Ráðunautafundur - 15.02.1987, Side 198

-190-
VII. Heimildir
A. J.F. Webster, 1979. Energy metabolism. í "The management and
diseases of sheep". British Council Special Cource, CAB,
Edinburgh, bls. 166-174.
ARC, 1980 The nutrient requirements of ruminant livestock, CAB,
Farnham Royal.
B. A. Young and J.L. Corbett, 1972. Maintenance energy requirement
of grazing sheep in relation to herbage availability. I.
Calorimetric estimates. Aust. J. Agric. Res. 23:57-76.
D.J. Minson, 1982. Effect of chemical and physical composition of
herbage eaten upon intake. I "Nutritional limits to animal
production from pastures". (Ritstj. J.B. Hacker) CAB, bls.
167-182.
Gunnar Ölafsson, 1980. Næringargildi beitargróðurs. Isl. landbún.
12 (2):127-134.
G.W. Arnold, 1981. Grazing behaviour. I "Grazing animals"
(Ritstj. F.H.W. Morley) Elsevier Scientific Publishing Co.,
bls. 79-104.
G.W. Arnold and M.L. Dudzinski, 1967a. Studies on the diet of the
grazing animal. II. The effect of physiological status in ewes
and pasture availability on herbage intake. Aust. J. Agric.
Res. 18:349-359.
G.W. Arnold and M.L. Dudzinski, 1967b. Studies on the diet of the
grazing animal. III. The effect of pasture speciés and pasture
structure on the herbage intake of sheep. Aust. J. AgrÁc. Res.
18:657-666.
J. Hodgson, 1976. The influence of grazing pressure and stocking
rate on herbage intake and animal performance. 1. "Pasture
utilization by the grazing animal". (Ritstj. J. Hodsgon og D.K.
Jackson). Occasional Symposium No. 8, , British Grassland
Society, bls. 93-103.
J. Hodgson, 1977. Factors limiting herbage intake by the grazing
animal. í "Proc. Int. Meeting of Animal Production from
Temperate Grassland" (Ritstj. Brian Gilsenan). Irish Grassl.
and Anim. Prod. Association and the Agricultural Institute,
bls. 70-75.
J. Hodgson, 1979. Utilization of grassland for sheep production.
1 "The management and diseases of sheep". British Council
Special Course, CAB, Edinburgh, bls. 307-323.
J. Hodgson, 1982a. Influence of sward characteristics on diet
selection and herbage intake by the grazing animal. I
"Nutritional limits to animal production from pastures"
(Ritstj. J.B. Hacker), CAB, bls. 153-166.