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Factors Affecting the Incidence of Angel Wing in White Roman Geese: Stocking Density and Genetic Selection
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Factors Affecting the Incidence of Angel Wing in White Roman Geese: Stocking Density and Genetic Selection
Lin, M.J.; Chang, S.C.; Lin, T.Y.; Cheng, Y.S.; Lee, Y.P.; Fan, Y.K.;
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The present study investigated stocking density and genetic lines, factors that may alter the severity and incidence of angel wing (AW), in White Roman geese. Geese (n = 384) from two genetically selected lines (normal- winged line, NL, and angel-winged line, AL, respectively) and one commercial line (CL) were raised in four pens. Following common commercial practice, low-stocking-density (LD), medium-stocking-density, and high-stocking-density treatments were respectively administered to 24, 32, and 40 geese per pen at 0 to 3 weeks () and 4 to 6 weeks () of age and to 24, 30, and 36 geese at 7 to 14 weeks () of age. The results revealed that stocking density mainly affected body weight gain in geese younger than 4 weeks, and that geese subjected to LD had a high body weight at 2 weeks of age. However, the effect of stocking density on the severity score of AW (SSAW) and incidence of AW (IAW) did not differ significantly among the treatments. Differences were observed among the genetic stocks; that is, SSAW and IAW were significantly higher in AL than in NL and CL. Genetic selection generally aggravates AW, complicating its elimination. To effectively reduce IAW, stocking density, a suspected causal factor, should be lower than that presently applied commercially.
Angel Wing;Stocking Density;Genetics;White Roman Geese;
 Cited by
Cain, J. R., J. M. Weber, T. A. Lockamy, and C. R. Crager. 1984. Grower diets and bird density effects on growth and cannibalism in ring necked pheasants. Poult. Sci. 63:450-457. crossref(new window)

Chang, Y. C., C. M. Wang, P. C. Nien, C. L. Hu, and Y. S. Jea. 2010. The effects of stocking density on the growth performance of growing geese raised in a slat floor house. J. Taiwan Livest. Res. 43:51-58.

Francis, D. W., R. H. Roberson, and L. A. Holland. 1967. Observations on "Angel wing" in White Chinese geese. Poult. Sci. 46:768-769. crossref(new window)

Grow, O. 1972. Slipped or twisted wing, in: modern waterfowl management and breeding guide. American Bantam Association, Three Rivers, MI, USA. pp. 171.

Kaszynsko, J., K. Bielinska, and K. Bielinski. 1986. Effect of stocking rate on geese rearing and fattening results. Rocz. Nauk. Zoot. 13:273-281.

Kear J. 1973. Notes on the nutrition of young waterfowl, with special reference to slipped-wing. Int. Zoo Yearb. 13:97-100. crossref(new window)

Kreeger, T. J. and M. M. Walser. 1984. Carpometacarpal deformity in giant Canada geese (Branta canadensis maxima delacour). J. Wild. Dis. 20:245-248. crossref(new window)

Kuiken, T., F. A. Leighton, G. Wobeser, and B. Wagner. 1999. Causes of morbidity and mortality and their effect on reproductive success in double-crested cormorants from Saskatchewan. J. Wild. Dis. 35:331-346. crossref(new window)

Lee, C. H. 2004. Investigating the Causes Affecting the Incidence of Angel Wings in Geese. Master thesis, University of Chung Hsing, Taichung, Taiwan. pp. 6-8.

Lin, M. J., S. C. Chang, S. R. Lee, Y. S. Jea, C. F. Chen, Y. K. Fan, and Y. S. Cheng. 2010. Selection for heavy White Roman goose line. J. Chin. Soc. Anim. Sci. 39:253-260.

Lin, M. J., S. C. Chang, Y. S. Jea, Y. S. Cheng, and Y. K. Fan. 2012. Effects of line and nutrition concentration of diet on occurrence of angel wing in White Roman geese. J. Chin. Soc. Anim. Sci. 41:187-196.

Mildred, M. and W. D. Holderread. 1981. Slipped wing. In: The Book of Geese - A Complete Guide to Raising the Home Flock, pp. 140 Oregon, Hew House Publications, Corvallis, OR, USA.

NRC (National Research Council). 1994. Nutrient Requirements of Poultry. 9th rev. edn, National Academy Press, Washington, DC, USA.

Pitman, R. L., T. B. Lisa, and A. B. Charles. 2012. Incidence of wing deformities ('Angel Wing') among Masked Boobies at Clipperton Island: life history consequences and insight into etiology. Wilson J. Ornithol. 124:597-602. crossref(new window)

Rath, N. C., G. R. Huff, W. E. Huff, and J. M. Balog. 2000. Factors regulating bone maturity and strength in poultry. Poult. Sci. 79:1024-1032. crossref(new window)

SAS Institute. 2004. SAS/STAT Guide for Personal Computers. Version 9.0.1. SAS Inst. Inc., Cary, NC, USA.

Sengul, T., A. Yildiz, and Y. Konca. 2000. Effect of stocking density on the growth performance and carcass characteristics in bronze Turkey. J. Poult. Res. 2:33-39.

Shanawany, M. M. 1988. Broiler performance under high stocking densities. Br. Poult. Sci. 29:43-52. crossref(new window)

Wang, S. D., K. C. Wu, T. S. Chiou, Z. T. Chen, and L. T. Yeh. 1996. The investigation of breeder geese's information in 1995. Taiwan Agric. 32:82-88.