Effect of dietary Zingiber officinalis root powder and vitamin E–selenium on milk yield and its chemical composition in lactating Iraqi female goats

Abstract

Abstract The present study was carried out in aprivate sector farm in kerbala district(100 Km south of Baghdad ) to investigate the effect of Zingiber officinalis root powder supplements and vitamin E –selenium on milk yield and chemical composition in Iraqi lactating goats, twenty four pregnant Iraqi goats at the 2nd month of gestation, were divided into three groups of 8 animals each, The 1st group (control group C) was fed on concentration diet and ad libitum of green grass, The 2nd group (T1) was fed on similar diet and supplemented with 60 g of Zingiber officinalis root powder / kg of concentration diet, while the 3rd group (T2) was fed on similar diet and supplemented with of vitamin E and selenium( 20 IU and 2 mg per Kg. concentration diet respectively ), for 5 month experimental period, The results did revealed significant increasing in milk yield forr (T1and T2) groups as compare with C group, The solid not fat % milk protein %, lactose % percentage were significantly increased in T1 group in comparion with control group, The fat % percentage was significantly increased in T2 group as comparated with The C group.