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Background: Surgical neutering of dogs is common, however the average age that dogs reach sexual maturity, are neutered, and dog owners' attitudes to neutering in the UK and the Republic of Ireland have not been explored in a longitudinal study. Methods: Owner‐reported data on the timing of the first oestrus, timing of neutering and the reasons given for neutering dogs by 12 and 15 months of age were summarised. Factors associated with neutering at 15 months and factors associated with intention to neuter were quantified using multivariable logistic regression. Results: At 15 months of age, 90.0% (n = 207/230) of unneutered females had had their first oestrus. By 7, 9, 12 and 15 months of age, 22.1% (n = 131/593), 32.2% (197/593), 45.4% (n = 269/593) and 59.9% (n = 352/593) of dogs were neutered, respectively. Breed purity, dog's source, owners' intentions to neuter and the number of dogs in the household were associated with neuter status at age 15 months. Dog's sex, Kennel Club registration, dog's source, dogs intended to be working dogs and previous dog ownership were associated with intentions to neuter. Preventing puppies was the most common reason for neutering. Conclusion: Understanding factors that shape owners' intentions to neuter can inform owner‐vet discussions regarding whether to neuter a dog and the optimal age for doing so. [ABSTRACT FROM AUTHOR]

• Use of reward-based and aversive dog training methods still common. • Owners attending training classes more likely to use reward-based training only. • Owner age and gender factors influenced choice of dog training methods. The majority of owners use rewards (e.g. treats and praise) when training their dogs. However, many additionally use aversive methods (e.g. physical reprimands, sound/spray distractions) which can compromise the welfare of dogs. The aim of this study was to identify factors associated with owner-reported use of aversive training methods. A study was conducted using data provided by owners living in the UK or Republic of Ireland participating in a longitudinal study ('Generation Pup'). Data from a registration questionnaire completed when puppies were ≤16 weeks of age, and a follow-up questionnaire completed when dogs were nine-months of age were analysed. Responses to questions about owners' intended/actual use of different training methods at each time point were grouped into two categories. 'Reward only' training: positive reinforcement (PR; increasing behaviour through application of rewarding stimulus) and/or negative punishment (NP; decreasing behaviour through removal of rewarding stimulus), and' reward and aversive' training: > 2 methods of positive punishment (PP; decreasing behaviour by application of aversive stimulus) and/or negative reinforcement (NR; increasing behaviour through removal of aversive stimulus). Associations between training approach ('reward only' / 'reward and aversive') and potential owner-related risk factors were modelled using multivariable logistic regression. Data from 2154 owners at registration were collected, and a follow-up questionnaire for 9-month-old dogs were completed by 976 owners. At registration, 99.7 % of owners reported their intention to use PR and/or NP, and 84.1 % intended to use PP and/or NR. At 9 months, 99.7 % of owners reported using PR and/or NP, and 74.2 % used PP and/or NR. Data were available for 161 owners at both time points, of which 80 % reported the same training approach in both questionnaires. At 9 months, not attending training or puppy classes in the previous 2-months (Odds Ratio = 3.16, 95 % Confidence Interval = 2.18–4.59, P < 0.001), and not having dog-related employment (Odds Ratio = 2.70, 95 % Confidence Interval = 1.53–4.77, P = 0.001) were associated with increased odds of reporting a reward and aversive approach. Owners aged 55 years or more were twice as likely as those younger than 55 (Odds Ratio = 1.93, 95 % Confidence Interval = 1.29–2.87, P = 0.001), and male owners were three times as likely as female owners (Odds Ratio = 3.10, 95 % Confidence Interval = 1.52–6.36, P = 0.002) to use a reward and aversive training approach. Owners reporting a reward and aversive training approach was common within this cohort. Increased awareness of optimal training approaches for dogs is needed, especially for older, male owners, who have not accessed puppy training classes. [ABSTRACT FROM AUTHOR]

• Dog. • Behaviour problems. • Dog owner perceptions. Problem behaviours may lead to compromised welfare, risk of relinquishment and euthanasia for dogs, as well as distress and safety issues for owners. This study used data provided by 1111 UK and Republic of Ireland participants in the 'Generation Pup' longitudinal study of canine health and behaviour. The aims were to; i) identify the proportion and type of problem behaviours reported by owners when their dogs were 6 and 9-months; ii) identify risk factors for behaviours owners reported as a 'problem' when their dog was 9-months old; iii) identify risk factors for behaviours reported to occur but not recorded as a 'problem' by owners when dogs were 9-months old; and iv) identify whether and how owners sought help for undesired behaviours. In the 6 and 9-months questionnaires, 31 % and 35 % (respectively) of owners reported their dog to be showing behaviour(s) that they found a problem. Owners most often sought help for these behaviours from dog trainers (72 % at 6-months and 68 % at 9-months), and online sources excluding those associated with welfare organisations (which were listed separately) (34 % at 6-months and 27 % at 9-months). The most commonly reported problem behaviours at both ages were pulling on the lead, jumping up at people and poor recall. Multivariable logistic regression analysis showed that female owners, owners who were unemployed/homemakers/pensioners/retired, owners who did not attend (nor planned to attend) puppy classes, and owners who reported they used a mixture of positive reinforcement and positive punishment or positive punishment only training methods at 9-months had increased odds of reporting a problem behaviour in their dogs at that age. Further investigation determined risk factors for owners reporting one or more of the three most commonly reported problem behaviours (pulling on the lead, jumping up at people and poor recall) in their dog's 9-months questionnaire compared with those owners who separately recorded the occurrence of these behaviours, but did not report any to be problematic. Owners who were employed/self-employed/students, owners who reported that they used positive reinforcement only, owners that had not attended puppy class, and owners of small dogs had increased odds of not reporting a behaviour to be problematic despite evidence of the behaviour having been observed by the owner. These results indicate that not all potentially concerning canine behaviours were perceived by the owners to be problematic, and has identified groups of owners more likely to require support with behaviour issues in their dogs. [ABSTRACT FROM AUTHOR]