Withhold medical treatment from a sick animal in an effort to preserve its organic status. All appropriate medications must be used to restore an animal to health when methods acceptable to organic production fail. Livestock treated with a prohibited substance must be clearly identified and shall not be sold, labeled, or represented as organically produced. An antibiotic is a drug that kills or slows the growth of bacteria. (Drugs that kill bacteria are referred to as bacteriocidal; those that slow the growth of bacteria are referred to as bacteriostatic.) Antibiotics are chemicals produced by microorganisms such as bacteria and fungi. There are many different kinds of antibiotics, and they destroy bacteria in different ways. The antibiotics within a class generally have similar effectiveness and mechanisms of action and resistance and they tend to attack the same types of bacteria. Background: Pharmacokinetic study of a commercial tylosin-doxycycline combination product (D-Tylo50/25®) was conducted in broiler chickens following intravenous (IV) and oral (PO) administration at doses of 50 mg/kgb. Residues of tylosin and doxycyclines showed that kidney, liver and lung contained highest drug residues and completely disappeared from those tissues at 5 and 6 days after the last oral dose, respectively. Tissue residues were studied following oral administration of each drug alone for fiveconsecutive days and blood and tissue samples were obtained for 10 days after the last dose. Results: A rapid and nearly complete absorption of both drugs with a mean PO bioavailability of 89.16% (tylosin) and 94.30% (doxycycline), prolonged elimination half-lives, and high tissue penetration with steady state volume of distribution of 6.73L/kg (tylosin) and 5.51L/kg (doxycycline) were observed. Methods: Serum drug concentrations were determined by a validated high performance liquid chromatography (HPLC) using UV detection. The efficacies of D-Tylo50/25® and other antibiotics (tiamulin and oxytetracyline) were investigated in broiler chicks experimentally infected by . Conclusions: The pharmacokinetics of both drugs was characterized by a rapid and complete absorption, extensive tissue distribution and slow elimination. D-Tylo50/25® is more effective than tiamulin and oxytetracycline against Mycoplasma gallisepticum infection in broilers.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. [Http Exception (0x80004005): A potentially dangerous Request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Source Error: An unhandled exception was generated during the execution of the current web request. Validate Input If Required By Config() 11981636 System. Chinchillas are slender-bodied, medium-size rodents with short forelimbs and long muscular hindlimbs that give the animal a rabbitlike appearance. The head, eyes, and ears are relatively large, and the bullae are greatly expanded. Chinchillas have long gestation periods and deliver fully furred young with open eyes. In the wild, chinchillas live in relatively barren areas of the Andes of Northern Chile at elevations of 3,000–5,000 m. Chinchillas live in burrows or rock crevices but are well adapted for running. They dust bathe, are vegetarian, and are active throughout the year. They are gregarious, living in groups of several hundred.
Jun 29, 2018. Poultry production in Argentina has grown during last years. Keywords antimicrobials, doxycycline, poultry, tissues, residues, withdrawal. Mar 15, 2017. Hello, I have several chickens who are making gurgling sounds when they breathe. One has a closed eye, and I'm treating that with Terramycin.