α-Tocopherol And β-Carotene Concentrations In Tropical Grasses As Affected By Increasing Daylength

REFERENCES

• Ballet , N. , Robert , J.C. and Williams , P.E.V. 2000 . “ Vitamins in forages ” . In Forage Evaluation in Ruminant Nutrition Edited by: Givens , D.I. , Owen , E. , Axford , R.F.E. and Omed , H.M. 399 pp New York : CABI .
   Google Scholar
• Olsson , N. , Akerbert , E. and Blixt , B. 1955 . Investigations concerning formation, preservation and utilization of carotene . Acta. Agric. Scand. , 5 : 113 – 184 .
   Google Scholar
• Park , Y.M. , Anderson , M.J. , Walters , J.L. and Mahoney , A.W. 1983 . Effects of processing methods and agronomic variables on carotene contents in forages and predicting carotene in alfalfa hay with near infrared reflectance spectroscopy . J. Dairy Sci. , 66 : 235 – 345 .
   Web of Science ®Google Scholar
• Smith , H. 2000 . Phytochromes and light signal perception by plants: an emerging synthesis . Nature , 407 : 585 – 591 .
   PubMed Web of Science ®Google Scholar
• Hay , R.K.M. 1990 . The influence of photoperiod on the dry-matter production of grasses and cereals . New Phytol. , 116 : 233 – 254 .
   Web of Science ®Google Scholar
• Sinclair , T.R. , Mislevy , P. and Ray , J.D. 2001 . Short photoperiod inhibits winter growth of subtropical grasses . Planta , 213 : 488 – 491 .
   PubMed Web of Science ®Google Scholar
• Mbifo , S. , McDowell , L.R. , Batra , T.R. , Kunkle , W.E. , Wilkinson , N. and Harrison , J. 1997 . Effects of time and month of harvest on vitamin E, β-carotene, and mineral concentrations of bermudagrass . Int. J. Anim. Sci. , 12 : 53 – 56 .
   Google Scholar
• Njeru , C.A. , McDowell , L.R. , Wilkinson , N.S. , Linda , S.B. , Williams , S.N. and Lentz , E.L. 1992 . Serum α-tocopherol concentration in sheep after intramuscular injection of DL-α-tocopherol . J. Anim. Sci. , 70 : 2562 – 2567 .
   PubMed Web of Science ®Google Scholar
• 1990 . Procedure Guide , 3rd Ed. Cary, NC : Statistical Analysis System Institute, Inc. . Version 6
   Google Scholar
• McDowell , L.R. 2000 . Vitamins in Animal and Human Nutrition Ames, IA : Iowa State University Press .
   Google Scholar
• 1996 . Nutrient Requirements of Domestic Animals, Nutrient Requirements of Beef Cattle , 7th Ed. Washington, DC : National Academy of Sciences–National Research Council .
   Google Scholar
• Seshan , P.A. and Sen , K.C. 1942 . Studies on carotene in relation to animal nutrition. 3. Stability of carotene in plant material with special reference to hay making and storage . J. Agric. Sci. , 32 : 275 – 285 .
   Google Scholar