scholarly journals Growth Performance of Single Comb White Leghorn Chicks Fed Diets Containing Blood Meal Supplemented with Isoleucine

2008 ◽  
Vol 45 (1) ◽  
pp. 31-38 ◽  
Author(s):  
James Tyus II ◽  
Samuel N. Nahashon ◽  
Nathaniel Adefope ◽  
Darren Wright
Keyword(s):  
Growth Performance ◽  
Blood Meal ◽  
White Leghorn ◽  
Single Comb

scholarly journals Production Performance of Single Comb White Leghorn Chickens Fed Growing Diets Containing Blood Meal and Supplemental Isoleucine

2009 ◽  
Vol 46 (4) ◽  
pp. 313-321
Author(s):  
James Tyus, II ◽  
Samuel N. Nahashon ◽  
Nathaniel Adefope ◽  
Darren Wright
Keyword(s):  
Blood Meal ◽  
Production Performance ◽  
White Leghorn ◽  
Single Comb

scholarly journals Quantitative and Qualitative Protein Changes in the Developing Single Comb White Leghorn Chicken Embryo

1972 ◽  
Vol 51 (1) ◽  
pp. 313-320 ◽  
Author(s):  
J.A. Asmar ◽  
P.L. Pellett ◽  
Nur Hariri ◽  
M.D. Hariri
Keyword(s):  
Chicken Embryo ◽  
White Leghorn ◽  
White Leghorn Chicken ◽  
Single Comb

The inheritance of shank colour in single comb White Leghorn and Australorp fowls

1951 ◽  
Vol 2 (4) ◽  
pp. 494
Author(s):  
F Skaller ◽  
GW Grigg
Keyword(s):  
White Leghorn ◽  
Genetical Analysis ◽  
Different Types ◽  
White Leghorns ◽  
Single Comb ◽  
Mode Of Inheritance

Evidence has been presented in the literature on the mode of inheritance of shank colour in various breeds of chickens, but little has hitherto been known about the same aspect in an Australian breed, the Black Australorp. Observations on the incidence of shank colour in different types of crosses between yellow-shanked White Leghorns and black-shanked Australorps are reported in this paper. According to the observations made by other workers on White Leghorn and other breeds, a hypothesis is advanced regarding the genes involved in determining shank colour in the White Leghorn and Australorp. A genetical analysis of the observations made by the authors on 847 single crosses, 71 backcrosses, and 31 zig-zag crosses is presented and shows close statistical agreement with the hypothesis. A genetical formula, including four autosomal and two sex-linked genes, is suggested which would explain the mode of inheritance of shank colour in White Leghorns and Australorps.

INFLUENCE OF FABABEAN FRACTIONS ON EGG WEIGHT AMONG LAYING HENS FED TEST DIETS FOR A SHORT TIME PERIOD

1981 ◽  
Vol 61 (3) ◽  
pp. 751-755 ◽  
Author(s):  
G. OLABORO ◽  
L. D. CAMPBELL ◽  
R. R. MARQUARDT
Keyword(s):  
Extraction Method ◽  
Laying Hens ◽  
Short Time Period ◽  
White Leghorn ◽  
Short Term ◽  
Egg Weight ◽  
Time Period ◽  
Bioassay Test ◽  
Short Time ◽  
Single Comb

A short-term bioassay test using Single Comb White Leghorn (SCWL) laying hens was developed to study various fractions of fababeans, to determine the location of the egg-weight-depressing factor (EWDF), and to determine the effect of heat treatment on EWDF activity. A second objective of the research was to develop an extraction method to facilitate studies on identification and mode of action of the factor(s). The 14-day period proved useful in confirming that EWDF activity was concentrated in the cotyledon portion of fababean seeds and associated with the protein rather than the starch component. Ethanol-water extraction was effective in concentrating the factor.

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