Prevalence of Infectious Agents in Free-ranging White-tailed Deer in Northeastern Mexico

Cantu, Antonio; Ortega-S., J. Alfonso; Mosqueda, Juan; García-Vázquez, Zeferino; Henke, Scott E.; George, John E.

doi:10.7589/0090-3558-44.4.1002

Cited by 27 publications

(28 citation statements)

References 15 publications

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“…Little information is available on the seroprevalence of BVDV in California deer except for one Yosemite National Park study that found four of seven (57%) deer sampled were seropositive [43]. A Minnesota study found a 20–22% seroprevalence of BVDV type 2 in adult white-tailed deer [70] whereas a study in Mexico found a seroprevalence of 63% [71]. In both studies, the seroprevalence was generally higher in areas with dense cattle populations.…”

Section: Discussionmentioning

confidence: 99%

“…Northern California and the coastal ranges receive the highest amount of precipitation in the State [74] and these areas likely have more favorable environmental conditions for transmission of this pathogen. Serovars pomona , grippotyphosa and hardjo have previously been reported in white-tailed deer [27], [55], [71], [75] and the serovar pomona has been found to be associated with clinical leptospirosis in farmed deer [30], [76]. The serovar hardjo most commonly occurs in areas where deer have contact with cattle [71], and although the prevalence was low in our study, this serovar occurred most frequently in area 5 in central to eastern California where private and public grazing land could allow for contact between deer and cattle.…”

Section: Discussionmentioning

confidence: 99%

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Serosurveillance for Livestock Pathogens in Free-Ranging Mule Deer (Odocoileus hemionus)

et al. 2012

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Routine disease surveillance has been conducted for decades in mule deer (Odocoileus hemionus) in California for pathogens shared between wildlife and domestic ruminants that may have implications for the animal production industry and wildlife health. Deer sampled from 1990 to 2007 (n = 2,619) were tested for exposure to six pathogens: bluetongue virus (BTV), epizootic hemorrhagic disease virus (EHDV), bovine viral diarrhea virus (BVDV), Leptospira spp., Anaplasma spp. and Brucella spp. We evaluated the relationship between exposure to these pathogens and demographic risk factors to identify broad patterns in seroprevalence across a large temporal and spatial scale. The overall seroprevalence for the entire study period was 13.4% for BTV, 16.8% for EHDV, 17.1% for BVDV, 6.5% for Leptospira spp., 0.2% for Brucella spp., and 17% for Anaplasma spp. Antibodies against BTV and EHDV were most prevalent in the deer populations of southern California. Antibodies against Leptospira spp. and Anaplasma spp. were most prevalent in coastal and central northern California whereas antibodies against BVDV were most prevalent in central-eastern and northeastern California. The overall seroprevalence for Anaplasma spp. was slightly lower than detected in previous studies. North and central eastern California contains large tracts of federal land grazed by livestock; therefore, possible contact between deer and livestock could explain the high BVDV seroprevalence found in these areas. Findings from this study will help to establish baseline values for future comparisons of pathogen exposure in deer, inform on long-term trends in deer population health and provide relevant information on the distribution of diseases that are shared between wildlife and livestock.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Serosurveillance for Livestock Pathogens in Free-Ranging Mule Deer (Odocoileus hemionus)

et al. 2012

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“…Although leptospirosis is a human and veterinary problem in Mexico, especially in states with tropic climate such as Tabasco and Veracruz with a human incidence that fluctuates between 4.39 and 11.74 cases per 100,000 inhabitants (Sánchez‐Montes, Espinosa‐Martínez, Ríos‐Muñoz, Berzunza‐Cruz, & Becker, ) and a seroprevalence in cattle that varies from 60% to 80% in Veracruz (Zárate‐Martínez, Rosete‐Fernández, Ríos‐Utrera, Barradas‐Piña, & Olazarán‐Jenkins, ), few studies have been carried out in order to identify wild hosts involved in the transmission of this pathogenic spirochaetes, all of them concentrated in terrestrial (Cantu et al., ; Espinosa‐Martínez et al., ; López‐Pérez et al., ; Méndez et al., ; Montiel‐Arteaga, Atilano, Ayanegui, Ceballos, & Suzán, ; Ruiz‐Pina, Puc‐Franco, Flores‐Abuxapqui, Vado‐Solis, & Cardenas‐Marrufo, ; Vado‐Solís et al., ) or marine mammals (Acevedo‐Whitehouse et al., ; Aragón‐Martínez, Olivera‐Gómez, & Jiménez‐Domínguez, ; Avalos‐Téllez et al., ; Godínez et al., ; Ziehl‐Quirós, García‐Aguilar, & Mellink, ), with a lack of knowledge regarding bats as potential reservoirs of these bacteria. To identify the role of bats as carriers of pathogenic leptospires, we detected and evaluated the diversity of Leptospira using molecular techniques in samples of kidneys from several bat species of Veracruz, Mexico.…”

Section: Introductionmentioning

confidence: 99%

Detection of pathogenicLeptospiraspecies associated with phyllostomid bats (Mammalia: Chiroptera) from Veracruz, Mexico

Ballados‐González

Sánchez‐Montes

Romero-Salas

et al. 2018

Transbound Emerg Dis

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The genus Leptospira encompass 22 species of spirochaetes, with ten pathogenic species that have been recorded in more than 160 mammals worldwide. In the last two decades, the numbers of records of these agents associated with bats have increased exponentially, particularly in America. Although order Chiroptera represents the second most diverse order of mammals in Mexico, and leptospirosis represents a human and veterinary problem in the country, few studies have been conducted to identify potential wildlife reservoirs. The aim of this study was to detect the presence and diversity of Leptospira sp. in communities of bats in an endemic state of leptospirosis in Mexico. During January to September 2016, 81 bats of ten species from three localities of Veracruz, Mexico, were collected with mist nets. Kidney samples were obtained from all specimens. For the detection of Leptospira sp., we amplified several genes using specific primers. Amplicons of the expected size were submitted to sequencing, and sequences recovered were compared with those of reference deposited in GenBank using the BLAST tool. To identify their phylogenetic position, we realized a reconstruction using maximum-likelihood (ML) method. Twenty-five samples from three bat species (Artibeus lituratus, Choeroniscus godmani and Desmodus rotundus) showed the presence of Leptospira DNA. Sequences recovered were close to Leptospira noguchii, Leptospira weilii and Leptospira interrogans. Our results include the first record of Leptospira in bats from Mexico and exhibit a high diversity of these pathogens circulating in the state. Due to the finding of a large number of positive wild animals, it is necessary to implement a surveillance system in populations of the positive bats as well as in related species, in order to understand their role as carriers of this bacterial genus.

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“…88 Significantly greater seroprevalence rates were detected in white-tailed deer on ranches where cattle were present compared with ranches without cattle. 89 In contrast, an association between BVDV seroprevalence and cattle density was not detected in another study. 90 Similar findings have been described in a recent report from Minnesota where a greater percentage of deer were seropositive in a region with a lower cattle density.…”

Section: Bvdv In Wildlifementioning

confidence: 73%

Infectious Agents

Passler

2014

Bovine Reproduction

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Prevalence of Infectious Agents in Free-ranging White-tailed Deer in Northeastern Mexico

Cited by 27 publications

References 15 publications

Serosurveillance for Livestock Pathogens in Free-Ranging Mule Deer (Odocoileus hemionus)

Serosurveillance for Livestock Pathogens in Free-Ranging Mule Deer (Odocoileus hemionus)

Detection of pathogenicLeptospiraspecies associated with phyllostomid bats (Mammalia: Chiroptera) from Veracruz, Mexico

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