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Abstract

Author(s)
Crossley, J.; Gorman, T.; Alcaino, H.
Citation
Boletin Chileno de Parasitologia, 1970, 25, No.3/4, pp 126-129
Abstract

Blood samples from 350 cattle in 14 herds with no history of leucosis, in 7 age groups, were examined by the method of Schalm (1965); none of the animals were in the last month of pregnancy or at calving. Total leucocytes showed a significant variation with age, increasing to a maximum at 1-2 years ...

Author(s)
Wittwer, F.; Bohmwald, H.
Citation
Archivos de Medicina Veterinaria, 1974, 6, No.1, pp 32-36
Abstract

Of 169376 infected slaughter animals (163535 cattle, 3478 sheep, 2185 pigs and 178 horses) 64.6% had cysts in the liver, 54.5% in the lung, and 5.5% in other viscera.

Author(s)
Szekely, R.; Rojo, M.; Ramirez, R.
Citation
Boletin Chileno de Parasitologia, 1973, 28, No. 3/4, pp 70-80
Abstract

Author(s)
Burgos, H.
Citation
Bolatin Chileno de Parasitologia, 1973, 28, No.1/2, pp 37-38
AbstractFull Text

In order to evaluate the productive and economic performance on a pastures system, was conducted an experiment with 21 autumn-born Friesian young dairy bulls of 4 months of age and 140±17.07 kg LW, kept on pasture for 511 days. During the winter period and for 111 days, three treatments were...

Author(s)
Adrián Catrileo, S.; Claudio Rojas, G.
Publisher
Ediciones Universidad de Concepción, Chillán, Chile
Citation
Agro-Ciencia, 2012, 28, 1, pp 41-50
Abstract

To solve territorial arrangement and alternative land use allocation, a heuristic algorithm was used. The study area included 2216 hectares located in the Andes range, Panguipulli, 10th Region, Chile. To solve the problem, a links and nodes network was established. The nodes represented multiple...

Author(s)
Gayoso, J.; Muñoz, R.
Publisher
Facultad de Ciencias Forestales, Universidad Australe de Chile, Valdivia, Chile
Citation
Bosque, 2000, 21, 1, pp 3-12
Abstract

For 2 consecutive years, a milk production system was evaluated at Humán Experimental Station, Los Angeles, Chile (37°28'Lat. S. and 72°23'Long. W.). 4 ha of lucerne were used alternately for rotational grazing at the prebud stage and for cutting for hay production at the 10% bloom stage. Maize...

Author(s)
Jahn B., E.; Vidal V., A.; Soto O., P.
Publisher
Instituto de Investigaciones Agropecuarias, Chillán, Chile
Citation
Agricultura Técnica, 2000, 60, 1, pp 43-51
Abstract

Various methods for calculating persistency of the lactation curve were compared and an equation proposed by Wood [Nature, UK (1967) 216, 164; DSA 30, 1] was used for adjustment of the lactation curve to allow for decline in lactation persistency in Holstein-Friesian cows at La Platina Experimental ...

Author(s)
Pedraza G., C.; Rodríguez S., D.
Citation
Agricultura Técnica, 1988, 48, 4, pp 341-344
Abstract

Bovine viral diarrhoea virus (BVDV) has a worldwide distribution and most cattle are seropositive, although the prevalence may vary among herds and among different age groups. Persistently infected (PI) animals are the most efficient transmitters of infection often remaining unnoticed in the herds, ...

Author(s)
Reinhardt, G.; Riedemann, S.; Tadich, N.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2002, 34, 1, pp 97-101
Abstract

A questionnaire about hydatidosis was sent to 37 farms in Tierra del Fuego Province, Chile, which has a population of 6,174 persons, 1,142,000 sheep and 30,946 cattle. During 1976, 35,947 sheep were slaughtered and 64.8% were infected with hydatid. Infection was more common in older sheep than in...

Author(s)
Vargas, E.; Ernst, S.; Sievers, G.
Citation
Boletin Chileno de Parasitologia, 1978, 33, 1/2, pp 18-24

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