Metabolizable energy values for broiler chicks of eleven samples of field beans (Viciafaba L.) harvested in 1968

Edwards, David G.; Duthie, I. F.

doi:10.1017/s0021859600025612

Cited by 6 publications

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“…Blair and Bolton, 1968;Waring, 1969;Blair, Wilson and Bolton, 1970;Edwards and Duthie, 1971). Blair and Bolton, 1968;Waring, 1969;Blair, Wilson and Bolton, 1970;Edwards and Duthie, 1971).…”

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A note on the digestibility by sheep of hulls from the field bean (vicia faba l)

et al. 1973

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The digestibility of a feed containing hull material prepared mechanically from Throws MS field bean (Viciafaba L) was determined in a 12-day balance trial with sheep. The pelleted feed contained 62 % hulls and 38 % of a concentrate mixture, and was given at a maintenance level. The mean digestibility coefficients of the feed were for dry matter, 66-3; organic matter, 68-2; nitrogen, 65-7; crude fibre, 59-4; and energy, 65-5%. The coefficients for the bean hulls themselves, estimated by assuming coefficients for the concentrates, were dry matter, 59-6; organic matter, 61-0; nitrogen, 58-2; crude fibre, 60-3; and energy, 59-9%. By assuming a value of 2-515 Mcal/kg for the metabolizable energy of the concentrates, the metabolizable energy of the bean hulls was calculated to be between 2-00 and 2-10 Mcal/kg. Digestibility coefficients for the bean hulls determined in vitro were found to agree with those determined in vivo.

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“…Blair and Bolton, 1968;Waring, 1969;Blair, Wilson and Bolton, 1970;Edwards and Duthie, 1971). Blair and Bolton, 1968;Waring, 1969;Blair, Wilson and Bolton, 1970;Edwards and Duthie, 1971).…”

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A note on the digestibility by sheep of hulls from the field bean (vicia faba l)

et al. 1973

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In a previous publication (Edwards & Duthie, 1971) the metabolizable energy values for broiler chicks of 11 samples of winter-sown Throws M.S. field beans from the 1968 harvest were reported.

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“…beans and, for comparison, 6 springsown Maris Bead tic beans, again from a variety of locations and soil types in order to produce a representative cross-section of the beans available for use in animal feeds. The samples were collected in the autumn of 1969 and stored under conditions of temperature and humidity representative of practical storage conditions until July 1970.The metabolizable energy values of the bean samples were determined by the total collection method, the procedure being as described previously (Edwards & Duthie, 1971).The ' classical' metabolizable energy of the basal feed was 3-12 kcal/g and the corresponding nitrogen-corrected value was 2-95 kcal/g. The values of the test feeds and individual bean samples were calculated, and the latter were adjusted to a standard dry-matter content of 90%.…”

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A short note on the metabolizable energy values for broiler chicks of two varieties of field beans (Vicia faba L.) harvested in 1969

Edwards

Duthie

1972

J. Agric. Sci.

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In a previous publication (Edwards & Duthie, 1971) the metabolizable energy values for broiler chicks of 11 samples of winter-sown Throws M.S. field beans from the 1968 harvest were reported. The samples had been grown at different locations in England which represented a variety of soil types. The mean 'classical' and nitrogen-corrected metabolizable energy values were 2-40 ± 0-09 kcal/g and 2-26 ±0-11 kcal/g respectively, with as much as 27 % difference between the highest and lowest individual values.It was recommended that samples from a subsequent year should be examined in order to assess the variation between years. With this in mind we obtained six samples of winter-sown Throws M.S. beans and, for comparison, 6 springsown Maris Bead tic beans, again from a variety of locations and soil types in order to produce a representative cross-section of the beans available for use in animal feeds. The samples were collected in the autumn of 1969 and stored under conditions of temperature and humidity representative of practical storage conditions until July 1970.The metabolizable energy values of the bean samples were determined by the total collection method, the procedure being as described previously (Edwards & Duthie, 1971).The ' classical' metabolizable energy of the basal feed was 3-12 kcal/g and the corresponding nitrogen-corrected value was 2-95 kcal/g. The values of the test feeds and individual bean samples were calculated, and the latter were adjusted to a standard dry-matter content of 90%. These results are summarized in Table 1, together with supplementary analytical data. The mean 'classical' and nitrogen-corrected metabolizable energy values with their 95% confidence limits were thus: 2-42±0-20 kcal/g (10-14 kj/g) and 2-33± 0-18 kcal/g (9-67 kj/g) respectively for the Throws M.S. winter beans, and 2-44 ± 0-10 kcal/g (10-22 kj/ g) and 2-37+ 0-09 kcal/g (9-93 kj/g) respectively for the spring-sown Maris Bead tic beans. There was no noticeable relationship between soil type and metabolizable energy value.The mean metabolizable energy values obtained for the samples of Throws M.S. boan were very close to the 'classical' and nitrogen-corrected values of 2-40+0'09 kcal/g and 2-26 + 0-11 kcal/g respectively obtained in our previous study. While 1968 exhibited adverse harvest conditions, the better harvest conditions of 1969 were coupled with poor yields, but these different circumstances do not appear to have had a noticeable effect on the metabolizable energy content of the wintersown field bean.The comparison between the winter and springsown varieties shows very similar levels of metabolizable energy. Carpenter & Johnson (1968) produced a nitrogen-corrected value of 2-80 kcal/g for a single sample of Minor tic beans, which is rather higher than the mean value for Maris Bead tic beans obtained in this work.These results indicate that the metabolizable energy values of the Throws M.S. bean may not vary much, if at all, between years, and also that in this instance there was little difference between the ...

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Utilization of tannin-containing and tannin-free faba beans (Vicia faba) by young chicks: Effects of pelleting feeds on energy, protein and starch digestibility

Lacassagne¹,

Francesch²,

Carré³

et al. 1988

Animal Feed Science and Technology

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Metabolizable energy values for broiler chicks of eleven samples of field beans (Viciafaba L.) harvested in 1968

Cited by 6 publications

References 3 publications

A note on the digestibility by sheep of hulls from the field bean (vicia faba l)

A note on the digestibility by sheep of hulls from the field bean (vicia faba l)

A short note on the metabolizable energy values for broiler chicks of two varieties of field beans (Vicia faba L.) harvested in 1969

Utilization of tannin-containing and tannin-free faba beans (Vicia faba) by young chicks: Effects of pelleting feeds on energy, protein and starch digestibility

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