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Haemangiosarcoma of the bone is a rare malignancy, accounting for less than 5% of bone tumours. It affects middle-aged to elderly animals of different sizes, but in dogs it is more common among Boxers, Great Danes and German Shepherd dogs. It probably derives from the supportive connective tissue of the bone marrow. It is a very aggressive tumour, metastasising to numerous organs including the...
The genus Bartonella spp. comprises approximately 22 species of vector-transmitted, blood-borne Gram-negative bacilli or coccobacilli capable of infecting different animals and humans. These bacteria are generally the cause of bacteraemia of variable duration resulting from the colonization of vascular endothelial cells and the consequential invasion of red blood cells (Fig. 1).
Ageing is a physiological process that affects living beings and manifests itself with modifications of the cell, tissue and organ functions and of behavioural responses. Ageing occurs by disorganising all the behaviours, facilitating the appearance of cognitive and emotional alterations and exacerbating already existing behavioural disorders. Although there are differences depending upon the...
Feline mammary hyperplasia (also called fibroadenomatous hyperplasia,  mammary hypertrophy, mammary dysplasia, mammary fibroadenomatosis, fibroadenoma complex, fibroepithelial hyperplasia, fibroglandular mammary hypertrophy and feline mammary hypertrophy/fibroadenoma complex) was described for the first time in 1973 as a condition characterized by a benign fibroglandular proliferation of one or...
In order to be able to predict the effect of drugs used in anaesthesia accurately it is important to know not only the trends in concentration of the drug at the effector site (pharmacokinetics), but also the biological effects that it has on the patient (pharmacodynamics). Pharmacokinetics can be described as the qualitative and quantitative study of the trends in the processes of absorption,...
The interpretation of acid-base imbalances requires the understanding of some basic principles of physiology, biochemistry and inorganic chemistry, as well as interest for medical attention and calculations. Whenever the severity or the emergency of a case imposes an immediate and proper interpretation, such as in critical patients who cannot tolerate mistakes, the preparation of the veterinarian...
The good dog donor should be of large size, weigh over 28 kg, be between 1 and 7 years of age, have a good temperament, be in an excellent state of health and be regularly vaccinated and treated against the common ectoparasites and endoparasites. It should not have been previously transfused. Before designating an animal to be a donor, it is essential to determine its blood type and to make sure...

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