scholarly journals Broiler Chick Growth Response to Antibiotics, 1981–1982

1984 ◽  
Vol 63 (5) ◽  
pp. 1027-1032 ◽  
Author(s):  
I.I. DAFWANG ◽  
H.R. BIRD ◽  
M.L. SUNDE
1952 ◽  
Vol 31 (4) ◽  
pp. 700-707 ◽  
Author(s):  
D.W. Bolin ◽  
Earle W. Klosterman ◽  
Kermit Schlamb ◽  
Reece L. Bryant

1991 ◽  
Vol 71 (4) ◽  
pp. 1233-1239 ◽  
Author(s):  
G. L. Campbell ◽  
D. A. Teitge ◽  
H. L. Classen

The response of broiler chicks fed rye with dietary pentosanase supplementation was examined with respect to rye variety, area of production, and maturity at harvest. There were significant differences among varieties in the absence of enzyme addition and significant differences (variety × enzyme, P < 0.01) in the magnitude of the chick growth response to dietary pentosanase (exp. 1). Kodiak and Cougar rye gave greater enzyme-induced growth response than did Gazelle rye, with Musketeer rye and an unknown sample displaying intermediate values. Experiment 2 gave similar results; both Kodiak and Cougar rye in chick diets gave a larger response to dietary pentosanase than did Musketeer rye (P > 0.05). Determination of soluble carbohydrates, as well as extract viscosity, indicated that Kodiak rye had higher extract viscosity, higher extractable pentosan content, and a lower arabinose-to-xylose ratio; however, these results were not consistent with Cougar rye. Differing production location of a single variety (Musketeer, exp. 3) or maturity at harvest (exp. 4) indicated no significant effect on the nutritive value of rye attributable to location or maturity with or without enzyme supplementation, nor was there an effect on the magnitude of enzyme response. In rye harvested at different stages of maturity there was, however, a nonsignificant linear depression in chick growth with rye harvested at higher moisture levels. Key words: Rye, pentosans, broiler chicks, pentosanase


1981 ◽  
Vol 61 (2) ◽  
pp. 511-513 ◽  
Author(s):  
E. E. GARDINER ◽  
S. DUBETZ ◽  
D. J. MAJOR

Sorghum, wheat or corn in soybean meal-based diets with four levels of supplemental methionine were compared for broiler chick growth from 0 to 28 days of age. Wheat and corn supported more rapid weight gains and lower feed-to-gain ratios than did sorghum, regardless of added methionine. A response in rate of gain and feed-to-gain ratios was obtained with the added levels of methionine with each of the three grains.


1961 ◽  
Vol 40 (3) ◽  
pp. 615-619 ◽  
Author(s):  
Kam C. Leong ◽  
Leo S. Jensen ◽  
James McGinnis

1963 ◽  
Vol 42 (3) ◽  
pp. 787-788 ◽  
Author(s):  
E.L. Wisman ◽  
C.E. Howes
Keyword(s):  

1964 ◽  
Vol 15 (1) ◽  
pp. 200 ◽  
Author(s):  
BS Sathe ◽  
RB Cumming ◽  
GL McClymont

On the basis of chick growth and efficiency of feed conversion, wide variation in the nutritional value of Australian meat meals has been observed, with all samples inferior in value to imported fish meal. No necessary relationship was observed between the crude protein and fat contents of the meals and the chick growth-promoting ability or efficiency of feed conversion. Small variations in growth response were significantly associated with the amount of ash contributed by meat meals to diets. However, ash was not the major cause of the differences between high and low quality meals. The addition of ash or ether extract from low quality meat meal to high quality meal did not indicate the presence of growth-depressing or toxic factors in these fractions. The results are interpreted as indicating that neither total protein content, ash content, or lipid content, nor ash or lipid toxic factors was the main cause of variation in the nutritional value of the meat meals studied.


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