Effects of protection system and grazing seasons on goats’ nutrition in El Rosa, North Kordofan State, Sudan
نویسندگان
چکیده
The range grazing and distance walked for diet selection and nutritive value were studied in close and open range systems at the flowering and seed setting stages during the September and November 2009 respectively in El-khuwei locality (El Rosa). A completely randomized design was used (CRD). Sampling was done by two stage flowering and seed sating stage under protected and open range systems were selected diets and feed intake locating a 2000 x 2000 m plots. The average weights gains during the flowering and seed setting stage were 23.25 and 26.82kg respectively. Goat preference on bite counts of the different species significantly higher (P < 0.001) at flowering stage ranked leflef Luffa aegyptiaca, Aborakhus Andropogon gayanus, Bano Ergrostis tremula, Difra Echinocloa colonum, Huskneet Cenchrus biflorus and Himeira Hymerocardia. Whil Gadgad Geigeria alata, Gaw Aristida sp, Umfraredo Schoenofeldia gracilis, Fisiya Fimbristyls hispidula and browses Usher Calotropis procera least than that. A significant higher (P < 0.001) goats selective feed intake, in vitro dry matter digestibility dry matter, organic matter and crude protein higher in the protecte range at flowering stage and lowers in the open range at seed setting stage. However; highly ash contents and crude fiber in the open
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