Eduardo Daniel Ramírez Ramírez, Ethel García-y-González, Félix Jesús Rodríguez Ramírez, Jesus Jahir Nava Beltrán, Edgar Valencia Franco, Pedro Enrique Hernández Ruiz, José Ponce Covarrubias
En el estudio se evaluó la conducta ingestiva de corderos de pelo finalizados en corral alimentados con rastrojo de hoja de mango. Doce corderos de pelo fueron divididos en dos grupos, el G1 (6 corderos) dieta basal + 20 % de rastrojo de maíz y el G2 (6 corderos) dieta basal + 20 % de rastrojo de hoja seca de mango molida. El periodo de alimentación duró 40 días y cada tercer día se midió la conducta de alimentación por 8 horas continuas: corderos alimentándose, bebiendo, buscan agua, echados, ociosos, rumiando (parados o echados), orinando, defecando (parados o echados), acicalamiento individual, acicalamiento a un compañero y conductas agonistas, así como, el consumo y rechazo de agua. Los datos fueron analizados con el programa estadístico SAS (2021), utilizando un modelo general lineal y se compararon las medias con la prueba de Tukey. Durante el experimento los corderos del G1 tuvieron mayor frecuencia alimentándose y rumiando (echados o parados) que los corderos del G2 (P<0.001). En cambio, los corderos del G2 tuvieron mayor frecuencia echados, ociosos y conductas agonistas que los corderos del G1 (P<0.001). Por otro lado, los corderos del G1 tuvieron mayor consumo de agua durante el experimento que los corderos del G2 (P<0.01). Se concluye que los corderos alimentados con rastrojo de maíz tuvieron mayor frecuencia de alimentación, rumia y consumo de agua.
In the study, the ingestive behavior of hair lambs finished in pens fed with mango leaf stubble was evaluated. Twelve hair lambs were divided into two groups, G1 (6 lambs) basal diet + 20 % corn stubble and G2 (6 lambs) basal diet + 20 % ground mango dry leaf stubble. The feeding period lasted 40 days and every third day the feeding behavior was measured for 8 continuous hours: lambs feeding, drinking, seeking water, lying down, idle, ruminating, (standing or lying down), urinating, defecating, defecating standing, defecating lying down, individual grooming, grooming a partner and agonistic behaviors, as well as the consumption and rejection of water. The data were analyzed with the statistical program SAS (2021), using a general linear model and the means were compared with the Tukey test. During the experiment, G1 lambs had a higher frequency of feeding and ruminating (lying down or standing) than G2 lambs (P<0.001). In contrast, G2 lambs had a higher frequency of lying down, idleness, and agonistic behaviors than G1 lambs (P<0.001). On the other hand, G1 lambs had higher water consumption during the experiment than G2 lambs (P<0.01). It is concluded that the lambs fed with corn stubble had a higher frequency of feeding, rumination and water consumption.
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