Association between Mycobacterium avium subsp. paratuberculosis infection and culling in dairy cattle herds

Arrazuria, Rakel; Arnaiz, I.; Fouz, Ramiro; Calvo, Claudio; Eiras, C.; Dieguez, Francisco

doi:10.4067/s0301-732x2014000100006

Cited by 11 publications

(11 citation statements)

References 16 publications

(7 reference statements)

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“…A previous study, performed at herd instead of animal-level indicated that farms with both ELISA-positive and fecal culturepositive animals had higher culling rates than those with ELISA positive but no fecal-culture positive animals. In addition, substantial differences in the causes of loss were found between the two groups (Arrazuría et al, 2014).…”

Section: Discussionmentioning

confidence: 98%

Effect of Mycobacterium avium subsp. paratuberculosis infection status on culling and calving difficulty in dairy cattle

Mato¹,

Pesqueira²,

Factor³

et al. 2015

Livestock Science

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Section: Discussionmentioning

confidence: 98%

Effect of Mycobacterium avium subsp. paratuberculosis infection status on culling and calving difficulty in dairy cattle

Mato¹,

Pesqueira²,

Factor³

et al. 2015

Livestock Science

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“…() reported, higher mastitis incidences and Arrazuria et al. () higher culling due to mastitis in MAP affected herds when compared with negative herds (McNab et al., ; Baptista et al., ; Dieguez et al., ; Arrazuria et al., ). Also, in animals followed to slaughter, Merkal et al.…”

Section: Assessmentmentioning

confidence: 97%

Assessment of listing and categorisation of animal diseases within the framework of the Animal Health Law (Regulation (EU) No 2016/429): paratuberculosis

More¹,

Bøtner²,

Butterworth³

et al. 2017

EFS2

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Paratuberculosis has been assessed according to the criteria of the Animal Health Law (AHL), in particular criteria of Article 7 on disease profile and impacts, Article 5 on the eligibility of paratuberculosis to be listed, Article 9 for the categorisation of paratuberculosis according to disease prevention and control rules as in Annex IV and Article 8 on the list of animal species related to paratuberculosis. The assessment has been performed following a methodology composed of information collection and compilation, expert judgement on each criterion at individual and, if no consensus was reached before, also at collective level. The output is composed of the categorical answer, and for the questions where no consensus was reached, the different supporting views are reported. Details on the methodology used for this assessment are explained in a separate opinion. According to the assessment performed, paratuberculosis can be considered eligible to be listed for Union intervention as laid down in Article 5(3) of the AHL. The disease would comply with the criteria in Sections 3, 4 and 5 of Annex IV of the AHL, for the application of the disease prevention and control rules referred to in points (c), (d) and (e) of Article 9(1). The animal species to be listed for paratuberculosis according to Article 8(3) criteria are several species of mammals and birds as susceptible species and some species of the families Bovidae, Cervidae and Leporidae as reservoirs.

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“…One factor that none of these studies addressed is the role of MAP infection in susceptibility to other infections. For example, higher mastitis incidence has been found in MAP positive farms in two different studies [32,33], and Rossi et al [34] found that MAP-infected animals had significantly higher rates of clinical mastitis. As clinical mastitis is one of the most economically important diseases of dairy herds, a positive association between MAP infection and mastitis could greatly alter the cost-benefit estimate of MAP and mastitis control.…”

Section: Introductionmentioning

confidence: 99%

Mastitis risk effect on the economic consequences of paratuberculosis control in dairy cattle: A stochastic modeling study

et al. 2019

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The benefits and efficacy of control programs for herds infected with Mycobacterium avium subsp. paratuberculosis (MAP) have been investigated under various contexts. However, most previous research investigated paratuberculosis control programs in isolation, without modeling the potential association with other dairy diseases. This paper evaluated the benefits of MAP control programs when the herd is also affected by mastitis, a common disease causing the largest losses in dairy production. The effect of typically suggested MAP controls were estimated under the assumption that MAP infection increased the rate of clinical mastitis. We evaluated one hundred twenty three control strategies comprising various combinations of testing, culling, and hygiene, and found that the association of paratuberculosis with mastitis alters the ranking of specific MAP control programs, but only slightly alters the cost-benefit difference of particular MAP control components, as measured by the distribution of net present value of a representative U.S. dairy operation. In particular, although testing and culling for MAP resulted in a reduction in MAP incidence, that control led to lower net present value (NPV) per cow. When testing was used, ELISA was more economically beneficial than alternative testing regimes, especially if mastitis was explicitly modeled as more likely in MAP-infected animals, but ELISA testing was only significantly associated with higher NPV if mastitis was not included in the model at all. Additional hygiene was associated with a lower NPV per cow, although it lowered MAP prevalence. Overall, the addition of an increased risk of mastitis in MAP-infected animals did not change model recommendations as much as failing to consider.

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Association between Mycobacterium avium subsp. paratuberculosis infection and culling in dairy cattle herds

Cited by 11 publications

References 16 publications

Effect of Mycobacterium avium subsp. paratuberculosis infection status on culling and calving difficulty in dairy cattle

Effect of Mycobacterium avium subsp. paratuberculosis infection status on culling and calving difficulty in dairy cattle

Assessment of listing and categorisation of animal diseases within the framework of the Animal Health Law (Regulation (EU) No 2016/429): paratuberculosis

Mastitis risk effect on the economic consequences of paratuberculosis control in dairy cattle: A stochastic modeling study

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