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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
AbstractFull Text

The objective of this study was to evaluate the animal response to feeding winter fattening rations based on silages of pure wheat (Triticum aestivum L.) or wheat forage supplemented with broiler litter or a mixture of litter and corn grain. (Zea mays L). Treatments were (1) wheat silage with...

Author(s)
Rojas G., C.
Publisher
Facultad de Ciencias Agrarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Agro Sur, 2009, 37, 1, pp 52-59
Abstract

In the Carillanca Regional Agricultural Research Institute, Chile, kernel maize (Zea mays) was compared with sprouted wheat (Triticum aestivum) incorporated in the concentrate of cows that consumed maize silage plus 4 kg of lucerne (Medicago sativa). A total of 8 Chilean Frison Negro cows were...

Author(s)
Hazard, S.; Rojas, C.; Hewstone, C.
Publisher
Instituto de Investigaciones Agropecuarias, Chillán, Chile
Citation
Agricultura Técnica, 2004, 64, 1, pp 25-33
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

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