Accuracy of estimates of herbage intake of lactating cows using alkanes: Comparison of two types of capsules

Animal Feed Science and Technology

Volumn 114, Issue 1-4, 2004, Pages 241-260

  Molina, D O ^a   Matamoros, I ^b   Pell, A N ^a  

^a Department of Obstetrics Gynecology   (United States)

^b Esc Agric Panamericana Zamorano   (Honduras)

Author keywords

Acid detergent fiber; ADF; Alkanes; Controlled release capsules; CP; CRC; Crude protein; Days in milk; DIM; DM; DMI; Dry matter; Dry matter intake; Gas chromatograph; GC; Gelatin capsules; NDF; Neutral detergent fiber; REML; Restricted maximum likelihood

Indexed keywords

PANICUM; PANICUM MAXIMUM;

EID: 1842834142     PISSN: 03778401     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.anifeedsci.2003.12.001     Document Type: Article

References (32)

1. AOAC, 1997. Official Methods of Analysis, 16th Edition. Association of Official Analytical Chemists, Gaithersburg, MD.
2. Berry N.R., Scheeder M.R.L., Sutter F., Kröber T.F., Kreuzer M. The accuracy of intake estimation based on the use of alkane controlled-release capsules and faeces grab sampling in cows. Ann. Zootech. 49:2000;3-13.
3. CRIPAS-UNA, 1995. Manual de Referencia VAMP Leche 5.0. Programa para el manejo de la produccion y salud y base de datos de hatos lecheros. Escuela de Medicina Veterinaria, Universidad Nacional. Heredia, Costa Rica.
4. Dado R.G., Allen M.S. Variation in and relationships among feeding, chewing, and drinking variables for lactating dairy cows. J. Dairy. Sci. 77:1994;132-144.
5. Dicker R.W., Herd R.M., Oddy V.H. Alkanes and controlled release devices for estimating intake of ryegrass by cattle. Proc. Nutr. Soc. Aust. 20:1996;107.
6. Dillon, P.G., 1993. The use of n-alkanes as markers to determine herbage intake, botanical composition of available or consumed herbage and in studies of digesta kinetics with dairy cows. Ph.D. Thesis. National University of Ireland, Ireland.
7. Dillon, P., Stakelum, G., 1988. The use of n-alkanes and chromic oxide as markers for determining feed intake, faecal output and digestibility in dairy cows. In: Proceedings of the 12th general meeting of the European Grassland Federation, Dublin, Ireland, pp. 154-158.
8. Dillon P., Stakelum G. Herbage and dosed alkanes as a grass measurement technique for dairy cows. Irish J. Agric. Res. 28:1989;104.
9. Dove H. Using the n-alkanes of plant cuticular wax to estimate the species composition of herbage mixtures. Aust. J. Agric. Res. 43:1992;1711-1724.
10. Dove H., Mayes R.W. The use of plant wax alkanes as marker substances in studies of the nutrition of herbivores: a review. Aust. J. Agric. Res. 42:1991;913-952.
11. Estermann B.L., Wettstein H.-R., Kreuzer M. Nutrient and energy conversion of grass-fed dairy and suckler beef cattle kept indoors and on high altitude pasture. Anim. Res. 50:2001;477-493.
12. Hameleers A., Mayes R.W. The use of n-alkanes to estimate herbage intake and diet composition by dairy cows offered a perennial ryegrass/white clover mixture. Grass Forage Sci. 53:1998;164-169.
13. Hartnell G.F., Satter L.D. Extent of particulate marker (samarium, lanthanum and cerium) movement from one digesta particle to another. J. Anim. Sci. 48:1979;375-392.
14. Laredo M.A., Simpson G.D., Minson D.J., Orpin C.G. The potential for using n-alkanes in tropical forages as a marker for the determination of dry matter by grazing ruminants. J. Agric. Sci. 117:1991;355-361.
15. Licitra G., Hernandez T.M., Van Soest P.J. Standardization of procedures for nitrogen fractionation of ruminant feeds. Anim. Feed Sci. Technol. 57:1996;347-358.
16. Littell R.C., Henry P.R., Ammerman C.B. Statistical analysis of repeated measures data using SAS procedures. J. Anim. Sci. 76:1998;1216-1231.
17. Marais J.P., Figenschou D.L., Escott-Watson P.L., Webber L.N. Administration in suspension-form of n-alkane external markers for dry matter intake and diet selection studies. J. Agric. Sci. 126:1996;207-210.
18. Mayes R.W., Lamb C.S., Colgrove P.M. The use of dosed and herbage n-alkanes as markers for the determination of herbage intake. J. Agric. Sci. 107:1986;161-170.
19. Mayes, R.W., Lamb, C.S., Colgrove, P.M., 1988. Digestion and metabolism of dosed even-chain and herbage odd-chain n-alkanes in sheep. In: Proceedings of the 12th general meeting of the European Grassland Federation, Dublin, Ireland, pp. 159-163.
20. Neter, J., Kutner, M.H., Nachtsheim, C.J., Wasserman, W., 1996. Applied Linear Statistical Models, 4th Edition. McGraw-Hill, New York, NY.
21. Ohajuruka O.A., Palmquist D.L. Evaluation of n-alkanes as digesta markers in dairy cows. J. Anim. Sci. 69:1991;1726-1732.
22. Owens F.N., Hanson C.F. External and internal markers for appraising site and extent of digestion in ruminants. J. Dairy. Sci. 75:1992;2605-2617.
23. Roe, M.B., Sniffen, C.J., Chase, L.E., 1990. Techniques for measuring protein fractions in feedstuffs. In: Proceedings of the Cornell Nutrition Conference for Feed Manufacturers, Rochester, NY, 24-26 October, pp. 81-88.
24. SAS, 1998. SAS/STAT User's Guide, Version 7.0. SAS Institute Inc., Cary, NC.
25. Sirois P.K., Reuter M.J., Laughlin C.M., Lockwood P.J. A method for determining macro and micro elements in forages and feeds by inductively coupled plasma atomic emission spectrometry. The Spectroscopist. 3:1994;6-9.
26. Spormann A.M., Widdel F. Metabolism of alkylbenzenes, alkanes, and other hydrocarbons in anaerobic bacteria. Biodegradation. 11:2000;85-105.
27. Unal Y., Garnsworthy P.C. Estimation of intake and digestibility of forage-based diets in group-fed dairy cows using alkanes as markers. J. Agric. Sci. 133:1999;419-425.
28. Unal, Y., Garnsworthy, P.C., Gorton, P., 1997. The use of n-alkanes for prediction of intake in dairy cows, Proc. Br. Soc. Anim. Sci.
29. Van Soest, P.J., 1982. Nutritional Ecology of the Ruminant. O & B Books, Corvallis, OR.
30. Van Soest P.J., Robertson J.B., Lewis B.A. Methods for dietary fiber, neutral detergent fiber, and nonstarch polysaccharides in relation to animal nutrition. J. Dairy Sci. 74:1991;3583-3597.
31. Vulich S.A., O'riordan E.G., Hanrahan J.P. Use of n-alkanes for the estimation of herbage intake in sheep: accuracy and precision of the estimates. J. Agric. Sci. 116:1991;319-323.
32. Vulich S.A., Hanrahan J.P., Crowley B.A. Modification of the analytical procedures for the determination of herbage and faecal n-alkanes used in the estimation of herbage intake. J. Agric. Sci. 124:1995;71-77.