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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
Abstract

The purpose of this study was to evaluate the effect of different levels of concentrate supplementation on the productive response of dairy cows fed high daily herbage allowance of spring pasture. The study was conducted from September to November of 2005. 28 spring calving Friesian cows were...

Author(s)
Pulido, R. G.; Escobar, A.; Follert, S.; Leiva, M.; Orellana, P.; Wittwer, F.; Balocchi, O.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2009, 41, 3, pp 197-204
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
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

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
Abstract

The aim of this study was to evaluate the welfare of dairy cows using a simplified protocol of animal-based observation. 22 commercial dairy farms in the province of Valdivia, Chile, were visited once between March and July 2005. The farms were selected based on the willingness of the owners to...

Author(s)
Arraño, C.; Báez, A.; Flor, E.; Whay, H. R.; Tadich, N.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2007, 39, 3, pp 239-245
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

The objective of this study was to determine the effect of herbage mass, metabolizable energy content, tiller density and dimensions on grazing selectivity, measured by grazing time and estimated herbage intake, on the ryegrass ingestive behaviour of lacting dairy cows. This study was conducted...

Author(s)
Anwandter A., V.; López C., I.; Balocchi L., O.
Publisher
Facultad de Ciencias Agrarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Agro Sur, 2008, 36, 1, pp 15-26

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