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Digestibility and related nutritional data for 7 northern deer browse species






Journal of Wildlife Management 40(4): 630-638

Digestibility and related nutritional data for 7 northern deer browse species

Energy use and related data are presented for 7 northern winter foods of white-tailed deer (Odocileus virginianus). Hemlock (Tsuga canadensis), balsam fir (Abies balsamea), red maple (Acer rubrum), striped maple (A. pensylvanicum), mountain maple (A. spicatum), hobblebush (Viburnum alnifolium) and hazelnut (Corylus cornuta) were fed in mixed rations to captive deer. Species tested had gross energy digestibilities ranging from 30 (red maple) to 54% (hobblebush). The amount of digestible, metabolizable and net energy in each of the 3 maple species evaluated was very similar. Metabolizable energy ranged from 24% (1.2 kcal/g) for striped maple to 46% (2.2 kacl/g) for hobblebush. The lowest net energy was observed for striped maple (5% or 0.2 kcal/g), the highest for hobblebush (37% or 1.8 kcal/g). Crude protein was digested poorly in hemlock, balsam and red maple (-5, 11 and 1% digestible, respectively) as compared with an average value of 47% for the remaining 4 spp. The digestibilities of fat, fiber and N free extract of the 7 plant species are presented and discussed. An example of the calculation of browse requirement during a northern winter period, based on these and related data, is presented.


Accession: 005161298



Related references

Mautz, W.W.; Silver, H.; Holter, J.B.; Hayes, H.H.; Urban, W.E.J., 1976: Digestibility and related nutritional data for seven northern deer browse species. Browse was collected during November to January from hemlock (Tsuga canadensis), balsam fir (Abies balsamea), red maple (Acer rubrum), striped maple (Acer pensylvanicum), mountain maple (Acer spicatum), hobblebush (Viburnum alnifolium) and hazel (...

Blair, R.M.; Short, H.L.; Burkart, L.F.; Harrell, A.; Whelan, J.B., 1980: Seasonality of nutrient quality and digestibility of three southern deer browse species. Leaves and twigs of Cornus florida, Sassafras albidum, and Lonicera japonica from a site in Texas were analysed for dry matter, cell solubles, and 12 other components. In general, leaves had significantly higher browse value than twigs, and mainta...

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Ullrey, D.E.; Youatt, W.G.; Johnson, H.E.; Fay, L.D.; Brent, B.E.; Kemp, K.E., 1968: Digestibility of cedar and balsam fir browse for the white-tailed deer. Forty-eight pregnant white-tailed deer (Odocoileus virginianus), 1. 5 to 7. 5 years old, were used to study the digestibility of browse from northern white cedar (Thuya occidentalis) and from balsam fir (Abies balsamea). The deer were adjusted to...