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Abstract

The extensive bovine systems of Tierra del Fuego incorporate little management technology so they have low production levels per unit area. However, there are technologies available such as grassland assessment, vegetation type separation, and rotational grazing system that would allow better...

Author(s)
Ormaechea, S.; Gargaglione, V.; Bahamonde, H. A.; Escribano, C.; Ceccaldi, E.; Peri, P. L.
Publisher
CIPAV Foundation, Cali, Colombia
Citation
Livestock Research for Rural Development, 2018, 30, 2, pp Article 33
AbstractFull Text

This proceedings contains 6 conference papers on the effect of milk fat on human health; nutritional strategies to mitigate the production and metabolic consequence of heat stress; the current feeding systems for dairy cows that combine mixed pastures and total rations; antecedents of production...

Publisher
Asociación Argentina de Producción Animal, Balcarce, Argentina
Citation
Revista Argentina de Producción Animal, 2014, 34, 2, pp 6-47
AbstractFull Text

The characteristics of prairie-based milk production systems in Chile and the effect of feed supplements in addition to grazing on the behaviour and productive performance of dairy cows are described.

Author(s)
Pulido F., R.
Publisher
Asociación Argentina de Producción Animal, Balcarce, Argentina
Citation
Revista Argentina de Producción Animal, 2014, 34, 2, pp 34-40
AbstractFull Text

The ingestive behaviour of dairy cows grazing L. perenne cv. Quartet with different levels and types of endophyte was evaluated over a 5-month period (Spring-Autumn). The trial was carried out in Osorno, on pastures of L. perenne cv. Quartet with: Low levels of endophytes (BES); endophyte AR1; and...

Author(s)
Soto S., C. A.; López C., I. F.; Balocchi L., O. A.
Publisher
Facultad de Ciencias Agrarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Agro Sur, 2010, 38, 3, pp 222-233
Abstract

This study was undertaken to evaluate the influence of daily pasture allowance and concentrate type on ruminal pH, the ammonia nitrogen (N-NH3) and the volatile fatty acid (VFA) concentrations in the rumen of autumn-calving dairy cows in early lactation. Three Chilean Black Friesian cows fitted...

Author(s)
Sotelo, J.; Noro, M.; Wittwer, F.; Smulders, J. P.; Pulido, R. G.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2012, 44, 2, pp 167-172
AbstractFull Text

The objective of this study was to determine if the supplementation with two carbohydrate sources that have different degradation rates, reduces the ammonia production by ruminal bacteria by increasing the nitrogen capture in dairy cows grazing high protein contents pastures. Four dairy cows fitted ...

Author(s)
Manterola, H. B.; Carreño, N. G.; Orellana, M. C.; González, H. V.; Cerda, D. A.
Publisher
Instituto de Zootecnia, Facultad de Veterinaria, Córdoba, Spain
Citation
Archivos de Zootecnia, 2013, 62, 240, pp 491-499
Abstract

Blood metabolites concentrations present diurnal variations related to food intake. An experiment was carried out to evaluate diurnal variations in the blood metabolites concentration related to feeding behavior in grazing lactating cows. Eight Frisian cows, 60 to 90 days of lactation, were kept...

Author(s)
Noro, M.; Borkert, J.; Hinostroza, G. A.; Pulido, R.; Wittwer, F.
Publisher
Facultad de Ciencias Veterinarias, Universidad del Zulia, Maracaibo, Venezuela
Citation
Revista Cientifica, Facultad de Ciencias Veterinarias, Universidad del Zulia, 2011, 21, 2, pp 125-130
Abstract

An experiment was designed to study the effects of selenium supplementation with sodium selenite on blood activity of glutathione peroxidase (GSH-Px; EC 1.11.1.9) and liveweight gain of selenium deficient grazing dairy heifers from two dairy farms from the south of Chile. A total of 80 Friesian...

Author(s)
Oblitas, F.; Contreras, P. A.; Böhmwald, H.; Wittwer, F.
Citation
Archivos de Medicina Veterinaria, 2000, 32, 1, pp 55-62
Abstract

At each of 2 sites in central southern Chile crossbred Friesian cows were grazed together in a traditional rotational grazing system (A) or were kept in 2 groups, the half producing most milk grazing first (B1) followed by the others (B2) grazing on what was left. The pastures were irrigated and...

Author(s)
Jahn B., E.; Vyhmeister B., H.; Vidal V., A.; Bonilla E., W.; Millas A., P.
Citation
Agricultura Técnica, 1983, 43, 3, pp 203-209

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