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Economic Botany Section

Zaidi, Mudassir [1], Shaheen, Ghazala [2].

Evaluation of two native trees of up land of Balochistan as fodder.

Two dominant tree species of upland Balochistan were evaluated seasonally for their nutritive value as forage plants. Fraxinus xanthoxyloides (G. Don) family Oleaceae and Pistachia khinjuk var. cabulica (Stocks) Rech, f. Fl. family (Anacardiaceae) were analysed for their ash, carbohydrates, proteins, crude fibre, phenols and mineral content (Ca, K, Fe, Mn, Cu, Na, Zn). These species were fed to 10 sheep as 50% of their total ration for three months, their urine and faeces samples were analysed. The results showed that the leaves of F. xanthoxylodies had high Gross Energy level (4.427Mcal/Kg DM), carbohydrates (11.231%), crude protein (10.78 % 1.5% ), crude fibre (15.352% ). Ca, (0.10%), Na (0.64 %) and Fe (0.003 %) phenols 0.27% of dry wt. The leaves of P. khinjuk had Gross Energy of 4.363Mcal/kg DM, carbohydrate maximum (10 1%), crude protein ( 7.75 1.5%), crude fibre (17.482% ), Ca (0.781%), Na ( 0.07%) and Fe (0.048%) and with high phenolic contents (1.52%). These nutritional concentrations were similar or more then the amount required for the animal nutrition as recommended by Commonwealth Agricultural Bureau (1980). P. khinjuk also had a high level of Phenols which may be a reason why it is not palatable and hence sheep do not prefer to eat it. Feeding experiments proved high palatability and digestibility of F. xanthoxyloides as the body weight of sheep fed with it was significantly increased (P<0.05) as compare to P. khinjuk. Therefore it is concluded that F. xanthoxyloides provides a good source for animal grazing .


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1 - University of Balochistan, Department of Botany, C-9 University Colony, Quetta, 83700, Pakistan
2 - University of Balochistan, Botany, Sariab Road, Quetta, 83700, Pakistan

Keywords:
dominat trees
fodder
nutritional value
medicinal value.

Presentation Type: Oral Paper
Session: 28-1
Location: 412/Hilton
Date: Tuesday, August 16th, 2005
Time: 8:30 AM
Abstract ID:406


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