A survey of abortifacient infectious agents in livestock in Luzon, the Philippines, with emphasis on the situation in a cattle herd with abortion problems

Konnai, Satoru; Mingala, Claro N.; Sato, Misako; Abes, Nancy S.; Venturina, Fe A.; Gutierrez, Charito A.; Sano, Takafumi; Omata, Yoshitaka; Cruz, Libertado C.; Onuma, Misao; Ohashi, Kazuhiko

doi:10.1016/j.actatropica.2007.12.004

Cited by 47 publications

(25 citation statements)

References 20 publications

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“…The result also reveals, for the first time, the occurrence of N. caninum infection in (Huong et al 1998;Duong et al 2008), Thailand (Suteeraparp et al 1999;Chanlun et al 2006), Malaysia (Cheah et al 2004), and the Philippines (Konnai et al 2008). The seroprevalence was not significantly associated with the age which might result from an inadequate grouping or suggest an effective transplacental transmission of N. caninum from the infected dam to her calf.…”

Section: Discussionmentioning

confidence: 86%

Seroprevalence of antibodies to Neospora caninum in Bos javanicus (‘Bali cattle’) from Indonesia

Damriyasa

Schares

Bauer

2009

Trop Anim Health Prod

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A cross-sectional survey was performed to obtain first information on the presence of Neospora caninum infection in Bos javanicus ('Bali cattle'), the predominant beef cattle in the Eastern Islands of Indonesia. Serum samples were collected from 438 Bali cattle of two age classes (<2 years, >2 years) and both genders at three slaughterhouses in the Bali island, and examined for N. caninum-specific antibodies using native NcSRS2 (p38 antigen) as an ELISA antigen. The estimated overall seroprevalence of antibodies was 5.5% (95% CI: 3.5-8.0%). The seroprevalence was not significantly associated with age class or gender of the animals. The results give first serological evidence for the presence of natural N. caninum infection in Bos javanicus and indicate its occurrence in Indonesia.

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Section: Discussionmentioning

confidence: 86%

Seroprevalence of antibodies to Neospora caninum in Bos javanicus (‘Bali cattle’) from Indonesia

Damriyasa

Schares

Bauer

2009

Trop Anim Health Prod

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“…In previous surveys conducted in the Philippines, the prevalence of B. bigemina, A. marginale, and T. evansi in the water buffalo were 10.3%, 4.4%, and 2.9%, respectively (Konnai et al, 2008;Mingala et al, 2009). More recently, surveys for tickborne pathogens have been conducted in Cebu Island (Ybañez et al, 2013a,b).…”

Section: Introductionmentioning

confidence: 95%

Molecular epidemiological survey and genetic analysis of vector-borne infections of cattle in Luzon Island, the Philippines

Ochirkhuu

Konnai

Mingala

et al. 2015

Veterinary Parasitology

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“…This virus has a high affinity for leucocytes and reduces their numbers in infected animals. This immunosuppression potentiates the effects of other pathogens, including abortifacient ones, such as Neospora caninum (Bjorkman et al, 2000;Konnai et al, 2008).…”

Section: Bovine Viral Diarrhea (Bvd)mentioning

confidence: 99%

“…Factors that have been reported to increase the risk of abortion in dairy cattle herds include: being a heifer; being a cow of more than 10 years old; feeding on communal pastures; lack of vaccination against abortifacient diseases, hygiene, animal management and reproductive problems such as retained placentae, dystocia, uterine prolapse and stillbirth in the previous pregnancies (Waldner and Garcia, 2013;Waldner, 2014). Risk factors such as environmental (nutrition, temperature extremes and toxins, among others), management (crowding and use of natural mating), geographical factors and infectious factors, with infections contributing up to 90% of the abortions also reported (Konnai et al, 2008;Mekonen et al, 2010). Environmental high temperature may affect inside-pens temperature and performance of dairy cattle.…”

Section: Risk Factors Of Abortionmentioning

confidence: 99%

Review of common causes of abortion in dairy cattle in Ethiopia

Tulu¹,

Deresa²,

Begna³

et al. 2018

J. Vet. Med. Anim. Health

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Abortion in dairy cattle may be caused by infectious and non-infectious agents. Infectious causes of abortion in dairy cattle include brucellosis, leptospirosis, listeriosis, Q fever, bovine viral diarrhea, mycotic abortion and neosporosis. Non-infectious causes of abortion in dairy cattle are genetic and non-genetic disorder. Risk factors associated with abortion in dairy cattle are genetic, environmental, management, geographical factors and infectious factors. Abortion in dairy cows brings about breeding and productive damages. Abortions cause significant economic loss to dairy farm. These losses can be attributed to loss of replacement calves, reduced milk production, costs of treatment, feeding of animals and premature culling of productive cows and heifers. Diagnosis of bovine abortion includes the collection of a complete history of the case and relevant epidemiological data and collected sample for analysis. However, determining the cause of bovine abortion is difficult as abortions are caused by numerous infectious and noninfectious factors. Status of abortion and breeds affected by abortion in Ethiopia were also reviewed.

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A survey of abortifacient infectious agents in livestock in Luzon, the Philippines, with emphasis on the situation in a cattle herd with abortion problems

Cited by 47 publications

References 20 publications

Seroprevalence of antibodies to Neospora caninum in Bos javanicus (‘Bali cattle’) from Indonesia

Seroprevalence of antibodies to Neospora caninum in Bos javanicus (‘Bali cattle’) from Indonesia

Molecular epidemiological survey and genetic analysis of vector-borne infections of cattle in Luzon Island, the Philippines

Review of common causes of abortion in dairy cattle in Ethiopia

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