Effect of enzymatic and chemical treatments on feather solubility and digestibility

Poultry Science

Volumn 81, Issue 1, 2002, Pages 95-98

  Kim, W K ^a   Lorenz, E S ^a   Patterson, P H ^a  

^a PENNSYLVANIA STATE UNIVERSITY   (United States)

Author keywords

Enzyme; Feather; Pepsin digestibility; Sodium hydroxide; Solubility

Indexed keywords

ANIMALIA; AVES;

ENZYME; NITROGEN; PEPSIN A; SODIUM HYDROXIDE;

ANIMAL; ANIMAL FOOD; ARTICLE; CHEMISTRY; CHICKEN; DIGESTION; DRUG EFFECT; FEATHER; FEMALE; METABOLISM; SOLUBILITY;

ANIMAL FEED; ANIMALS; CHICKENS; DIGESTION; ENZYMES; FEATHERS; FEMALE; NITROGEN; PEPSIN A; SODIUM HYDROXIDE; SOLUBILITY;

EID: 0036368313     PISSN: 00325791     EISSN: None     Source Type: Journal    
DOI: 10.1093/ps/81.1.95     Document Type: Article

References (14)

1. Association of Official Analytical Chemists, 1990. Official Methods of Analysis. 15th ed. AOAC, Washington, DC.
2. Association of Official Analytical Chemists, 1994. Official Methods of Analysis. 16th ed. AOAC, Washington, DC.
3. Baker, D. H., R. C. Blitenthal, K. P. Boebel, G. L. Czarnecki, L. L. Southern, and G. M. Willis, 1981. Protein-amino acid evaluation of steam-processed feather meal. Poultry Sci. 60:1865-1872.
4. Bielorai, R., B. Iosif, H. Neumark, and E. Alumot, 1982. Low nutritional value of feather-meal protein for chicks. J. Nutr. 112:249-254.
5. Dalve, P. G., 1994. Utilisation of waste feathers from poultry slaughter for production of a protein concentrate. Bioresource Technol. 48:265-267
6. El-Boushy, A. R. and A. F. B. Van der Poel, 1990. Feather meal - A biological waste: Its processing and utilization as a feedstuff for poultry. Biol. Wastes 32:39-74.
7. Latshaw, J. D., 1990. Quality of feather meal as affected byfeather processing conditions. Poultry Sci. 69:953-958.
8. MacAlpine, R. and C. G. Payne, 1977. Hydrolyzed feather protein as a source of amino acids for broilers. Br. Poult. Sci. 18:265-273.
9. Papadopoulos, M. C., 1984. Feather meal; evaluation of the effect of processing conditions by chemical and chick asssays. Ph.D. Thesis. Agricultural University, Wageningen, The Netherlands.
10. Papadopoulos, M. C., A. R. El-Boushy and E. H. Ketelaars, 1984. Effect of different processing conditions on amino acid digestibility of feather meal determined by chicken assay. Poultry Sci. 64:1729-1741.
11. Papadopoulos, M. C., 1985. Amino acid content and protein solubility of feather meal as affected by different processing conditions. Neth. J. Agric. Sci. 33:317-319.
12. Papadopoulos, M. C., A. El-Boushy, and Albertus E. Roodbeen, 1985. The effect of varying autoclaving conditions and added sodium hydroxide on amino acid content and nitrogen characteristics of feather meal. J. Sci. Food Agric. 36:1219-1226.
13. SAS, 1994. SAS/STAT® User's Guide: Statistics. Release 6.08. SAS Institute Inc., Cary, NC.
14. Steiner, R. J., R. O. Kellems, and D. C. Church, 1983. Feather and hair meals for ruminants. IV. Effects of chemical treatments of feathers and processing time on digestibility. J. Anim. Sci. 57:495-502.