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Showing 1 to 12 of 32 entries
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Influence of Ionophore Supplementation on Growth Performance, Dietary Energetics and Carcass Characteristics in Finishing Cattle during Period of Heat Stress.

Asian-Australasian journal of animal sciences

Barreras A, Castro-Pérez BI, López-Soto MA, Torrentera NG, Montaño MF, Estrada-Angulo A, Ríos FG, Dávila-Ramos H, Plascencia A, Zinn RA.
PMID: 25049741
Asian-Australas J Anim Sci. 2013 Nov;26(11):1553-61. doi: 10.5713/ajas.2013.13216.

Forty-eight crossbred heifers (378.1±18 kg) were used in a 56-d feeding trial (four pens per treatment in a randomised complete block design) to evaluate the influence of ionophore supplementation on growth performance, dietary energetics and carcass characteristics in finishing...

Effects of Physicochemical Factors on the Adhesion to Cellulose Avicel of the Ruminal Bacteria Ruminococcus flavefaciens and Fibrobacter succinogenes subsp. succinogenes.

Applied and environmental microbiology

Roger V, Fonty G, Komisarczuk-Bony S, Gouet P.
PMID: 16348315
Appl Environ Microbiol. 1990 Oct;56(10):3081-7. doi: 10.1128/aem.56.10.3081-3087.1990.

Ruminococcus flavefaciens adhered instantly to cellulose, while Fibrobacter succinogenes had the highest percentage of adherent cells after about 25 min of contact between bacteria and cellulose. Adhesion of R. flavefaciens was unaffected by high concentrations of sugars (5%), temperature,...

Carcass traits and meat quality of male lambs fed monensin or lasalocid.

Meat science

Gilka J, Jelínek P, Janková B, Krejčí P, Habrda J.
PMID: 22054675
Meat Sci. 1989;25(4):265-72. doi: 10.1016/0309-1740(89)90044-2.

Male lambs, crossbred Merino × Ille de France, were fed a diet supplemented with 31 mg monensin or 32 mg lasalocid per kg of feed dry matter from an initial body weight of 23·6-23·9 kg to the slaughter weight...

Risk Assessment of Nine Coccidiostats in Commercial and Home Raised Poultry.

Journal of agricultural and food chemistry

Martins RR, Azevedo VS, Pereira AMPT, Silva LJG, Duarte SC, Pena A.
PMID: 34788026
J Agric Food Chem. 2021 Dec 01;69(47):14287-14293. doi: 10.1021/acs.jafc.1c05656. Epub 2021 Nov 17.

For the first time, this paper aimed to evaluate nine ionophore and synthetic coccidiostat residues in poultry muscle samples, obtained from different production types, by solid-liquid extraction followed by liquid chromatography with tandem mass spectrometry (LC-MS/MS). The fully validated...

The co-administration effects of florfenicol and lasalocid on performance, biochemical and pathological parameters of muscle, heart, liver, kidney and sciatic nerve in broiler chickens.

Veterinary medicine and science

Gholami-Ahangaran M, Karimi-Dehkordi M, Namjoo A, Shojaei H, Ahmadi-Dastgerdi A.
PMID: 34498431
Vet Med Sci. 2021 Sep 08; doi: 10.1002/vms3.626. Epub 2021 Sep 08.

The study aimed to examine the effect of simultaneous application of florfenicol and lasalocid on the performance and vital organ function of chickens. For this, 300 chicks were divided into four groups. Group one to three received florfenicol, lasalocid...

Antibiotic usage in 2013 on a dairy CAFO in NY State, USA.

Infection ecology & epidemiology

Doane M, Sarenbo S.
PMID: 24891936
Infect Ecol Epidemiol. 2014 May 23;4. doi: 10.3402/iee.v4.24259. eCollection 2014.

Antimicrobial resistance is threatening humans and animals worldwide. Biosecurity and 1-year usage of antibiotics on a dairy concentrated animal feeding operation (CAFO) in NY State, USA, were mapped: how much antibiotics were used, for what purpose, and whether any...

A Photoactivatable Small-Molecule Probe for the In Vivo Capture of Polyketide Intermediates.

Chemistry (Weinheim an der Bergstrasse, Germany)

Kilgour SL, Jenkins R, Tosin M.
PMID: 31617624
Chemistry. 2019 Oct 16; doi: 10.1002/chem.201903661. Epub 2019 Oct 16.

A photolabile carba(dethia) malonyl N-acetylcysteamine derivative was devised and prepared for the trapping of biosynthetic polyketide intermediates following light activation. From the lasalocid A polyketide assembly in a mutant strain of the soil bacterium Streptomyces lasaliensis, a previously undetected...

Selective neurotoxicity induced by lasalocid in dissociated cerebral cultures.

Toxicology in vitro : an international journal published in association with BIBRA

Safran N, Shainberg A, Haring R, Gurwitz D, Shahar A.
PMID: 20732213
Toxicol In Vitro. 1993 Jul;7(4):345-52. doi: 10.1016/0887-2333(93)90026-2.

Dispersed cerebral cells prepared from 15-16-day mouse foetuses were cultured for 7 days and exposed to lasalocid for periods of 4, 18 or 48 hr. Cultures were examined by phase contrast microscopy and processed for scanning electron microscopy. Lasalocid...

A phase boundary potential model for apparently "twice-nernstian" responses of liquid membrane ion-selective electrodes.

Analytical chemistry

Amemiya S, Bühlmann P, Umezawa Y.
PMID: 21644743
Anal Chem. 1998 Feb 01;70(3):445-54. doi: 10.1021/ac9710184.

A model that describes divalent cation responses of liquid membrane ion-selective electrodes based on acidic ionophores and ionic sites is presented. Response slopes for membranes with ionophore and anionic sites are predicted to change from Nernstian to apparently "twice-Nernstian"...

Effect of alfaprostol, lasalocid, and once-daily suckling on postpartum interval in Brahman and Brahman crossbred cattle.

Theriogenology

Del Vecchio RP, Randel RD, Neuendorff DA, Peterson LA.
PMID: 16726521
Theriogenology. 1988 Oct;30(4):797-809. doi: 10.1016/0093-691x(88)90314-7.

Brahman cows (n = 49) and primiparous heifers (n = 11), Brahman x Hereford primiparous F1 heifers (n = 86) and Simmental x Brahman primiparous F1 heifers (n = 13) were randomly allotted by breed, age and date of...

Thermodynamic analysis of amines-lasalocid complex formation.

Biophysical chemistry

Khutorsky VE.
PMID: 17029926
Biophys Chem. 1997 Dec 01;69(2):161-6. doi: 10.1016/s0301-4622(97)00086-0.

The ionophore lasalocid A selectively transports amines across lipid membranes. Free energy differences of amine-lasalocid complex formation reactions and the activation barriers of the complex transport were calculated by the finite difference thermodynamic integration method. Four catecholamines were treated:...

Effect of pH and Monensin on Glucose Transport by Fibrobacter succinogenes, a Cellulolytic Ruminal Bacterium.

Applied and environmental microbiology

Chow JM, Russell JB.
PMID: 16348682
Appl Environ Microbiol. 1992 Apr;58(4):1115-20. doi: 10.1128/aem.58.4.1115-1120.1992.

Fibrobacter succinogenes S85, a cellulolytic ruminal bacterium, required sodium for growth and glucose uptake. Cells which were deenergized with iodoacetate (500 muM) could not take up [C]glucose. However, deenergized cells which were treated with valinomycin, loaded with potassium, and...

Showing 1 to 12 of 32 entries