Future Directions for Research in Infectious Bovine Keratoconjunctivitis

O’Connor, Annette M.; Angelos, John A.; Dennis, Elliott James; Elizalde, Paola; Kneipp, Mac; Loy, John Dustin; Maier, Gabriele

doi:10.1016/j.cvfa.2021.03.011

Cited by 5 publications

(3 citation statements)

References 14 publications

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“…The scoring system used in this study was chosen in order to be consistent with the scoring system used in our previous vaccine efficacy studies. Use of a uniform scoring system by researchers investigating interventions for IBK has been suggested as a way of maximizing information obtained across multiple studies [44] .…”

Section: Discussionmentioning

confidence: 99%

Randomized controlled field trial to assess the efficacy of an intranasal Moraxella bovis cytotoxin vaccine against naturally occurring infectious bovine keratoconjunctivitis

Angelos,

Agulto,

Mandzyuk

et al. 2023

Vaccine: X

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Section: Discussionmentioning

confidence: 99%

Randomized controlled field trial to assess the efficacy of an intranasal Moraxella bovis cytotoxin vaccine against naturally occurring infectious bovine keratoconjunctivitis

Angelos,

Agulto,

Mandzyuk

et al. 2023

Vaccine: X

Self Cite

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“…Several studies also indicate that pinkeye is associated with face flies [ 37 , 38 , 39 , 40 ], but few respondents (31.3%) perceived flies to be a problem in this study. Since there are currently no efficient vaccines against pinkeye [ 41 ], and the disease is typically treated with antibiotics such as oxytetracycline via subconjunctival or topical routes [ 38 ], the restriction in the use of antibiotics can be challenging for the control of this disease on organic farms.…”

Section: Discussionmentioning

confidence: 99%

Survey of Management Practices and Farmers’ Perceptions of Diseases on Organic Dairy Cattle Farms in California

Cheong

Francesco

Lee

et al. 2022

Animals

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In 2019, California accounted for approximately 40% of organic products in the US, and dairy products and milk were the top organic commodity in the state. The objective of this study was to describe organic dairy cattle farmers’ management practices and perceptions of diseases in California. A survey inquiring about farm history and demographics, animal diseases, parasite problems, housing and pasture management, and organic education, was mailed to 160 organic dairy farms, of which 36 (22.5%) responded. Among respondents, the majority (83.9%) were located in Northern California; median farm size was 310 cows, and the dominant breed was Holstein (60.0%). Respondents were more likely to report mastitis in cows (45.2%), pinkeye in heifers (31.3%), and digestive problems in calves (47.0%), as issues affecting their stock “often” or “almost always” in the last 12 months. Although most farmers vaccinated their cattle against Bovine Viral Diarrhea (86.1%) and Escherichia coli mastitis (80.6%), they still described that these diseases frequently impacted their animals. Over half of the farmers did not perceive gastrointestinal parasites or biting flies to be a problem and did not observe signs of lice and mites. According to the results, the management of disease in all age classes is a concern; options and efficacies of alternative therapeutic methods, as well as preventive measures for organic dairies need to be further explored.

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“…5 Several risk factors for IBK, such as exposure to tall vegetation and dust, have been suspected, but little controlled research has confirmed the importance of specific risk factors. 19 The rationale for these suspicions is founded in the idea that these factors lead to corneal damage in the same manner as confirmed risk factors, such as flies and UV radiation. 5,12,13 Flies, such as the house fly (Musca domestica), the barn fly (Stomoxys calcitrans), and the face fly (Musca autumnalis) may be involved in transmission of the pathogens that cause IBK.…”

Section: Introductionmentioning

confidence: 99%

A description of infectious bovine keratoconjunctivitis outbreaks in West Virginia beef herds

Glover

Woolums

Berghaus

et al. 2022

The Bovine Practitioner

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Infectious bovine keratoconjunctivitis (IBK) is the most important ocular disease of cattle. Prevention and control of the disease can prove challenging, and the list of potential etiologic agents has expanded in recent years. Little has been recently published characterizing IBK outbreaks at the herd level. This case series investigation was conducted to describe the disease characteristics and management practices in herds affected by IBK outbreaks in 1 practice area in West Virginia in 2019. Seven producers were interviewed: 6 cowcalf producers and 1 stocker producer. Producers were asked questions pertaining to disease severity and management, such as herd health protocols and husbandry. In addition, organisms from each of the herds were identified by culture and/or PCR. Results revealed a range of disease incidence as well as similarities and differences in management practices among herds. The interpretability of results is limited due to small sample size and data collection method; however, results suggest that some herds in the area where producerswere interviewed experienced severe IBK outbreaks, and that some management practices relevant to IBK were similar between herds. Results also suggest that further study to identify poorly characterized IBK risk factors is warranted.

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Future Directions for Research in Infectious Bovine Keratoconjunctivitis

Cited by 5 publications

References 14 publications

Randomized controlled field trial to assess the efficacy of an intranasal Moraxella bovis cytotoxin vaccine against naturally occurring infectious bovine keratoconjunctivitis

Randomized controlled field trial to assess the efficacy of an intranasal Moraxella bovis cytotoxin vaccine against naturally occurring infectious bovine keratoconjunctivitis

Survey of Management Practices and Farmers’ Perceptions of Diseases on Organic Dairy Cattle Farms in California

A description of infectious bovine keratoconjunctivitis outbreaks in West Virginia beef herds

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