Effects of Calf Horn as Chews on the Behavior of Laboratory Dogs

Ketter, Daphne A.; Klima, André; Küchenhoff, Helmut; Dobenecker, Britta; Schmidt, Jörg; Erhard, Michael; Döring, Dorothea

doi:10.1080/10888705.2019.1571921

Cited by 5 publications

(6 citation statements)

References 18 publications

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“…Besides the positive effects on oral health, chewing agents can also affect animal behavior. A recent study reported that the use of calf horn as a chewing agent increased exploratory behavior and decreased inactivity behavior in laboratory dogs ( Ketter et al, 2020 ). Although evaluation of dog behavior was beyond the scope of this study, future work may consider the impact of bovine bones on dog behavior.…”

Section: Resultsmentioning

confidence: 99%

Effects of autoclaving on compressive strength of bovine bones and their use as chewing agents for dogs

Pezzali

Machado

Marx

et al. 2021

Translational Animal Science

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This study aimed to evaluate the effect of autoclave processing on compressive stress of spongy and cortical bones, and the effect of autoclaved bones as chewing agents to reduce dental calculus in adult dogs. Spongy and cortical bones were autoclaved (1 ATM, 30 min, and 120 oC) and compressive strength was evaluated in autoclaved and raw bone specimens. Autoclaved bones were offered to ten Beagle dogs divided into 2 groups of 5 dogs each: Group 1 - received a portion of the autoclaved bovine cortical bone (ACB) and Group 2 – received a portion of the autoclaved bovine spongy bone (ASB). Prior to the experimental period (1-d) and every two days thereafter, oral photographs were taken on both sides of the dental arch to evaluate dental calculus reduction over time. The vestibular surface of the canines, premolars and molars teeth were evaluated using integration software to measure the proportion between the area covered by calculus and the total teeth area. The effect of bone type, treatment (raw vs. autoclaved) and their interaction were evaluated using the PROC GLIMMIX procedure of SAS (version 9.4). Linear equations were generated to estimate calculus reduction over time for ACB and ASB. Compressive strength was higher (P < 0.05) in cortical bones compared to spongy bones. However, the autoclaving procedure did not affect (P > 0.05) compressive strength, regardless of the bone type. The teeth area covered by calculus of dogs that were offered ACB reduced from 41% to 32% in 5 days, and at the end of 15 days a reduction of 62.2% was observed, resulting in a remaining of 15.5% of teeth area covered by calculus. In this group, the dental calculus area reduced by 57.7% after 5 days, and at the end of the trial only 5.4% of teeth were still covered by calculus, which represents a reduction of 81%. The linear regression analysis revealed no significant difference between the slopes for the ACB and ASB equations (P > 0.05). No health complications such as tooth fracture, intestinal obstructions, and oral lesions were observed throughout the study. Our results demonstrated that the autoclave processing did not impair compressive strength of spongy and cortical bones. This corroborates with the results observed in vivo, which suggests that autoclaved bones are chewing agents for adult dogs with additional benefits of lower risk of bacterial contamination.

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Section: Resultsmentioning

confidence: 99%

Effects of autoclaving on compressive strength of bovine bones and their use as chewing agents for dogs

Pezzali

Machado

Marx

et al. 2021

Translational Animal Science

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“…The feeding pattern of domestic dogs can be considered the ecologically relevant form of the domestic dog's feeding behaviour, and the feeding method used for domestic dogs is far from fulfilling behavioural needs. 11 In the guidelines for husbandry and care of laboratory dogs, 25 chewing has been considered a rewarding experience and it has been recommended to be activities in the pen environment, 26 together with cardboard boxes stuffed with shredded paper bedding and dog treats, softwood, rawhide or nylon chews.…”

Section: Discussionmentioning

confidence: 99%

“…In the guidelines for husbandry and care of laboratory dogs, 25 chewing has been considered a rewarding experience and it has been recommended to be activities in the pen environment, 26 together with cardboard boxes stuffed with shredded paper bedding and dog treats, softwood, rawhide or nylon chews.…”

Section: Discussionmentioning

confidence: 99%

Do you need to chew? A case report on dogs’ behavioural needs

Uccheddu,

Acquesta,

Furlanello

2024

Vet Record Case Reports

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A 2‐year‐old chihuahua dog exhibited recurrent mounting episodes toward both known and unknown individuals. The findings from both the physical and blood tests were unremarkable. After ruling out other physical and psychological diseases, displacement behaviour was suspected. Occurrences of mounting behaviour might sometimes be due to conditions unrelated to reproduction. As such, neutering is only advised after a precise diagnosis, and would not have been helpful in this particular situation. Chewing was used as a major activity alternative to provide the dog with an adequate behavioural activity.

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“…Kennelled dogs provided with enrichment feeders have increased activity and explorative behaviours. 14,15 Increasing activity is potentially beneficial given that inactivity in kennelled dogs is associated with depression, boredom and a reduced quality of life (QOL). 16,17 Providing dogs in boarding kennels with 20 minutes a day to use puzzle feeders was associated with a reduction in stress-related behaviours.…”

Section: Introductionmentioning

confidence: 99%

“…Existing research involving enrichment feeding in companion animals has involved kennelled dogs or cats. Kennelled dogs provided with enrichment feeders have increased activity and explorative behaviours 14,15 . Increasing activity is potentially beneficial given that inactivity in kennelled dogs is associated with depression, boredom and a reduced quality of life (QOL) 16,17 .…”

Section: Introductionmentioning

confidence: 99%

‘Bowls are boring’: Investigating enrichment feeding for pet dogs and the perceived benefits and challenges

Heys,

Lloyd,

Westgarth

2023

Veterinary Record

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BackgroundCanine enrichment feeding (CEF) is recommended by canine professionals, yet research into its use by dog owners is absent. This study is the first to investigate who uses CEF and the perceived benefits and barriers.MethodsA cross‐sectional survey advertised in July and August 2021 received 1750 usable responses about owner and dog demographics, feeding methods used, canine quality of life and behaviour (Mini‐Canine Behavioural Assessment and Research Questionnaire [C‐BARQ]).ResultsKongs, chews and activity toys were the most popular forms of CEF. CEF was most often used for a treat, delivering meals and keeping dogs busy. Owners not using CEF were more likely to be male and older. Dogs not fed using CEF were more likely to be older, of working type and have lower exercise needs. Furthermore, they were less likely to show meal interest, dog‐directed fear or training difficulties. A common perceived benefit was mental stimulation; however, lack of time was commonly perceived to be a barrier. Certain feeding methods were associated with perceptions of reduced hunger and begging.LimitationsThe survey methodology means there is a risk of selection bias and conclusions cannot be drawn about causation.ConclusionCEF was perceived by most owners to benefit behavioural problems and reduce food seeking. Further research using experimental research designs is required to establish causality.

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Effects of Calf Horn as Chews on the Behavior of Laboratory Dogs

Cited by 5 publications

References 18 publications

Effects of autoclaving on compressive strength of bovine bones and their use as chewing agents for dogs

Effects of autoclaving on compressive strength of bovine bones and their use as chewing agents for dogs

Do you need to chew? A case report on dogs’ behavioural needs

‘Bowls are boring’: Investigating enrichment feeding for pet dogs and the perceived benefits and challenges

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