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AbstractFull Text

Author(s)
Rodríguez, A.; Hartley, R.; González, I.; Werner, M.; Bustamante, H.
Publisher
Organising Committee, 18th International Symposium & 10th Conference on Lameness in Ruminants, Valdivia, Chile
Citation
Proceedings of the 18th International Symposium & 10th Conference on Lameness in Ruminants, November 22-25, 2015, Valdivia, Chile, 2015, pp 174
Abstract

This study aims to weigh the influence of observable traits on live cattle prices, i.e., the percent impact on the final price of various physical characteristics. These characteristics are those that commonly are published in auction catalogues, as is the case of: average lot weight, lot size,...

Author(s)
Troncoso, J. L.; Engler, A.; Manriquez, P.; Valdivia, A.
Publisher
Facultad de Agronomía e Ingeniería Forestal, Pontificia Universidad Católica de Chile, Santiago, Chile
Citation
Ciencia e Investigación Agraria, 2012, 39, 1, pp 37-45
AbstractFull Text

At present, there is limited and contradictory information about the effects of the use of canola (Brassica napus) seed as supplement on the contents of conjugated linoleic acid (CLA) in milk of grazing cows. The objective of this study was to evaluate the effect of a dietary supplement with canola ...

Author(s)
Avilez Ruiz, J. P.; Fabeck, G. von; García-Gómez, F.; Alonzo, M.; Delgado Pertíñez, M.
Publisher
Spanish National Institute for Agricultural and Food Research and Technology (INIA), Madrid, Spain
Citation
Spanish Journal of Agricultural Research, 2013, 11, 3, pp 747-758
Abstract

Lameness is one of the greatest infringements of welfare in dairy cows. The objective of this study was to investigate associations between milk yield and foot lesions causing lameness in Chilean dairy cattle with the hypothesis that if we can demonstrate that lameness reduces yield, and so income, ...

Author(s)
Green, L. E.; Borkert, J.; Monti, G.; Tadich, N.
Publisher
Universities Federation for Animal Welfare (UFAW), Wheathampstead, UK
Citation
Animal Welfare, 2010, 19, 4, pp 419-427
Abstract

This study was conducted to determine the use of repeated transvaginal ultrasound-guided cumulus oocyte complex (COC) aspiration on COC recovery rate, in vitro embryo production (IVP) and subsequent pregnancy rates in Holstein Friesian (HF) and Aberdeen Angus (AA) cows (Experiment 1), and in...

Author(s)
Ratto, M. H.; Peralta, O. A.; Mogollon, G.; Strobel, P.; Correa, J.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Animal Reproduction Science, 2011, 129, 1/2, pp 1-6
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
Abstract

Pasture is a major component of the diet for dairy cows in Chile, and grain is often used as a supplement to increase milk production. The quantity of grain offered is affected by price and return to the farmer, but 6 kg/day is typical of many situations. However the benefits of feeding grain more...

Author(s)
Pulido, R. G.; Muñoz, R.; Lemarie, P.; Wittwer, F.; Orellana, P.; Waghorn, G. C.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Livestock Science, 2009, 125, 2/3, pp 109-114
Abstract

The performance of cows 0.5 and 0.75 Newzealand Friesian (0.5 Nz and 0.75 Nz), 0.5 American Holstein crossbreds (0.5 Ho), and females of local Erison Negro Chileno breed (ON), were studied in a pasture system with calving at winter ends (Chile). A total of 667 lactation records between 1993 and...

Author(s)
González, H.; García, X.; Magofke, J. C.; Cuevas, A.
Publisher
Instituto de Zootecnia, Facultad de Veterinaria, Córdoba, Spain
Citation
Archivos de Zootecnia, 2002, 51, 195, pp 303-314
Abstract

At Oromo Experimental Station, University of Chile, Xth Region, Chile (41°08′S; 73°09′W), 47 primiparous cows, 23 New Zealand Friesian (NZF) and 24 Jersey-NZF (F1), were used to estimate productivity, intake and biological efficiency, under grazing conditions. The information was obtained in 3...

Author(s)
González-Verdugo, H.; Magofke, J. C.; Mella, C.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2005, 37, 1, pp 37-47
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

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