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      Pilot study for feeding preferences and grazing behavior in two breeds of sheep on a secondary succession of the Chiloé Archipelago Translated title: Estudio piloto para preferencias y comportamiento en pastoreo en dos razas ovinas sobre una sucesión secundaria del Archipiélago de Chiloé

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          Abstract

          M.A. Gallardo, R. de la Barra, and M.E. Martínez. 2014. Pilot study for feeding preferences and grazing behavior in two breeds of sheep on a secondary succession of the Chiloé Archipelago. Cien. Inv. Agr. 41(2):249-254. A pilot study was undertaken to determine the pattern of feeding preferences and grazing behavior of the Chilota breed of sheep in the Chiloé Archipelago. First, eight Chilota and eight Suffolk Down ewes were faced with different numbers of plant species (offered only for 10 min), after fasting and after grazing a calafatal, a secondary succession dominated by shrubs. The experiment was repeated four times within a period of 22 d and included a 1-month pre-experimental period. Second, six Chilota and six Suffolk Down ewes, randomly selected from the same groups, were placed to graze on a calafatal divided into three 10-by-10 m paddocks to facilitate rotation of the animals. Observations were performed for 1 minute at 1-hour intervals for 11 hours a day, over 10 consecutive days, recording the following behaviors: grazing, browsing, resting, ruminating, and grooming. Regarding the dry matter intake of each of the three plant species present in all trials (B. chilensis, G. mucronata and D. winteri), results showed D. winteri was the most consumed and B. chilensis the least. The grazing behavior showed grazing was the main activity recorded for both breeds (especially for Suffolk Down) during the morning and evening, while resting and ruminating were the main activities recorded during the warmest hours. In summary, the breeds showed similar preferences but different grazing behavior pattern on a secondary succession of the Chiloé Archipelago.

          Translated abstract

          M.A. Gallardo, R. Pulido, R. de la Barra y M.E. Martínez. 2014. Estudio piloto para preferencias y comportamiento en pastoreo en dos razas ovinas sobre una sucesión secundaria del Archipiélago de Chiloé. Cien. Inv. Agr. 41(2):249-254. Un estudio piloto fue realizado para determinar el patrón de preferencias y comportamiento en pastoreo de la raza ovina Chilota en el Archipiélago de Chiloé. Primero, ocho ovejas Chilota y ocho Suffolk Down fueron enfrentadas a diferente número de especies vegetales (no consideradas como suplemento), ofrecidas sólo por 10 min post-ayuno y post-pastoreo de un calafatal, una sucesión secundaria dominada por arbustos. El experimento fue repetido cuatro veces en un lapso de 22 d, considerando además un período pre-experimental de un mes. Posteriormente, seis Chilota y seis Suffolk (aleatoriamente seleccionadas desde los mismos grupos) fueron ubicadas para pastorear un calafatal dividido en tres potreros de 10 x 10 m para poder rotar los animales. Las observaciones fueron realizadas por 1 minuto, a intervalos de 1-hora por 11 horas diarias, durante 10 d consecutivos, registrando diferentes comportamientos, tales como: pastoreo, ramoneo, descanso, rumia, interacción y acicalamiento. Considerando la ingesta de materia seca de cada una de las tres especies presentes en todos los desafíos (B. chilensis, G. mucronata y D. winteri), los resultados mostraron que D. winteri fue la más consumida y B. chilensis, la menos consumida. El comportamiento en pastoreo mostró que el pastoreo fue la principal actividad registrada para ambas razas (especialmente en Suffolk Down) durante la mañana y la tarde, mientras descanso y rumia fueron las principales actividades durante las horas de mayor calor. En resumen, ambas razas mostraron similar patrón de preferencias, aunque diferente comportamiento en pastoreo en una sucesión secundaria de Chiloé.

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          Grazing behavior of sheep at different stocking rates in the Inner Mongolian steppe, China

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            Mechanisms linking plant species richness to foraging of a large herbivore

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              Effect of the physiological state of Criollo goats on the botanical composition of their diet in NE Mendoza, Argentina

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                Author and article information

                Journal
                ciagr
                Ciencia e investigación agraria
                Cienc. Inv. Agr.
                Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal (Santiago, , Chile )
                0718-1620
                2014
                : 41
                : 2
                : 249-254
                Affiliations
                [02] orgnameInstituto de Investigaciones Agropecuarias Chile
                [01] Valdivia orgnameUniversidad Austral de Chile orgdiv1Facultad de Ciencias Veterinarias orgdiv2Escuela de Graduados Chile
                Article
                S0718-16202014000200011 S0718-1620(14)04100200011
                10.4067/S0718-16202014000200011
                4617ab15-052d-4988-95dc-4fba07f5c8b0

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 25 May 2014
                : 12 November 2013
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 8, Pages: 6
                Product

                SciELO Chile

                Categories
                RESEARCH PAPERS

                grazing behavior,preferencias,comportamiento en pastoreo,Chilota,Calafatal,preferences

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