Perfil lipídico en leche de vacas en pastoreo de gramíneas en el trópico seco colombiano
The composition of fat in bovine milk has relevance in human health, where polyunsaturated fatty acids such as conjugated linoleic acid (ALC c9 t11) have positive effects (anticarcinogenic, antidiabetogenic). There are investigations regarding the effect of bovine feeding on milk quality in temperat...
| Autores principales: | , , , |
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| Formato: | Journal Article |
| Lenguaje: | Español |
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Universidad de Costa Rica
2019
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| Acceso en línea: | https://hdl.handle.net/10568/102498 |
| _version_ | 1855533071626928128 |
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| author | Mojica Rodríguez, José Edwin Castro Rincón, Edwin Carulla-Fornaguera, Juan Evangelista Lascano Aguilar, Carlos Eduardo |
| author_browse | Carulla-Fornaguera, Juan Evangelista Castro Rincón, Edwin Lascano Aguilar, Carlos Eduardo Mojica Rodríguez, José Edwin |
| author_facet | Mojica Rodríguez, José Edwin Castro Rincón, Edwin Carulla-Fornaguera, Juan Evangelista Lascano Aguilar, Carlos Eduardo |
| author_sort | Mojica Rodríguez, José Edwin |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | The composition of fat in bovine milk has relevance in human health, where polyunsaturated fatty acids such as conjugated linoleic acid (ALC c9 t11) have positive effects (anticarcinogenic, antidiabetogenic). There are investigations regarding the effect of bovine feeding on milk quality in temperate zones (above 2200 m.a.s.l.), but few in the Colombian low tropics (below 1500 m.a.s.l.). Objetive. The objective of this work was to evaluate the effect of three grasses Mulato II, Tanzania, and Toledo on production, composition, and lipid panel in the milk of Gyr x Brown Swiss cows in the first-second-and three-third of lactation. Materials and methods. The study was conducted from May to June 2013 in the city council of San Diego, Cesar, Colombia. Two groups of nine animals were selected (three cows in each third lactation stage), and one cow was assigned to each grass in a replicated 3 x 3 Latin Square design. Results. Milk production was similar (p>0.05) in evaluated grasses and decreased (p<0.05) as the lactation advanced. The concentration of milk fat and protein was higher (p<0.05) in Tanzania and Mulato II, although in the second-third there was a higher content (p<0.05) of polyunsaturated acids, compared to Toledo. The lactation trimester did not affect (p>0.05) milk composition. There was higher fed (p<0.05) concentration of conjugated linoleic acid and polyunsaturated fatty acids in milk fat in cows fed with Tanzania and Toledo forage. Conclusion. Feeding dual-purpose cows with Tanzania and Toledo grasses could have positive effects on human health, due to the healthier lipid panel of the milk produced. |
| format | Journal Article |
| id | CGSpace102498 |
| institution | CGIAR Consortium |
| language | Español |
| publishDate | 2019 |
| publishDateRange | 2019 |
| publishDateSort | 2019 |
| publisher | Universidad de Costa Rica |
| publisherStr | Universidad de Costa Rica |
| record_format | dspace |
| spelling | CGSpace1024982025-05-28T14:52:26Z Perfil lipídico en leche de vacas en pastoreo de gramíneas en el trópico seco colombiano Lipid profile in milk of grazing cows in the colombian dry tropics Mojica Rodríguez, José Edwin Castro Rincón, Edwin Carulla-Fornaguera, Juan Evangelista Lascano Aguilar, Carlos Eduardo feed crops grasses pastoreo grazing forages milk production The composition of fat in bovine milk has relevance in human health, where polyunsaturated fatty acids such as conjugated linoleic acid (ALC c9 t11) have positive effects (anticarcinogenic, antidiabetogenic). There are investigations regarding the effect of bovine feeding on milk quality in temperate zones (above 2200 m.a.s.l.), but few in the Colombian low tropics (below 1500 m.a.s.l.). Objetive. The objective of this work was to evaluate the effect of three grasses Mulato II, Tanzania, and Toledo on production, composition, and lipid panel in the milk of Gyr x Brown Swiss cows in the first-second-and three-third of lactation. Materials and methods. The study was conducted from May to June 2013 in the city council of San Diego, Cesar, Colombia. Two groups of nine animals were selected (three cows in each third lactation stage), and one cow was assigned to each grass in a replicated 3 x 3 Latin Square design. Results. Milk production was similar (p>0.05) in evaluated grasses and decreased (p<0.05) as the lactation advanced. The concentration of milk fat and protein was higher (p<0.05) in Tanzania and Mulato II, although in the second-third there was a higher content (p<0.05) of polyunsaturated acids, compared to Toledo. The lactation trimester did not affect (p>0.05) milk composition. There was higher fed (p<0.05) concentration of conjugated linoleic acid and polyunsaturated fatty acids in milk fat in cows fed with Tanzania and Toledo forage. Conclusion. Feeding dual-purpose cows with Tanzania and Toledo grasses could have positive effects on human health, due to the healthier lipid panel of the milk produced. Introducción. La composición de la grasa en la leche bovina tiene relevancia en la salud humana, donde ácidos grasos poliinsaturados como el ácido linoleico conjugado (ALC c9 t11), tienen efectos positivos (anticarcinogénicos, antidiabetogénico). Existen investigaciones sobre efecto de la alimentación de los bovinos en la calidad de la leche en zonas templadas (por encima de 2200 msnm), pero pocas en el trópico bajo colombiano (por debajo de 1500 msnm). Objetivo. El objetivo de este trabajo fue evaluar el efecto de tres gramíneas, Mulato II, Tanzania y Toledo, sobre la producción, composición y perfil lipídico de la leche de vacas gyr x pardo suizo en el primer, segundo y tercer tercio de lactancia. Materiales y métodos. El estudio se llevó a cabo durante mayo y junio de 2013, en el municipio de San Diego, Cesar, Colombia. Se seleccionaron dos grupos de nueve animales (tres vacas en cada tercio de lactancia) y se asignó una vaca de cada tercio de lactancia a cada gramínea en un diseño de cuadrado latino 3 x 3 replicado. Resultados. La producción de leche fue similar (p>0,05) en las gramíneas evaluadas y disminuyó (p<0,05) conforme avanzó la lactancia. La concentración de grasa y proteína en la leche fue mayor (p<0,05) en Tanzania y Mulato II, aunque en el segundo tercio hubo un mayor (p<0,05) contenido de ácidos grasos poliinsaturados respectivamente, en comparación con Toledo. El tercio de lactancia no afectó (p>0,05) la composición de la leche. Se presentó una mayor (p<0,05) concentración de ácido linoleico conjugado y de ácidos poliinsaturados en la grasa de la leche en vacas alimentadas con los pastos Tanzania y Toledo. Conclusión. Alimentar vacas doble propósito con pastos Tanzania y Toledo podría tener efectos positivos en salud humana, debido al perfil lipídico más saludable de la leche producida. 2019-08 2019-08-13T14:43:58Z 2019-08-13T14:43:58Z Journal Article https://hdl.handle.net/10568/102498 es Open Access Universidad de Costa Rica Mojica-Rodríguez, José Edwin; Castro-Rincón, Edwin ; Carulla-Fornaguera, Juan Evangelista & Lascano-Aguilar, Carlos Eduardo (2019). Perfil lipídico en leche de vacas en pastoreo de gramíneas en el trópico seco colombiano. Agronomía Mesoamericana, 30(2): 497-515. |
| spellingShingle | feed crops grasses pastoreo grazing forages milk production Mojica Rodríguez, José Edwin Castro Rincón, Edwin Carulla-Fornaguera, Juan Evangelista Lascano Aguilar, Carlos Eduardo Perfil lipídico en leche de vacas en pastoreo de gramíneas en el trópico seco colombiano |
| title | Perfil lipídico en leche de vacas en pastoreo de gramíneas en el trópico seco colombiano |
| title_full | Perfil lipídico en leche de vacas en pastoreo de gramíneas en el trópico seco colombiano |
| title_fullStr | Perfil lipídico en leche de vacas en pastoreo de gramíneas en el trópico seco colombiano |
| title_full_unstemmed | Perfil lipídico en leche de vacas en pastoreo de gramíneas en el trópico seco colombiano |
| title_short | Perfil lipídico en leche de vacas en pastoreo de gramíneas en el trópico seco colombiano |
| title_sort | perfil lipidico en leche de vacas en pastoreo de gramineas en el tropico seco colombiano |
| topic | feed crops grasses pastoreo grazing forages milk production |
| url | https://hdl.handle.net/10568/102498 |
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