The effects of green odour on domestic dogs: A pilot study

Carlone, Beatrice; Gazzano, Angelo; Gutiérrez, Jara; Sighieri, Claudio; Mariti, Chiara

doi:10.1016/j.applanim.2018.06.005

Cited by 6 publications

(8 citation statements)

References 32 publications

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“…(E)-3-Hexen-1-ol and (Z)-2-hexenal were responsible for green odor, similar to cut grass. This odor had a light stress-alleviating effect on the domestic dog [33]. On the other hand, from a healthy point of view, acids (e.g., hexanoic acid, octanoic acid, decanoic acid) can be used to provide fish feeds with antimicrobial properties and nutritional supplements, whereas terpenoids (e.g., limonene, α-farnesene) can be used as chemopreventive activity against numerous types of cancer.…”

Section: Discussionmentioning

confidence: 99%

“…(E)-3-Hexen-1-ol was only detected in grape stems, and its presence was responsible for green odor, similar to freshly cut grass. Carlone et al [33] showed that green odor (a mixture of (E)-3-hexenol and (Z)-2-hexenal) may induce a light stress-alleviating effect, although reported only for dogs. 2-Ethylhexan-1-ol and 2-phenylethanol have been reported in fish feeds [22] and various aquaculture fish species [30].…”

Section: Volatile Composition Of Wine Industry By-productsmentioning

confidence: 99%

“…Decanal (10.10 ± 0.76 µg/L), (Z)-2-hexenal (4.87 ± 0.20 µg/L) and benzaldehyde (6.44 ± 0.61 µg/L) were the most dominant aldehydes in grape stems and were well know contributors of green and almond oil odor notes, respectively. In recent studies, benzaldehyde has been reported to be one of the most prevalent aldehydes in dry dog foods [38], whereas (Z)-2-hexenal has been identified as a light stress-alleviating effect on the domestic dog [33]. (E)-2-Nonenal (0.31 ± 0.32 µg/L), only detected in grape stems, has been identified as a potential odorant in fish feeds [22].…”

Section: Volatile Composition Of Wine Industry By-productsmentioning

confidence: 99%

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Section: Discussionmentioning

confidence: 99%

Section: Volatile Composition Of Wine Industry By-productsmentioning

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“…Various behavioural tests have been developed to measure acute fear or stress responses in dogs (Carlone et al., 2018; Landsberg et al., 2015). These consist of standardised experimental situations in which stimuli serve to elicit behaviours in the observed individuals (Araujo et al., 2013).…”

Section: Introductionmentioning

confidence: 99%

“…In view of the above, the primary objective of the present double‐blind, placebo‐controlled study was to evaluate the effectiveness of a new dietary supplement (a fish hydrolysate combined with a melon juice concentrate) on fear and stress‐related behaviours in dogs. The study's behavioural tests were based on literature procedures used to assess behavioural reactions in dogs faced with a variety of stimuli similar to everyday situations (Carlone et al., 2018; Hoummady et al., 2016; King et al., 2003; Landsberg et al., 2015). The participating dogs were randomised to receive supplement or placebo daily for 30 days.…”

Section: Introductionmentioning

confidence: 99%

Effects of a new dietary supplement on behavioural responses of dogs exposed to mild stressors

Titeux

Padilla

Paragon

et al. 2021

Veterinary Medicine & Sci

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Background & Objectives The effectiveness of a new dietary supplement (derived from fish hydrolysate and melon juice concentrate rich in superoxide dismutase) in reducing fear and stress‐related behaviours in pet dogs was examined in a double‐blind, placebo‐controlled, randomized study. Methods 39 dogs were recruited after the owners had filled out a fear susceptibility index questionnaire. Over a 30‐day period, one group of dogs received the supplement, and another group a placebo. Twelve behavioural variables were recorded in a series of four subtests (ST1‐ST4) on days 0, 15 and 30. Saliva cortisol levels were measured before and after each set of STs. Results The dogs rated as more fearful displayed significantly higher cortisol values before the day 0 test session, were less active, spent less time playing with the experimenter, and approached the unfamiliar object less frequently. The owners did not correctly guess whether their dog had received the supplement or not. Behaviours of dogs were significantly different across the three sessions, with significant increases of stress‐related behaviours (time spent in the door zone, number of interactions with the door, of whining, and of lip‐licking). Conversely time spent with the experimenter increased, interactions and curiosity for the novel object and play with the experimenter decreased, presumably due to a habituation process. This suggests that the design of the four subtests session was relevant to test for mild stressors situations. Moreover, supplemented and placebo dogs responded differently to the three test sessions, indicating a supplement effect on dogs' behaviours and their adaptation to mild stressors situations. Conclusion The trial results suggested that the supplement facilitates activity and curiosity in a familiar environment, promotes dog‐human interactions with an increased human familiarity, and tends to reduce subtle stress behaviours. Our results suggest that the supplement was effective in the context of mild stressors and habituation.

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Don't use it? Don't lose it! Why active use is not required for stimuli, resources or “enrichments” to have welfare value

2023

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Current frameworks for designing and evaluating good enclosures and “enrichments” typically focus on animals' active interactions with these features. This has undoubtedly improved the welfare of zoo‐housed animals over the last 30 years or more. However, literature reviews from this same period identify persistent gaps in how such frameworks are applied: experiences and behaviors that do not rely on active interaction with stimuli or resources are largely ignored, when evaluating the welfare value of enclosures and enrichments within them. Here, we review research evidence demonstrating that active interaction is not always a reliable measure of welfare value, showing that items that elicit little or no interaction can nevertheless still reduce stress and improve well‐being. This evidence largely comes from research on humans, lab animals and farm animals, but also from some zoo studies too. We then investigate why. We review psychology and ethology literatures to show that such welfare benefits can arise from five, non‐mutually exclusive, processes or mechanisms that are well‐understood in humans and domestic animals: (1) some motivations are sated quickly by interaction with resources, yet still have large welfare benefits; (2) active interaction may just be a way to achieve a goal or solve a problem, without being beneficial for welfare in itself; (3) having opportunities for choice and control may be inherently beneficial, even when not acted on; (4) some enclosure features meet social needs for structure, landmarks, and blocked sightlines; and (5) some stimuli may be preferred because they signaled good environments to an animal's ancestors. We use this information to identify improved ways of enhancing and assessing zoo animal welfare. Incorporating these concepts should expand the scope of behaviors and subjective experiences that are targeted, to now include those that involve little active interaction and yet still are important for good welfare.

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The effects of green odour on domestic dogs: A pilot study

Cited by 6 publications

References 32 publications

Exploring the potential of wine industry by-products as source of additives to improve the quality of aquafeed

Exploring the potential of wine industry by-products as source of additives to improve the quality of aquafeed

Effects of a new dietary supplement on behavioural responses of dogs exposed to mild stressors

Don't use it? Don't lose it! Why active use is not required for stimuli, resources or “enrichments” to have welfare value

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