Untersuchungen zur Verwendung der Kotstickstoff-Methode für die Schätzung des energetischen Futterwertes von Weidegras und zum Nachweis der selektiven Futteraufnahme auf der Weide

Landbauforschung Volkenrode

Volumn 49, Issue 3, 1999, Pages 123-135

  Schmidt, Ludwig ^a   Weissbach, Friedrich ^a   Hoppe, Tatjana ^a   Kuhla, Siegfried ^a  

^a NONE

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0346524782     PISSN: 04586859     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (39)

1. Armstrong, R. H.; Common, T.G. and Davies, G. J. (1989): The prediction of the in vivo digestibility of the diet of sheep and cattle grazing indigenous hill plant communities by in vitro digestion, faecal nitrogen concentration or indigestible acid-detergent fiber. - Grass and Forage Sci. 44, 303-313.
2. Ausschuss für Bedarfsnormen der Gesellschaft für Ernährungsphysiologie (1991): Leitlinien für die Bestimmung der Verdaulichkeit von Rohnährstoffen an Wiederkäuem. -Anim. Physiol. a. Anim. Nutr. 65, 229-234.
3. Bartiaux-Thill, N. and Oger, R. (1986): The indirect estimation of the digestibility of herbage from Belgian permanent pasture. - Grass and Forage Sci. 41, 269-272.
4. Corbett, J. L. (1960): Faecal index techniques for estimation herbage consumption by grazing animals. - Proc. VIII. Int. Grassld. Congr., 438-442.
5. De Boever et al. in: Naumann, K. und Bassler, R. (1993): Methodenbuch III. 3. Erg., Die chemische Untersuchung von Futtermitteln. - Verlag J. Neumann -Neudann, Melsungen.
6. Greenhalgh, J. F. D. and Corbett, J. L. (1960): The indirect estimation of the digestibility of pasture herbage, I. Nitrogen and chromogen as faecal index substances. - J. Agric. Sci. 55, 371-376.
7. Greenhalgh, J. F. D., Corbett, J. L. and Mc Donald, I. (1960): The indirect estimation of the digestibility of pasture herbage, II. Regressions of digestibility on faecal nitrogen concentration; their determination in continious digestibility trials and the effect of various factors on their accuracy. - J. Agric. Sci. 55, 377-385.
8. Greenhalgh, J, F. D., Reid, G. W. and Mc Donald, I. (1966): The indirect estimation of the digestibility of pasture herbage, IV. Regressions of digestibility on faecal nitrogen concentration: effects of different fractions of the herbage upon within- and between - period regressions. - J. Agric. Sci. 66, 277-283.
9. Hobbs, N. T. (1987): Fecal indices to dietary quality : a critique. - J. Wildl. Manage. 51 (2), 317-320.
10. Homb, T. and Breirem, K. (1952): The use of fecal nitrogen as a measure of dry matter intake and of digestibility of organic matter in forage. - J. Anim. Sci. 11, 496-500.
11. Hoppe, T. (1995): Untersuchungen zur Weidewirtschaft mit Milchkühen bei Verzicht auf Stickstoffdüngung. -Landbauforschung Völkenrode, Sonderheft 161.
12. Hoppe, T., Weissbach, F., Schlichting, M. C., Schmidt, L. und Smidt, D. (1996): Milchviehweidewirtschaft bei Verzicht auf Stickstoffdüngung. - Züchtungskunde 68 (2), 131-146.
13. Hutton, J. B. and Jury, K. E. (1964): Studies of the nutritive value of New Zealand dairy pastures, III. The comparative value of various feed - faeces relationships in herbage intake studies with dairy cattle. - N. Z. J. Agric. Res. 7, 583-595.
14. Kennedy, W. K., Carter, A. H. and Lancaster, R. J. (1959): Comparison of faecal pigments and faecal nitrogen as digestibility indicators in grazing cattle studies. - N. Z. J. Agric. Res. 2, 627-637.
15. Lambourne, L. J. and Reardon, T. F. (1962): Use of seasonal regressions in measuring feed intake of grazing animals. - Nature 196, 961-962.
16. Lancaster, R. J. (1949a): Estimation of digestibility of grazed pasture from faeces nitrogen. - Nature 163, 330-331.
17. Lancaster, R. J. (1949b): The measurement of feed intake by grazing cattle and sheep, I. A method of calculating the digestibility of pasture based on the nitrogen content of faeces derived from the pasture. - N. Z. J. Sci. Techn., 31-38.
18. Lancaster, R. J. (1954): Measurement of feed intake of grazing cattle and sheep, V. Estimation of the feed to faeces ratio from the nitrogen content of the faeces of pasture fed cattle. - N. Z. J. Sci. Techn. 36, 15-20.
19. Langlands, J. P., Corbett, J. L. and Mc Donald, I. (1963): The indirect estimation of the digestibility of pasture herbage, III. Regression of digestibility on faecal nitrogen concentration: effects of species and individuality of animal and of the method of determining digestibility upon the relationships. - J. Agric. Sci. 61, 221 -226.
20. Langlands, J. P. (1967): Studies on the nutritive value of the diet selected by grazing sheep, III. A comparison of oesophageal fistula and faecal index techniques for the indirect estimation of digestibility. - Anim. Prod. 9, 325-331.
21. Langlands, J. P. (1969): Studies of the nutritive value of the diet selected by grazing sheep, V. Further studies of the relationship between digestibility estimated in vitro from oesophageal fistula samples and from faecal and dietary composition. - Anim. Prod. 11, 379-387.
22. Lukas, M., Südekum, K. H. und Susenbeth, A. (1999): Untersuchungen zur Eignung der Kotstickstoff-Methode für die Schätzung der Verdaulichkeit von Futterrationen beim Rind. - Proc. Soc. Nutr. Physiol. 8, 61.
23. Meijs, J. A. C. (1981): Herbage intake by grazing dairy cows. - Institute for Livestock feeding and Nutrition Research Hoorn, Lelystad. Centre for Agricultural Publishing and Documentation, Wageningen, 28-31.
24. Minson, D. J. and Raymond, W. F. (1958): Sources of error in the use of faecal relationships. - A. Rep. Grassld. Res. Inst Hurley 1956 - 1957, 92-96.
25. Minsen, D. J. and Kemp, C. D. (1961): Studies in the digestibility of herbage, IX. Herbage and faecal nitrogen as indicators of herbage organic matter digestibility. - J. Br. Grassld. Soc. 16, 76-79.
26. Pearce, G. R., Vercoe, J. E. and Freer, M. (1962): The establishment of faecal nitrogen - digestibility regressions for animals grazing irrigated pasture. - J. Agric. Sci. 59, 397-402.
27. Peyraud, J. L. (1998): Techniques for measuring faecal flow, digestibility and intake of herbage in grazing ruminants. - In: Proceedings of the IXth European Intake Workshop, North Wyke, 18. - 20. Nov. 1998, 39-43.
28. Raymond, W. F., Kemp, C. D., Kemp, A. W. and Harris, C. E. (1954): Studies in the digestibility of herbage, IV. The use of faecal collection and chemical analysis in pasture studies (b) faecal index methods. - J. Br. Grassld. Soc. 9, 69-81.
29. Schmidt, L. (1992): Eine Möglichkeit zur Schätzung der Verdaulichkeit von selektiv aufgenommenem Weidefutter. - AG Grünland und Futterbau in der Gesellschaft für Pflanzenbauwissenschaften, Jahrestagung 29,-31. 8. 1991, Bad Hersfeld, Referate und Poster, 91-106.
30. Schmidt, L. (1993): Die Schätzung des Futterwertes nach der Kotstickstoff-Methode (methodische Aspekte). -VDLUFA Kongressband 1993, 105. VDLUFA-Kongress, 20. - 25. 9. 1993, Hamburg, 681-684.
31. Schmidt, L. und Jentsch, W. (1994): Die Schätzung der Verdaulichkeit von Konservatfutterrationen für Rinder anhand des Stickstoffgehaltes im Rinderkot. - Schriftenreihe des Forschungsinstitutes für die Biologie landwirtschaftlicher Nutztiere (FBN), Dummerstorf, Heft 7, 179-185.
32. Schmidt, L., Weissbach, F., Hoppe, T. and Klan, A. (1999): Low-input grassland use and pasture management. - Internationales Symposium "Beiträge der Grünland - und Futterpflanzenforschung zur Entwicklung von Systemen nachhaltiger Landnutzung. - FAL Braunschweig, 6. 5. 1999, Landbauforschung Völkenrode ( in Vorbereitung).
33. Thomas, S. and Campling, R. C. (1976): Relationship between digestibility and faecal nitrogen in sheep and cows offered herbage ad libitum. - J. Br. Grassld. Soc. 31, 69-72.
34. Torell, D. T. (1954): An esophageal fistula for animal nutrition studies. - J. Anim. Sci. 13, 878-884.
35. Wallace, J. D. and van Dyne, G. M. (1970): Precision of indirect methods for estimating digestibility of forage consumed by grazing cattle. - J. Range Mangmt. 23, 424-430.
36. Wehausen, J.D. (1995): Fecal measures of diet quality in wild and domestic ruminants. - J. Wildl. Manage 59 (4), 816-823.
37. Weissbach, F., Kuhla, S., Prym, R. and Block, H. J. (1991): Estimation of nutritive value by analytical parameters. - Landbauforschung Völkenrode, Sonderheft 123, 218-234.
38. Weissbach, F., Schmidt, L. und Kuhla, S. (1996): Vereinfachtes Verfahren zur Berechnung der NEL aus der Umsetzbaren Energie. - Proc. Soc. Nutr. Physiol. 5, 117.
39. Weissbach, F., Kuhla, S., Schmidt, L. und Henkels, A. (1999): Schätzung der Verdaulichkeit und der Umsetzbaren Energie von Gras und Grasprodukten. -Proc. Soc. Nutr. Physiol. 8, 72.