Genetic variation in aggression-related traits in Golden Retriever dogs

Liinamo, Anna-Elisa; Berg, Linda van den; Leegwater, P.A.J.; Schilder, Matthijs B.H.; Arendonk, J.A.M. van; Oost, B.A. van

doi:10.1016/j.applanim.2006.04.025

Cited by 81 publications

(60 citation statements)

References 21 publications

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“…According to the breed standards, a good family pet should have some ideal characters such as good-nature, friendly and confident (Liinamo et al 2007). However, some of the Sapsarees did not have good characteristics in wariness and reaction during blood drawn.…”

Section: (7) Reaction During Blood Drawnmentioning

confidence: 99%

A Study on Morphology and Behavior of the Sapsaree : A Korean native dog (Canis familiaris)

Han¹,

Alam²,

Lee³

et al. 2010

Journal of Animal Science and Technology

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This study was conducted to characterize the morphological and behavior patterns of Sapsaree dogs. The population (n=8,256) has been constructed since 1990 over 12 generations and managed at the Sapsaree Breeding Research Institute, Gyeongsan, Gyeongbuk province. Eighteen morphological and seven behavioral traits were investigated for 882 individuals. Linear models were applied for each trait by fitting sex, season of birth, hair color or test age. The averages of body weight, body length, body height, and depth of chest were 20.5±2.4 kg, 57.3±4.2 cm, 52.1±3.6 cm, and 21.1±2.4 cm, respectively. Males had greater estimated values than females for these body conformation traits. The chocolate Sapsarees had greater averages for body weight, body height and chest depth. The older animals (>2 years) had heavier body weight than younger animals. About 54, 69, 97, 39 and 83.3% of the Sapsarees had hairs with yellow color, straight, medium to long, untangled, and longer around eyes, respectively. Also, about 40% brown eye, 43% curly tail, 78% normal jaw, 86% no missing teeth, 90% no dewclaw, and >90% with black nose, pendent ear, tongue without spots were observed. About 95% males were normal in testicles state. The males performed significantly better than the females for majority of the behavioral traits. For nerve stability, affability, wariness, adaptability, sharpness, activity, and reaction during blood drawn about 79%, 73%, 76%, 61%, 70%, 48% and 81% of the Sapsarees performed at desired level. In general, the Sapsarees showed good characteristics for both morphological and behavioral traits, which can be exploited to use the Sapsaree breed as a companion or guide dog.

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Section: (7) Reaction During Blood Drawnmentioning

confidence: 99%

A Study on Morphology and Behavior of the Sapsaree : A Korean native dog (Canis familiaris)

Han¹,

Alam²,

Lee³

et al. 2010

Journal of Animal Science and Technology

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“…It represents a serious problem, not only in terms of public health but also due to its consequences in terms of animal welfare (Horisberger et al 2004;Duffy et al 2008) with many animals being relinquished, abandoned, (Orihel et al 2005;Liinamo et al 2007) and even euthanised in some cases (Radosta-Huntley et al 2007;Rosado et al 2009). …”

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confidence: 99%

Characteristics and risk factors of dog aggression in the Slovak Republic

Matos¹,

Jakuba²,

Miňo³

et al. 2015

Vet. Med.

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Canine aggression is a widespread problem which receives a lot of attention from the media. It has important consequences in terms of public health and animal welfare. To address this issue it is necessary to first determine its epidemiological characteristics in the target population. This study was aimed at exploring the characteristics and determining the risk factors for dog aggression in the Slovak Republic and, in particular, for aggression directed at humans. For this purpose, we used a questionnaire directed to dog owners which included information about dog and owner characteristics, housing, training and fear behaviour. From the 177 analysed questionnaires, 67% portrayed dogs with some type of aggressive behaviour. Half of the animals showed some degree of owner-directed aggression and almost 40% were aggressive towards unfamiliar people. The approach of an unfamiliar male was the situation that stimulated most dogs to behave aggressively (33.3%) and a small percentage (2.3%) of the animals always showed aggression when approached by an unfamiliar child. Multivariate logistic regression models found that "owner's age" (OR, 0.96; 95% CI, 0.93 -0.99) and "neuter status" (OR, 0.36; 95% CI, 0.13-0.98) were significantly associated (P < 0.05) with the exhibiting of aggressive behaviour in different contexts. "Dog's sex" (OR, 2.16; 95% CI, 1.09-4.27) and "type of training" (OR, 2.32; 95% CI, 1.19-4.80) were significantly associated (P < 0.05) with the exhibiting of aggressive behaviour towards familiar people. Younger owners were more likely to have aggressive dogs and neutered dogs were less likely to be aggressive in different contexts. Male dogs and dogs with informal training were more likely to be aggressive towards familiar people. Manifestations of fear were significantly associated with the expression of aggressive behaviour in all models. This study provides the first preliminary results on the characteristics and potential risk factors for human-directed aggression in Slovakia. The analysis of these data may help in determining which preventive measures should be given priority in this country.

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“…Serpell and Hsu [26] found the factors consistent for dogs of various breeds and either sex in regard to behavioral traits in guide dogs. Furthermore, Hsu and Serpell developed a questionnaire (Canine behavioral assessment and research questionnaire: C-BARQ) for measuring behavioral traits in pet dogs by using data of 2,054 dogs in the United States [11], and this has been used as the behavioral index in gene studies about behavioral traits of dogs [15,31]. C-BARQ, which evaluates a dog's behavior objectively, can be a powerful tool for screening dogs for behavior problems and in evaluating the clinical effects of various treatments for behaviors [10,29,32].…”

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confidence: 99%

Assessment of the Factorial Structures of the C-BARQ in Japan

Nagasawa

Tsujimura

Tateishi

et al. 2011

The Journal of Veterinary Medical Science

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ABSTRACT. In order to introduce the Canine Behavioral Assessment and Research Questionnaire (C-BARQ), which is a standardized system for evaluating the behavioral traits of dogs, to Japan, where the environment with respect to dog ownership is thought to differ from those of the United States and Europe, we compared demographic information on dogs in the United States and Japan and examined whether similar factors could be extracted from both countries using questionnaire items of the C-BARQ. The C-BARQ was completed by 11,410, and 734 dog owners respectively in the United States and Japan, and some demographic differences were found, such as breed and neuter status. Data from completed questionnaires were subjected to factor analysis, and the resulting factors were tested for reliability. In the United States, factor analysis yielded 11 factors from 63 items that accounted for 52.9% of the common variance. In Japan, 15 factors were extracted, and these accounted for 57.0% of the common variance. The present factors for the United States were almost identical to the factors identified in a previous study, and similar factors were extracted in both countries. Therefore, the C-BARQ can function effectively as a fundamental behavioral evaluation system for dogs in Japan.KEY WORDS: behavior, canine, C-BARQ, factor analysis, questionnaire.J. Vet. Med. Sci. 73 (7): [869][870][871][872][873][874][875] 2011 In the United States and Europe, behavior problems of dogs account for 17-20% of reasons that owners relinquish their pet dogs to animal shelters, and substantial numbers of these dogs are eventually euthanized [2,5,19,23,25]. In addition, many dogs suffer unnecessarily from inappropriate punishments and aversive training methods as a consequence of behavior problems [8]. These inappropriate treatments for dogs often worsen the problems and create a vicious cycle. In Japan, there were an estimated 13,101,000 pet dogs in 2008 [13]. Of these, 105,195 adult dogs and 24,742 puppies were relinquished to animal shelters [20]. Additional estimates suggest that 29,942 of these dogs were either returned to their owners or adopted by new owners, while 98,556 dogs were eventually euthanized. Because official research has not been conducted yet, it is not known exactly why these dogs were relinquished [20]. In order to resolve these issues, it is important to establish a system for classifying and naming behavioral traits in dogs. Researchers in the United States and Europe have developed some behavioral tests to evaluate the behavioral traits of dogs [14,21,28,30]; however, it is not easy to conduct these behavioral tests, and the possibility exits that the emergence of particular behaviors may be dependent on experimental circumstances during the test. On the other hand, observer ratings can be convenient and useful tools through careful experimental designs [18]. However, observation by third parties has the practical difficulty of observing pet dogs in their natural and home environment. Therefore, in order to understand ...

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Genetic variation in aggression-related traits in Golden Retriever dogs

Cited by 81 publications

References 21 publications

A Study on Morphology and Behavior of the Sapsaree : A Korean native dog (Canis familiaris)

A Study on Morphology and Behavior of the Sapsaree : A Korean native dog (Canis familiaris)

Characteristics and risk factors of dog aggression in the Slovak Republic

Assessment of the Factorial Structures of the C-BARQ in Japan

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