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Pasture Production and Sheep Behavior in Mixed or Adjacent Monocultures Swards in Different Seasons of the Year

Journal of Agricultural Science and Technology(A) 2018年第6期8卷 370-376页

作者： ingrid merchant Jaime Jesús Solano Reyes Vázquez Virginio Aguirre JoséHerrera-Haro Agustín Orihuela Faculty of Agricultural Sciences Autonomous University of the State of MorelosCuernavacaMorelos 62210Mexico Bachelors Center of Agriculture Technology No.154 Huitzilac General Directorate of Agricultural Technology EducationMorelos 62510Mexico Ministry of Agriculture LivestockRural DevelopmentFisheries and FoodPostgraduate CollegeMontecillos 56230Mexico

Traditionally,forage is grown in mixed(Mi)or monoculture(Mo)***,there is currently no evaluation of the advantages of these production systems under tropical *** aim of this study was to evaluate forage production and animal behavior in Mi and Mo pastures containing white clover(Trifolium repens L.),African star(Cynodon nlemfuensis Vanderyst)and Taiwan Napier(Pennisetum purpureum Schumach),using a completely randomized design with two treatments(Mo and Mi)and three repetitions during the four seasons of the *** each repetition and season,three sheep were evaluated for 8 h/d during three consecutive *** forage produced in Mo and Mi pastures was similar(p>0.05)during the four seasons of the *** displayed higher(p<0.01)average daily weight gains(ADG)when grazed on Mi than Mo pastures,particularly during summer,autumn and winter,seasons that corresponded to the higher dry matter intake(DMI)(p<0.05),even though sheep spent more time(p<0.01)grazing on Mo pastures,when compared with *** was concluded that there is no advantage in forage production when associations of white clover and two tropical grasses are grown in Mo or Mi ***,heavier sheep are obtained from the later as a result of an increase in forage consumption.

关键词： Trifolium repens Cynodon nlemfuensis Pennisetum purpureum grazing behavior pasture

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