Abstract
Sixteen Damascus does were used to study the effect of supplementation sodium bicarbonate on milk yield and composition and some blood parameters of Damascus goats. The does were divided into four equal groups (4does for each group), to receive one of four levels of NaHco3 namely 0, 0.75, 1.25 and 1.75 kg /100kg of concentrate which followed ad libitum to all does and hay were restricted about 20% of concentrate. The experimental period was divided to tow stages, The first 3 weeks was adaptation period and the last tow weeks as experimental period. Rough and concentrate intake and daily milk were recorded daily and milk samples for each does were taken 7 times throughout the experimental stage for chemical analysis.
Blood samples were taken in the last day of the experiment. The results indicated significant increases in milk production and fat corrected milk (FCM) with the 1.25 kg of bicarbonates' level. The fat percent was increase with the increasing of bicarbonate to 1.25 kg level. But the solid not fat (SNF) and blood parameters did not affect by bicarbonate addition.
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