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Summary: Canine hip dysplasia (CHD) is a locomotive-system disease in dogs, which in many countries is the target of screening programs aimed at reducing the prevalence of CHD among descendants of predisposed dog breeds. Despite the efforts to apply genetic testing or ultrasound diagnostics in diagnosing CHD (as is common in human medicine), the main diagnostic process in veterinary medicine is by radiographic examination. The main two parameters which are used in diagnosing HD are the Norberg angle (NA) and the position of femoral head centre to the dorsal acetabular edge (FHC/DAE). We examined the relationship between these two parameters in the process of the determination of CHD degree by evaluating 225 randomly selected radiographs which were made during the period from 1993 to 2008. The aim of our study was to examine the validity of these two parameters in CHD classification as used in three different classification programs. Using Pearson’s correlation coefficient, the value of which was 0.85 (p <0.05), we observed a positive correlation. Comparing the three scoring systems for CHD evaluation, we found that the final degree of CHD was similar for 78% to 85% of cases using Flückiger’s scoring system versus a modified scoring system of 5 parameters without FHC/DAE. Results were significant.

To assess stress in horses, a method of monitoring eye blinks (full and half) and eyelid twitches while collecting saliva and blood samples before and after annual intensive police training was carried out. This noninvasive monitoring method was used to determine whether blood collection, which is considered invasive, is more stressful for horses than saliva collection. We discovered no significant difference in stress related manifestations between saliva sampling and blood collection in our study. In both cases, sampling (blood and saliva) reduced the number of full and half eye blinks. Based on our hypothesis, we expected a statistically significant changes in the number of eye blinks and eyelid twitches as the number of potential stressors increased (in our case, we considered police training and sampling). Saliva cortisol levels, on the other hand, revealed that police training for horses was not stressful. The method of measuring eye blinks and eyelid twitches appears to be an appropriate alternative method for monitoring stress factors in horses.

Long-term tethering of dogs, or their keeping under unsuitable conditions can result in issues related to changes in their behavior as they may not satisfy their basic needs of life. These needs are discussed in this paper, along with cases when dogs unnecessarily have to endure cruelty and pain. The unavoidable tethering of a dog must not cause trauma and must be arranged in a way that it guarantees physical comfort. Failure to meet the basic needs of an animal may result in manifestation of fear and subsequent aggressiveness. Owners of animals are responsible for their life and health, and their obligations include eliminating the possibility of them hurting themselves or other beings. The relevant adopted legislative provisions should provide protection to animals and be enforceable, which currently appears rather difficult. Controlling and observation of the legislative provisions related to the tethering of dogs raises some difficulties for animal protection inspectors. It is necessary to focus on the specificities of keeping conditions of various dog breeds and on their individual features. Based on research and the relevant Slovak legislative provisions, this paper discusses various views on the practice of tethering dogs from the point of view of public safety and the ethical consequences of permanent dog tethering. Data on dog tethering in Slovakia were evaluated based on a survey and Slovak legal rules governing this issue were analyzed along with various views of public safety and the ethical consequences of permanent dog tethering.

Dog breeds are grouped based on scientific agreement, whether for traditional reasons or specific tasks during their domestication. Discrepancies may occur between public views of breed behaviour and actual evidence. This research aims to investigate differences in five behavioural traits (aggression towards people, aggression towards animals, fearfulness, responsiveness to training, and activity/excitability) by using the Dog Personality Questionnaire (DPQ) across six conventional groups/clusters of dog breeds (herding, hunting, guarding, companion dogs, potentially aggressive breeds, and mixed-breed dogs) and to assess hypotheses derived from common public presumptions. A cohort of 1309 dog owners sourced through diverse online platforms took part in the study. Contrary to stereotypes, the findings indicate that breeds labelled as “potentially aggressive” display lower levels of aggression compared to guarding breeds (χ² (5) = 3.657, p = 0.041) and mixed-breeds (χ² (5) = 3.870, p = 0.002). Additionally, mixed-breed dogs exhibited the highest levels of fearfulness among the six conventional clusters. In terms of aggression and gender, males demonstrated higher aggression levels towards both humans and animals compared to females (p = 0.001). These results challenge established assumptions and emphasise the necessity of evidence-based methodologies in the assessment of canine behaviour.