Digital dermatitis control in the dairy herd: incorporating the ‘blitz’ treatment approach

Pedersen, Sara

doi:10.12968/live.2019.24.3.130

Cited by 6 publications

(4 citation statements)

References 8 publications

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“…Subsequent ex vivo assays assessed the effectiveness of CAZ barriers at 'locking in' pre-applied therapeutics. Typically, digital dermatitis treatment entails repeated applications of antibiotic spray to an affected area until a healing lesion is achieved 25 . Sprays comprise an active antimicrobial (e.g.…”

Section: Resultsmentioning

confidence: 99%

Robust rapid-setting antibacterial liquid bandages

Bastos

Thom

Reilly

et al. 2020

Sci Rep

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Bandaging is a steadfast but time-consuming component of wound care with limited technical advancements to date. Bandages must be changed and infection risk managed. Rapid-set liquid bandages are efficient alternatives but lack durability or inherent infection control. We show here that antibacterial zinc (Zn) and copper (Cu) species greatly enhance the barrier properties of the natural, waterproof, bio-adhesive polymer, shellac. The material demonstrated marked antibacterial contact properties and, in ex-vivo studies, effectively locked-in pre-applied therapeutics. When challenged in vivo with the polybacterial bovine wound infection ‘digital dermatitis’, Zn/Cu-shellac adhered rapidly and robustly over pre-applied antibiotic. The bandage self-degraded, appropriately, over 7 days despite extreme conditions (faecal slurry). Treatment was well-tolerated and clinical improvement was observed in animal mobility. This new class of bandage has promise for challenging topical situations in humans and other animals, especially away from controlled, sterile clinical settings where wounds urgently require protection from environmental and bacterial contamination.

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Section: Resultsmentioning

confidence: 99%

Robust rapid-setting antibacterial liquid bandages

Bastos

Thom

Reilly

et al. 2020

Sci Rep

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“…These animals often have multiple limbs affected which can make individual treatment in a foot crush a logistical challenge, even for an average-sized herd. Nonetheless, checking the whole herd and treating all visible lesions in a crush has been adopted by some farms – it has been named the ‘blitz DD treatment’ when applied in all age groups at one point in time (Pedersen 2019).…”

Section: Identifying Animals For Treatmentmentioning

confidence: 99%

Treating and controlling digital dermatitis in dairy cattle

Bell¹,

Vanhoudt²

2020

In Practice

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Background: Digital dermatitis (DD) is one of the main causes of lameness in dairy cattle, and is prevalent in most dairy herds worldwide and is of major welfare and economic significance.Aim of the article: This article focuses on current concepts of DD treatment and control strategies, but will not go into detail about most concepts relating to prevention – namely biosecurity, improving foot hygiene, nutrition and genetics. The article includes concepts related to disease screening, treatment at both an individual cow level and with footbaths, and the control of DD through foot disinfection using footbaths. Readers are referred to other detailed reviews where appropriate, such as Plummer and Krull (2017) and Orsel and others (2018).

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“…These animals often have multiple limbs affected, which can make individual treatment in a foot crush a logistical challenge, even for an average-sized herd. Nonetheless, checking the whole herd and treating all visible lesions in a crush has been adopted by some farms -it has been named the 'blitz digital dermatitis treatment' when applied in all age groups at one point in time (Pedersen, 2019).…”

Section: Screening Methodsmentioning

confidence: 99%

“…Complete cure or elimination of digital dermatitis from farms is difficult and was reported only once (Yeruham and Perl, 1998). My recommended approach to substantially reduce the prevalence of digital dermatitis in a dairy herd expands on the 'blitz' approach by Pedersen (2019) and the topical treatment protocol by Alsaaod et al (2022). It involves the screening of all age and production groups on the farm using pen walks or in-parlor scoring to identify animals with any digital dermatitis lesion.…”

Section: Blueprint To Substantially Reduce the Prevalence Of Digital ...mentioning

confidence: 99%

Diagnosis, treatment, and control of bovine digital dermatitis in dairy cattle

Vanhoudt¹

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This thesis focuses on the detection, prompt effective treatment, and control of digital dermatitis (DD) on dairy herds. In Chapter 2, an overview of the status quo on management of DD on dairy herds is given. In Chapter 3 we demonstrated that experienced scorers are well able to differentiate between photographs of feet affected by DD and photographs feet unaffected by DD. On the other hand, they were less able to identify specific lesion stages, including the M2 and M4 stage which are considered important stages regarding clinical impact and infection reservoir, respectively. In Chapter 4 we concluded that infrared thermography (IRT) is unlikely to be suited for automated identification of feet affected by DD due to the poor associations between maximum temperature of the plantar pastern region and the presence of M2 lesions or DD lesions in general. In Chapter 5 we demonstrated that topical treatment of active, often painful, DD lesions with a copper and zinc chelates gel (coppergel) and bandage outperformed an enzyme alginogel and bandage in M-score improvement, with the majority of lesions transitioning to the chronic, often not painful, state. In contrast, treatment with the alginogel achieved improved wound healing progress compared with the coppergel. However, neither the coppergel nor the alginogel achieved high cure rates to healthy skin. In Chapter 6 we illustrated that a standalone identification of risk factors for DD together with associated advice to control these risk factors is insufficient to decrease the prevalence of DD in dairy herds. Chapter 7 concludes this thesis with a general discussion providing a reflection on insights gained and suggestions for future research on the diagnosis, treatment, and control of digital dermatitis in dairy herds.

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Digital dermatitis control in the dairy herd: incorporating the ‘blitz’ treatment approach

Cited by 6 publications

References 8 publications

Robust rapid-setting antibacterial liquid bandages

Robust rapid-setting antibacterial liquid bandages

Treating and controlling digital dermatitis in dairy cattle

Diagnosis, treatment, and control of bovine digital dermatitis in dairy cattle

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