Two cases of canines infected with Hepatozoon canis are described in the city of Cúcuta, Colombia. The first patient of 18 months of age came to consultation with vomiting, anorexia, and progressive weight loss. In the second case, it was intended to perform preventive ovariohysterectomy, but the patient presented anemia in the pre-surgical clinical tests. For both cases, the diagnosis was by blood smear, observed at 100X. For the second case the diagnose was confirmed by PCR. The treatment established was symptomatic, using drugs such as oxytetracycline and doxycycline. This is the first report of hepatozoonosis in the city of Cúcuta.

Se describen dos casos de caninos infectados con Hepatozoon canis en la ciudad de Cúcuta, Colombia. La primera paciente de 18 meses de edad llegó a consulta con vómitos, anorexia y pérdida progresiva de peso. En el segundo caso se pretendía realizar ovariohisterectomía preventiva, pero en los exámenes clínicos prequirúrgicos presentó anemia. Para los dos casos, el diagnóstico fue mediante extendido sanguíneo, observado a 100X. Para el segundo caso, el diagnóstico se confirmó con la prueba de PCR. El tratamiento instaurado fue sintomático, usando fármacos como oxitetraciclina y doxiciclina. Este es el primer reporte de hepatozoonosis en la ciudad de Cúcuta.

It is reported the case of a Leopardus pardalis specimen, male, 15.6 kg body weight, found with partial decomposition in a road in the rural sector of the municipality of Arauca, Colombia. At necropsy, 36 parasitic forms of nematodes were found, with an approximate length of 3.4 cm, which were identified as Toxocara cati by the presence of lateral fins at the cervical end, the presence of three lips and a ringed cuticle. This is the first report in Colombia of the parasitic species in this wild feline, indicating that the species L. pardalis may be a potential carrier and disseminator of T. cati.

It is reported the case of a Leopardus pardalis specimen, male, 15.6 kg body weight, found with partial decomposition in a road in the rural sector of the municipality of Arauca, Colombia. At necropsy, 36 parasitic forms of nematodes were found, with an approximate length of 3.4 cm, which were identified as Toxocara cati by the presence of lateral fins at the cervical end, the presence of three lips and a ringed cuticle. This is the first report in Colombia of the parasitic species in this wild feline, indicating that the species L. pardalis may be a potential carrier and disseminator of T. cati.

  It is reported the case of a 7-year-old Colombian Creole horse that was admitted to the Large Animal Veterinary Clinic of the Universidad Cooperativa de Colombia. In the clinical evaluation, the fracture of the incisor bone was determined. It was corrected through the restoration technique using a wire anchorage or interdental wiring of the incisors (cerclage technique). The patient presented a satisfactory evolution showing a consolidation of the fracture without complications of malocclusion. The implemented procedure was relatively simple and provided welfare to the equine.

The tissue response of the fish Gambusia punctata (Poey, 1854) grown under natural conditions under chronic heavy metal exposure is reported. Adult individuals of both sexes were captured 10 km downstream of a former open-pit mining area in Santiago de Cuba, Cuba. Branchial deformities with moderate extension were identified in 80% of the investigated individuals. Likewise, 100% presented numerous ferric iron deposits inside the enterocytes.

Salmon farming in the face of antimicrobial resistance and effects on human health and environment. Abstract: The present review compiles and analyzes studies of the last five years on antibiotic use in the salmon industry, reported effects on fish and humans, and impacts on the environment. There is a growing concern regarding the current management of veterinary therapeutic plans used for the treatment and control of bacterial infections. The main problems are related to the increase of resistance to antibiotics by pathogenic and non-pathogenic bacteria communities, horizontal transfer of resistance genes between bacterial cells, and a major number of cases of failed medical treatments in human and animal populations. Therefore, the challenges for the future will be to reduce dependence on antibiotics in animal production through research into alternatives technologies, the collection ...

Stress in the pre-slaughter stage is a critical period in the production chain because it causes losses in animal live weight, affects carcass yield and quality, and leads to a loss of animal welfare due to an alteration in the homeostasis of the organism as a result of exposure to stressful situations. This review identifies and describes the stressors that have been reported in the last 5 years as the main causes of meat quality deterioration, including animal handling activities by farm or plant personnel (transport, loading and unloading, in the slaughter plant), environmental conditions (temperature, vibrations), waiting time prior to slaughter and mixing of lots, water and food fasting period, and fatigue states, as well as the biomarkers routinely used for the study of conditions associated with stress. Although research on the subject is abundant, the biochemical mechanisms invol...