scholarly journals Effect of Dietary Calcium Level and Ingredient Composition on Plasma Calcium and Shell Quality in Laying Hens

1985 ◽  
Vol 64 (8) ◽  
pp. 1499-1505 ◽  
Author(s):  
STEVEN L. BOLDEN ◽  
LEO S. JENSEN
1987 ◽  
Vol 66 (9) ◽  
pp. 1524-1530 ◽  
Author(s):  
JERRY L. SELL ◽  
SHEILA E. SCHEIDELER ◽  
BARBARA E. RAHN

1988 ◽  
Vol 68 (4) ◽  
pp. 1315-1317 ◽  
Author(s):  
JOHN D. SUMMERS ◽  
DIANE SPRATT ◽  
STEVE LEESON

White Leghorn pullets were offered a corn, soybean meal laying diet or similar diets containing 15% canola meal. These diets were fed with dietary calcium levels of 3 and 5% and two levels of supplemental phytic acid (0 and 0.2%). A significant decrease in feed intake was noted with the canola meal diets. Poorer shell quality was noted for the canola versus the soybean meal diets, the low vs. high calcium diets and the phytic acid supplemented vs. nonphytic acid supplemented diet. Key words: Canola meal, laying hens, phytic acid, calcium


1963 ◽  
Vol 22 (2) ◽  
pp. 501-505 ◽  
Author(s):  
L. A. Menahan ◽  
P. A. Knapp ◽  
W. G. Pond ◽  
J. R. Jones

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