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Abstract

Administration of monensin to dairy cows during the transition period may improve cow health, although this is debated. An evaluation of the effects of an intraruminal controlled-released bolus of monensin on health and milk production in transition Holstein cows was done in a Chilean dairy farm....

Author(s)
Melendez, P.; Arévalos, A.; Duchens, M.; Pinedo, P.
Publisher
Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Mexico City, Mexico
Citation
Revista Mexicana de Ciencias Pecuarias, 2019, 10, 1, pp 84-103
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

Chilean bovine dairy production needs to increase milk solid content. This study evaluates and compares genetic and economic progress of New Zealand Holstein (HoNZ) and New Zealand Jersey-HoNz crossbreed (Fx) using selection indices. The traits analysed were: milk (L) with 3% fat and 3% protein...

Author(s)
Delgadillo, J.; González, H.; Uribe, H.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2016, 48, 3, pp 261-267
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

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

The study was conducted on a farm with Holstein Friesian cows kept in complete free stall-housing in the Cudico area of Los Ríos Region of Chile. The data were milk records from the Cooperativa de Inseminación Artificial (COOPRINSEM), which consisted of 955 lactations made from 2011 to 2014. The...

Author(s)
Petres, C.; Mujica, F.; Uribe, H.
Publisher
Facultad de Ciencias Agrarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Agro Sur, 2015, 43, 1, pp 61-66
Abstract

A field trial was conducted on five farms to determine the effect of feeding distillery dried grains (DDGS) on milk production in the southern dairy region of Chile. The trial was repeated on each farm during winter (July and August; primarily silage-based rations) and spring (November and...

Author(s)
Shaver, R.; Ehrenfeld, R.; Olivares, M.; Cuellar, J.; Inostroza, F.
Publisher
Instituto de Investigaciones Agropecuarias, Chillán, Chile
Citation
Chilean Journal of Agricultural Research, 2010, 70, 2, pp 337-342
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 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

One of the most limiting and expensive nutrients for high producing dairy cows is crude protein (CP) and particularly RUP. Winter diets for dairy cattle in Southern Chile are based mainly on silages. The aim of the study was to analyze the effects of the level of RUP in diets which include high...

Author(s)
Ibarra, D.; Latrille, L.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2006, 38, 2, pp 115-121

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