   +22 more
europepmc   +2 more sources

Trends in Veterinary Drug Residues in US Cattle: Analysing USDA Sampling Data. [PDF]

Vet Med Sci
National US residue monitoring data (2021–2023) were analysed to characterise veterinary drug residue detections in cattle. Detection patterns varied by cattle type, with dairy cows accounting for the highest number of detections and a consistent group of commonly used drugs responsible for most violative and non‐violative findings.
Alwahaimed AS, Eifert J.
europepmc   +2 more sources

Structural Basis of Sequential Enantioselective Epoxidation by a Flavin-Dependent Monooxygenase in Lasalocid A Biosynthesis. [PDF]

Angew Chem Int Ed Engl
Lsd18 is a flavin‐dependent monooxygenase from Streptomyces lasalocidi that performs two enantioselective epoxidations during lasalocid A biosynthesis. X‐ray crystal structures of Lsd18 bound to a substrate and product analogue illuminate how this enzyme performs multiple epoxidations on the same substrate molecule and how it controls stereoselectivity.
Wang Q, Deng Y, Viera D, Liu X, Liu N, Hu Y, Hu X, Wei H, Zhou Q, Lan T, He W, Chen X, Kim CY.   +12 more
europepmc   +3 more sources

Screening of Chemical Residues and Antimicrobial Resistance in Dehydrated Chicken Feet Intended as Dog Treats: A Pilot Study. [PDF]

Vet Med Int
The pet population is steadily increasing worldwide, and treats, which account for approximately 15% of the pet food market, are the fastest‐growing segment of the pet food industry. However, the widespread use of antimicrobials in poultry farms may pose a direct risk to pets’ health, leading to the emergence of antimicrobial resistance.
Marini C, Lipani F, Sabia C, Nicotra M, Iseppi R, Biscontini G, Cerquetella M, Meschiari M, Gregorio GD, Alagawany M, Tardugno R, Corbo F, Cerbo AD.   +12 more
europepmc   +2 more sources

Assessment of the application for modification of the terms of the authorisation of the feed additive consisting of <i>Bacillus velezensis</i>ATCC PTA-6737 (PB6) for all pigs, all poultry species for fattening or reared for laying/breeding, laying hens, minor poultry species for laying and ornamental birds (Kemin Europa N.V.). [PDF]

EFSA J
Abstract Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety and efficacy of the preparation consisting of viable spores of Bacillus velezensis ATCC PTA‐6737 (tradename PB6). PB6 is currently authorised for use as a zootechnical additive (functional group: gut flora stabilisers) for all poultry
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP), Villa RE, Azimonti G, Bonos E, Christensen H, Durjava M, Dusemund B, Gehring R, Glandorf B, Kouba M, López-Alonso M, Marcon F, Nebbia C, Pechová A, Prieto-Maradona M, Theodoridou K, Anguita M, Innocenti ML, Galobart J, Brozzi R.   +19 more
europepmc   +2 more sources

Spectroscopic, Spectrometric and Computational Studies of New Lasalocid Derivatives and Their Complexes with Selected Metal Cations [PDF]

Molecules, 2023
A series of five esters of lasalocid with neopentyl alcohol (LasNeo), geraniol (LasGeran), 2-ethylhexanol (LasEtHex), eicosanol (LasEico) and vanillyl alcohol (LasVanil) were synthesized and studied by NMR, FT-IR and ESI-MS.
Monika Papsdorf, Radosław Pankiewicz
doaj   +2 more sources

New Hydrophilic Derivatives of Lasalocid and Their Complexes with Selected Metal Cations [PDF]

Molecules, 2023
Two new esters of lasalocid, that are more hydrophilic, with glucose (LasGlu) and xylitol (LasX), have been synthesized, and their complexation of monovalent cations has been studied by various spectrometric and spectroscopic methods, such as ESI mass ...
Monika Papsdorf, Radosław Pankiewicz
doaj   +2 more sources

Safety and efficacy of a feed additive consisting of lasalocid A sodium (Avatec® 150G) for chickens for fattening and chickens reared for laying (Zoetis Belgium SA) [PDF]

EFSA Journal, 2022
Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety and efficacy of the coccidiostat lasalocid A sodium (Avatec® 150G) for chickens for fattening and chickens reared for laying.
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP), Vasileios Bampidis, Giovanna Azimonti, Maria de Lourdes Bastos, Henrik Christensen, Birgit Dusemund, Mojca Fašmon Durjava, Maryline Kouba, Marta López‐Alonso, Secundino López Puente, Francesca Marcon, Baltasar Mayo, Alena Pechová, Mariana Petkova, Fernando Ramos, Yolanda Sanz, Roberto Edoardo Villa, Ruud Woutersen, Jürgen Gropp, Guido Rychen, Montserrat Anguita, Orsolya Holczknecht, Matteo Lorenzo Innocenti, Alberto Navarro‐Villa, Barbara Rossi, Maria Vittoria Vettori   +25 more
doaj   +2 more sources