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Abstract

The objective of this study was to compare three different dairy production systems in Los Ríos District, Chile, with regards to milk fatty acids profile. Nine representative farms were selected from a survey and classified into three systems: grazing (GS), mixed (MX) and total mixed ration (TMR)....

Author(s)
Morales, R.; Lanuza, F.; Subiabre, I.; Carvajal, A. M.; Canto, F.; Ungerfeld, E. M.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2015, 47, 3, pp 281-292
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
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 objective of the study was to assess the effects of summer weather conditions on animal performance and behaviour in southern Chile. Data of milk yield, animal activity, tympanic temperatures (TT; n=15), and three comfort thermal indices were collected in La Araucanía District. Time of day and...

Author(s)
Jara, I. E.; Keim, J. P.; Arias, R. A.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2016, 48, 1, pp 113-118
Abstract

In this study, different types of dairy management systems for milk production (SP) in Southern Chile were determined and characterised, relating management variables to bacterial count in raw milk. Qualitative information on several management variables was utilised for evaluation. A survey was...

Author(s)
Carrillo, B. L.; Pinargote, C.; Brito, C.; González, J.; Moreira, V. H.; Báez, A.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2014, 46, 2, pp 207-216
AbstractFull Text

The fullness of milk recording objectives in dairy cattle depends on the recording efficiency of a given country, which must guarantee genealogy by breed and consistent production data. This work describes Chilean milk recording systems, gives a brief historical description and compares them with...

Author(s)
Ferreira, O.; Mujica, F.; Uribe, H.; Lanuza, F.; Quinteros, G.; Concha, C.
Publisher
Facultad de Ciencias Agrarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Agro Sur, 2010, 38, 3, pp 178-194
Abstract

The productive performance of high-yielding Holstein-Friesian cows and the non-genetic effects of year and season of calving, cow age and dry period length were studied in cattle under permanent confinement (PC) and pasture-based (PB) systems in 2 farms of Region X of Chile. The analysed data were...

Author(s)
Davis M., P.; Magofke S., J. C.; García F., X.; Gana V., E.; González V., H.
Publisher
Facultad de Ciencias Agronómicas, Universidad de Chile, Santiago, Chile
Citation
Avances en Producción Animal, 2006, 31, 1/2, pp 65-88
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
AbstractFull Text

In Chile, the genetic parameters of dairy cow body weight have not been estimated due to lack of data. The objective of this study was to determine variance components of milk yield traits and postpartum body weight. Data were obtained from a dairy research farm in southern Chile. A multi-trait...

Author(s)
Uribe, H.; González, H.
Publisher
Ediciones Universidad de Concepción, Chillán, Chile
Citation
Chilean Journal of Agricultural & Animal Sciences, ex Agro-Ciencia, 2018, 34, 3, pp 266-274
Abstract

Meteorological data from December to January of the years 1999 to 2007 from weather stations located in 4 localities in Chile (Curicó, Chillán, Temuco and Osorno) were used to calculate the adjusted temperature-humidity index (THIadj-max). Climate variables used to calculate the index were: wind...

Author(s)
Arias, R. A.; Mader, T. L.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2010, 42, 1, pp 33-39

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