- Bennett , D. , Axelsen , A. and Chapman , H. W. 1964 . The effect of nutritional restriction during early pregnancy on number of lambs bom . Proc. Aust. Soc. Anim. Prod. , 5 : 70 – 71 .
- CAB . 1995 . Sheep. Energy and Protein Requirements of Ruminants , 91 – 106 . Wallingford : CAB International .
- Chauncy , H. H. , Henriques , B. L. and Tanzer , J. M. 1963 . Comparative enzyme activity of saliva from sheep, hog, dog, rat and human . Arch. Oral Biol. , 8 : 615 – 627 .
- Everitt , G. C. 1966 . Maternal feed consumption and foetal growth in Merino sheep . Proc. Aust. Soc. Anim. Prod. , 6 : 91 – 101 .
- Everitt , G. C. 1967 . Residual effects of prenatal nutrition on the post-natal performance of Merino sheep . Proc. N. Z. Soc. Anim. Prod. , 27 : 52 – 68 .
- Carry , F. B. 1996 . “ Indigestion in ruminants ” . In Large Animal Internal Medicine, , 2nd edn. , Edited by: Smith , B. P. 824 – 858 . St Louis, MO : Mosby .
- INRA . 1989 . Sheep. Ruminant Nutrition. Recommended Allowances and Feed Tables , 153 – 167 . INRA. John Libbery Eurotext .
- Lewis , D. and Hill , K. J. 1983 . “ The provision of nutrients ” . In Nutritional Physiology of Farm Animals , Edited by: Rook , J. A. F. and Thomas , P. C. 3 – 40 . New York : Longman .
- Nedkvitne , J. J. 1989 . “ Fôring og stell av sau ” . In Saueboka , Edited by: Maurtvedt , A. 75 – 118 . Oslo : Landbruksforlagets trykkeri . (In Norwegian.)
- Orr , R. J. and Treacher , T. T. 1984 . The effect of concentrate level on the intake of hays by ewes in late pregnancy . Anim. Prod. , 39 : 89 – 98 .
- Orr , R. J. and Treacher , T. T. 1989 . The effect of concentrate level on the intake of grass silages by ewes in late pregnancy . Anim. Prod. , 48 : 109 – 120 .
- Orr , R. J. and Treacher , T. T. 1990 . Intakes of silages, hays and straws by ewes in mid pregnancy . Anim. Prod. , 51 : 301 – 310 .
- Orr , R. J. , Newton , J. E. and Jackson , C. A. 1983 . The intake and performance of ewes offered concentrates and grass silages in late pregnancy . Anim. Prod. , 36 : 21 – 27 .
- Peelers , R. , Kox , G. , Isterdael , J. van and Van-Isterdael , J. 1995 . Environmental and genetic influences on growth performance of lambs in different fattening systems . Small Ruminant Res. , 18 (1) : 57 – 67 .
- Peelers , R. , Kox , G. , Isterdael , J. van and Van-Isterdael , J. 1996 . Environmental and maternal effects on early postnatal growth of lambs of different genotypes . Small Ruminants Res. , 19 (1) : 45 – 53 .
- Sambrans , H. H. 1985 . “ Wool eating Sheep ” . In Mouth-based Anomalous Syndromes. Ethology of Farm Animals , Edited by: Fraser , A. K. 406 – 408 . Oxford : Elsevier .
- SAS . 1991 . SAS/STAT® User's Guide, Version , 6.04 edn. , Cary, NC : SAS Institute .
- Slyter , L. L. 1976 . Influence of acidosis on rumen function . J. Anim. Sci. , 43 : 910 – 929 .
- Soest , P. J. van . 1982 . “ Gastrointestinal fermentations Part IV ” . In Nutritional Ecology of the Ruminant , Edited by: van Soest , P. J. Vol. 476s , 152 – 177 . New York : Cornell University Press .
- Sormunen , R. C. 2001 . Comparison of hay and silage for pregnant and lactating Finnish Landrace ewes . Small Ruminant Res. , 39 : 47 – 57 .
- Wilkinson , S. C. and Chestnutt , D. M. B. 1988 . Effect of level of food intake in mid and late pregnancy in the performance of breeding ewes . Anim. Prod. , 47 : 411 – 419 .
Acta Agriculturae Scandinavica, Section A — Animal Science
Volume 52, 2002 - Issue 2