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1.
Rev. med. vet. zoot ; 69(1): 19-32, ene.-abr. 2022. tab, graf
Article in Spanish | LILACS, COLNAL | ID: biblio-1389164

ABSTRACT

RESUMEN En muchos países la fasciolosis y la paramfistomosis representan un grave problema para la salud del sector pecuario. En Colombia hay registros de ambas distomatosis en bovinos, la mayoría en el trópico alto andino, las cuales generan pérdidas econômicas anuales cercanas a 40 000 000 000 COP. El objetivo de esta investigación fue determinar la prevalencia de fasciolosis y paramfistomosis en vacunos de la hacienda La Candelaria, Caucasia (Colombia), y la presencia de caracoles hospederos intermediarios. Para cumplirlo, se realizó un estudio descriptivo de corte transversal con muestreo no probabilístico por conveniencia. Se recolectaron heces de los animales y se hizo el diagnóstico mediante la técnica modificada de Dennis. Se establecieron las prevalencias de los digeneos de acuerdo con el sexo, peso, edad y raza. Se recolectaron caracoles dulciacuícolas en la zona estudiada y se identificaron por morfologia. Se analizaron 466 muestras fecales de 178 bovinos, de las razas Cebú (Bos indicus), BON (blanco orejinegro) y del cruce entre ellas. Se diagnosticaron F. hepatica y Paramphistomidae con prevalencias del 2,2% y 30,9%, respectivamente. En el 1,1% de los vacunos se diagnosticó coinfección. Ambas trematodosis prevalecieron en las hembras (p = 0,03). Se identificaron moluscos dulciacuícolas Ampullariidae, Physidae y Planorbidae sin estadios larvarios de digeneos. Se concluyó que los bovinos de doble propósito de la hacienda La Candelaria están expuestos a F. hepatica y Paramphistomidae, y, probablemente, se infectan en los predios de la hacienda. Paramphistomidae es más prevalente que F. hepatica, lo cual concuerda con lo descrito en algunos estudios realizados en hatos del trópico alto andino colombiano. Paramphistomidae se encontró en todos los grupos etarios.


ABSTRACT Fasciolosis and paramphistomosis are a major health problem for the livestock economy worldwide. In Colombia, both distomatosis are reported in cattle, particularly in high Andean tropics, with annual economic losses close to COP 40 billion. The goal of this study was to determine the prevalence of fasciolosis and paramphistomosis in cattle from La Candelaria farm, Caucasia (Colombia), and the presence of intermediate host snails. A descriptive cross-sectional study was carried out with non-probability convenience sampling. Stool samples were collected from the animals and the diagnosis was made using the modified Dennis technique. Digenea prevalence were determined according to sex, weight, age, and race. Freshwater snails were collected in the studied area and were identified by morphology. 400 and 66 fecal samples from 178 bovines of the Zebu (Bos indicus), BON (white-eared white) breeds and the cross between them were analyzed. Fasciola hepatica and Paramphistomidae were diagnosed with a prevalence of 2,2% and 30,9%, respectively. Coinfection was diagnosed in 1,1% of the cattle. Both trematodosis were most frequent in females (p = 0,03). Freshwater molluscs Ampullariidae, Physidae and Planorbidae without digenea larval stages were identified. It was concluded that dual-purpose cattle from La Candelaria farm are exposed to F. hepatica and Paramphistomidae and are probably infected on the farm grounds. Paramphistomidae was more prevalent than F. hepatica, which agrees with other studies in herds from the Colombian high Andean tropics. Paramphistomidae was found in all age groups.


Subject(s)
Animals , Cattle , Cattle , Tropical Ecosystem , Fasciola hepatica , Livestock , Coinfection , Fresh Water , Mollusca , Research , Snails , Records , Cross-Sectional Studies , Diagnosis
2.
Rev. bras. parasitol. vet ; 28(4): 582-591, Oct.-Dec. 2019. tab, graf
Article in English | LILACS | ID: biblio-1057976

ABSTRACT

Abstract This research aimed to determine the presence of paramphistomids in cattle slaughtered in a slaughterhouse of the Ñuble Region of Chile, to identify flukes and to analyze the frequency of these parasites in the Maule, Ñuble, and Biobío administrative regions of Chile. Between October of 2016 and April of 2017, rumens of 494 cattle were examined for flukes in the forestomachs. Worms were identified morphologically and, in addition, molecular analysis of the internal transcriber spacer region 2 of the fluke's DNA was done and phylogenetic analyses were performed with Bayesian inference in 14 worms. The frequency was analyzed by locality (low- or highlands) and age. The overall frequency was 11.24%. The district with the highest frequency of presentation was Chillán Viejo (30.8%). Districts in the lowlands had similar frequencies to those in the mountain lands (p=0.1). The frequency of flukes was significantly higher in adult animals than in young ones (p<0.01). We obtained a 460 bp-length fragment of DNA that was identical to the sequences previously identified as Paramphistomum cervi and Calicophoron microbothrioides, and performed morphological analyses confirmed that our samples belonged to C. microbothrioides. This is the first published study of C. microbothrioides in Chile.


Resumo Este trabalho teve como objetivo determinar a presença de paramphistomídeos em bovinos abatidos em um matadouro da Região do Ñuble do Chile, para identificar parasitas e analisar a frequência desses parasitos nas regiões administrativas de Maule, Ñuble e Biobío, no Chile. Entre outubro de 2016 e abril de 2017, rúmens de 494 bovinos foram examinados à procura de vermes no pré-estômago. Os vermes foram identificados morfologicamente e, além disso, a análise molecular da região interna do espaçador do transcritor 2 do DNA e análises filogenéticas foram realizadas com inferência bayesiana em 14 vermes. A frequência foi analisada pela altitude da localidade (baixa ou alta) e idade. A frequência geral foi de 11,24%. O distrito com as maiores frequências de parasitismo foi Chillán Viejo (30,8%). Os distritos das terras baixas tinham frequências semelhantes às encontradas nas terras das montanhas (p=0,17). A frequência foi significativamente maior em animais adultos do que em jovens (p<0.01). Obtivemos um fragmento de DNA de 460 pb que era idêntico às sequências anteriores identificadas como Paramphistomum cervi e Calicophoron microbothrioides, e realizamos análises morfológicas que permitiram confirmar que nossas amostras pertenciam a C. microbothrioides. Este é o primeiro estudo publicado sobre C. microbothrioides no Chile.


Subject(s)
Animals , Paramphistomatidae/genetics , Cattle/parasitology , DNA, Helminth/genetics , Paramphistomatidae/anatomy & histology , Paramphistomatidae/classification , Phylogeny , Chile , Abattoirs , Sequence Analysis, DNA
3.
Bol. malariol. salud ambient ; 50(2): 301-306, dic. 2010. ilus
Article in Spanish | LILACS | ID: lil-630446

ABSTRACT

Se presenta el primer caso humano en Venezuela de infección por Paramphistomidae (Fischoeder, 1901) perteneciente a una familia primitiva de trematodos descrita en mamíferos, reptiles y peces; en mamíferos se ha señalado en el rumen y la redecilla de rumiantes, cerdos, equinos, caprinos y bovinos. El caso clínico corresponde a una paciente de diez años procedente del estado Portuguesa. Quien presentó, durante un año de evolución, dolor abdominal difuso, náuseas con vómitos que coinciden con la expulsión con las heces de estructuras parasitarias adultas. Fueron colectados huevos del interior de los parásitos adultos (poro genital), mientras que de las heces de la paciente se evidenciaron iguales estructuras ovígeras. Por medio de análisis morfológicos y morfométricos se definió el parásito como de la familia Paramphistomidae. La niña proviene de un grupo familiar numeroso con deficiente nutrición calórico-proteica que refería alimentarse de productos del río próximo a la vivienda, la cual se encuentra en un área rural dispersa, con malas condiciones socio-sanitarias y está circundada por cultivos de arroz, con amplias zonas que están anegadizas durante todo el año. El presente parásito no está descrito en Venezuela por lo que se realizarán estudios para identificar la especie y señalar los hospedadores que intervienen en su ciclo.


It is reported the first human case of Paramphistomatidae infection (Fischoeder, 1901) in Venezuela, belonging to a primitive family of trematodes which are described in mammals, reptiles and fish, in mammals have been identified in the rumen and reticulum of ruminants, pigs, horses, goats and cattle. The clinical case belongs to a ten-year-old girl from Portuguesa State, who had a year of evolution: Diffuse abdominal pain, nausea with vomiting that match the stool expulsion of adult parasitic structures. Eggs were collected inside the genital pore of adult parasites while the patient’s stool showed the same ovigerous structures. The parasite is defined as Paramphistomatidae family by means of its morphological and morphometric analysis. The girl comes from a large family group with protein-calorie deficient nutrition who eats products coming from the river near her home, which is located in a dispersed rural area with poor socio-sanitary conditions and is surrounded by rice fields, with large areas that are subject to flooding during the year. This parasite is not described in Venezuela so studies will be undertaken to identify it accurately and to identify the hosts involved in the cycle.


Subject(s)
Humans , Animals , Female , Child , Intestinal Diseases, Parasitic/immunology , Intestinal Diseases, Parasitic/pathology , Intestinal Diseases, Parasitic/virology , Public Health , Social Medicine
4.
Rev. colomb. cienc. pecu ; 21(1): 9-18, mar. 2008. ilus, tab, graf
Article in Spanish | LILACS | ID: lil-559245

ABSTRACT

Algunos Paramphistomidae (Trematoda: Digenea) parasitan el sistema digestivo de rumiantes de importancia económica en el mundo. En Colombia han sido reseñadas dos especies en bovinos de la costa Caribe y de los llanos orientales. Esta investigación tuvo como objetivo determinar la frecuencia de un paramfistómido en bovinos y caracoles de una hacienda localizada en Rionegro, Antioquia. En ésta se hicieron cuatro muestreos trimestrales entre julio de 2004 y julio de 2005. Se colectaron heces de los vacunos en ordeño para hacer diagnóstico mediante la técnica de Dennis. Los caracoles se capturaron en diversos ecosistemas acuáticos del lugar y su infección fue establecida mediante disección. Los huevos y los estadíos intramolusco del parásito fueron descritos y fotografiados. La frecuencia del paramfistómido fue del 100% en los 71 bovinos evaluados; de estos, el 80% (51 vacunos) presentaron además un fasciólido. Los huevos de ambos digeneos se diferenciaron mediante su coloración y la familia se confirmó mediante la eclosión de los miracidios. Se colectaron 1.146 caracoles determinados como Lymnaea truncatula y 335 determinados como Lymnaea columella, cuyas frecuencias de infección por el paramfistomido fueron 25, 47 y 1.79%, respectivamente. La morfología de los estadíos intramolusco obtenidos fue compatible con las familias Paramphistomidae y Fasciolidae. Este constituye el primer registro de un foco de paramfistomosis bovina en una zona alto andina, al occidente de Colombia, donde se destaca la presencia en simpatría con Fasciola hepatica y de dos especies de moluscos hospedadoras de ambos digéneos. Las frecuencias de infección en los caracoles, sugieren a L. truncatula como hospedador intermediario principal del paramfistómido y a L. columella como hospedador intermediario alterno del mismo...


Some Paramphistomidae (Region Trematoda: Digenea) parasitize the digestive system of economically important ruminants worldwide. Two species of these flukes have been recorded in cattle from the Caribbean Coast and eastern plains of Colombia. The objective of this study was to determine the frequency of paramphistomids in both dairy cattle (n = 71) and snails on a dairy farm in Rionegro (Antioquia), located in the western Andes. Four quarterly fecal samples were taken in the farm from July 2004 to July 2005. Faeces were collected from lactating dairy cows for diagnosis by using the Dennis technique. Snails were captured in diverse aquatic ecosystems of the locality and their infection status was confirmed by dissection under stereoscopic exam. The eggs and intra-mollusc stages of the parasite were described and photographed. The frequency of the paramphistomid was 100% in the 71 cows evaluated, of which 51 (80%) also presented fasciolid flukes. Eggs of the two digeneid species were differentiated based on their coloration, and the identity of the family confirmed through eclosion of the miracidia. In all 1146 snails were collected and identified as Lymnaea truncatula and a further 335 as L. columella, whose rates of infection to the paramphistomid were 25, 47 and 1.79% respectively. The morphologies of the intra-mollusc stages obtained were compatible with members of the families Paramphistomidae and Fasciolidae. This constitutes the first record of a focus of bovine paramphistomosis in the high Andean zone of western Colombia. The presence in sympatry of the paramphistomid with Fasciola hepatica is noteworthy, as is the finding of two host snail species for both digeneids. The frequencies of infection in the snails indicate that L. truncatula acts as the principal intermediate host of the paramphistomid and L. columella as its alternate intermediate host. Although the frequency of paramphistomids in the herd was very high, presence of the parasite was unsuspected until the present study...


Alguns Paramphistomidae (Trematoda: Digenea) parasitam o sistema digestivo de ruminantes de importância econômica no mundo. Na Colômbia têm sido identificadas duas espécies em bovinos da Costa Caribe e dos Llanos Orientais Nacionais. Este trabalho de pesquisa teve como objetivo determinar a freqüência de um paramfistómido em bovinos e caracóis de uma fazenda localizada em Rionegro, Antioquia. Nesta fazenda foram feitas quatro amostragens trimestrais entre julho de 2004 e julho de 2005 coletando fezes de bovinos em ordenho, para fazer o diagnóstico mediante a técnica de Dennis. Os caracóis foram capturados em diversos ecossistemas aquáticos do lugar e sua infecção estabelecida mediante dissecção. Os ovos e os estádios intramolusco do parasito foram descritos e fotografados. A freqüência do paramfistómido foi de 100% nos 71 bovinos avaliados, de estes, o 80% (51 bovinos) apresentaram ademais um fasciólido. Os ovos de ambos digêneos diferenciaram-se mediante sua coloração e a família se confirmou mediante a eclosão dos miracidios. Foram coletados 1.146 caracois catalogados como Lymnaea truncatula e 335 catalogados como Lymnaea columella, cujas freqüências de infeção pelo paramfistomido foram 25, 47 e 1.79%, respectivamente. A morfologia dos estádios intramolusco obtidos foi compatível com as familias Paramphistomidae e Fasciolidae. Isto constitui o primeiro registro de um foco de paramfistomosis bovina numa região alto andina, no ocidente da Colômbia, donde destaca-se a presença em simpatría com Fasciola hepatica e duas espécies de moluscos hospedeiros de ambos digêneos. As freqüências de infecção nos caracóis, sugerem L. truncatula como hospedeiro intermediário principal do paramfistómido e L. columella como hospedeiro intermediário alternativo do mesmo...


Subject(s)
Cattle , Fasciola hepatica , Lymnaea , Paramphistomatidae/isolation & purification
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