Parasites in dairy cattle farms in southern Brazil

Abstract

Objective. The aim of this study was to investigate the relation among type and size of the farms related to the management of production and especially the presence and control of parasites. Materials and methods. To accomplish the above, 65 farms were used: 56 of semi-extensive system (cows in pastures), classified as low density farms (n=15, up to 15/cows), medium density farms (n=20; between 16-30/cows) and large density farms (n=21; over 31/cows). It was also included nine farms freestall system (n=9; confinement, over 70 cows) as part of the study population. Results. In the farms visited for the study can be noticed that the farms that had the higher level of technological improvement in managements practice were properties in high level (3) and freestall (4). In most of the farms there were observed the presence of ticks and flies, regardless of density of farms. Feces samples collected from 650 cows (n=10/farm), and analyzed using McMaster showed that 191 cows were positive for parasites. The presence of antibodies in bulk milk tank occurred in 36 (55.38%; CI 95% 42-67) to Neospora caninum of the studied farms. Conclusions. We also conclude that N. caninum is present in cattle herds in Western Santa Catarina, and may be linked to reproductive problems in cows.Key words: Cow, nematodes, neosporosis, production systems (Source: CAB, MeSH). RESUMENObjetivo. El objetivo de este estudio fue investigar la relación entre el tipo y el tamaño de las fincas relacionadas con la gestión de la producción, y especialmente, la presencia y el control de los parásitos. Materiales y métodos. Para lograr lo anterior, se utilizaron 65 granjas: 56 de semi-extensivo sistema (vacas en los pastos), clasificado como granjas de baja densidad (n=15, hasta 15/vacas), las granjas de densidad media (n=20; entre 16-30/vacas) y granjas grandes densidad (n=21; más de 31/vacas). También se incluyeron nueve del sistema de granjas freestall (n=9; confinamiento, más de 70 vacas) como parte de la población de estudio. Resultados. En las granjas visitadas se pudó notar que tenían el mayor nivel de mejora tecnológica en la práctica de gestiones eran propiedades en alto nivel (3) y estabulación libre (4). En la mayoría de las granjas no se observó la presencia de

Uso da espectroscopia de infravermelho próximo com Transformada de Fourier (FT-NIR) para acompanhar o processo de Tristeza Parasitária Bovina / Use of near-infrared spectroscopy with Fourier Transform (FT-NIR) to accompany the Bovine Parasitic Sadness process

“…BPS consists of a complex of diseases that include babesiosis and anaplasmosis. It is considered one of the health problems of greatest economic damage in cattle raising, which translates into high rates of mortality and morbidity, with a significant reduction in the production of milk and/or meat, causing high cost with special handling and treatments [9][8] [10]. The basic clinical symptoms are: fever, anemia, lack of appetite, among others [9] [8].…”

“…The basic clinical symptoms are: fever, anemia, lack of appetite, among others [9] [8]. Tropical and subtropical climates facilitate the vector's direct action on the host, which greatly affects cattle ranching in these climates [10]. This vector is endemic in India, Asia, northeastern Australia, Madagascar, southeastern Africa, the Caribbean, countries in South and Central America, and Mexico [11].…”

Manejo sanitário e a ocorrência de carrapatos em propriedades na região do planalto serrano Catarinense, Sul do Brasil

“…Neste contexto, destaca-se o carrapato -Rhipicephalus microplus -um dos parasitos mais comuns e responsável por grandes prejuízos na pecuária Catarinense e do país como um todo (PASCOETI et al, 2016). Este parasito ocorre basicamente em todo o território nacional, tendo seu nível de parasitismo variando em função das condições climáticas, do manejo das pastagens e dos rebanhos bem como das raças exploradas (SOUZA, 2013).…”

Estudo Da Produção De Biodiesel a Partir Da Reação Detransesterificação Do Óleo De Palma Refinado Por via Etanólica Utilizando Catálise Homogênea E Heterogênea

“…Neste contexto, destaca-se o carrapato -Rhipicephalus microplus -um dos parasitos mais comuns e responsável por grandes prejuízos na pecuária Catarinense e do país como um todo (PASCOETI et al, 2016). Este parasito ocorre basicamente em todo o território nacional, tendo seu nível de parasitismo variando em função das condições climáticas, do manejo das pastagens e dos rebanhos bem como das raças exploradas .…”