Unidentified chick growth factors in fermentation by‐products

Wakelam, J. A.; Jaffé, W. P.

doi:10.1002/jsfa.2740120413

Cited by 7 publications

(1 citation statement)

References 14 publications

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“…Bearse et al (1) found dried stillage in the form of a commercial product, V acatone 5 , to be a good source of riboflavin for chicks when included at 2.5% of the ration. Wakelam and Jeffe (8) reported unidentified growth factor activity for chicks in a byproduct of industrial alcohol production by yeast fermentation ofblackstrap molasses. However, no reports have been found concerning the use of stillage at high levels as a major source of nutrients.…”

Section: Introductionmentioning

confidence: 99%

Dried Rum Distillery Stillage in Laying Rations

Díaz-Medina¹,

Randel²

1969

JAUPR

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Rations with 0 to 30% dried cane molasses stillage, added to a commercial layer feed were compared in two experiments using individually caged White Leghorn hens. Rations were made isonitrogenous by adding fishmeal, but differences in caloric value and content of other specific nutrients, due to stillage and fishmeal substitution, were not compensated. In experiment I, the control, the commercial ration, exceeded the 30% stillage ration (P < .01) in laying frequency (81.0 vs. 58.1%), (P < .05) weight per egg (62.3 vs . 56.5 g), and (P < .01) g of feed per g of egg (2.17 vs. 3.86). The control also exceeded the 20% stillage ration (P < .01) in laying frequency (68.6%), and (P < .05) in feed conversion (3.10). The 5 and 10% stillage rations did not differ significantly from the control. In experiment II, which did not include a zero-stillage ration, the laying frequencies did not differ significantly. Weight per egg was higher (P < .05) with the 15 and 17.5 stillage rations (63.0 and 63.2 g) than with the 20% (59.9 g). Feed conversion was more efficient (P < .05) with the 10% ration (2.58) than with the 20% (3.13). Feed per gram of egg increased by .048 g for each additional 1% of stillage in the ration, making such addition worthless. Treatments did not affect significantly feed intake or liveweight gain. Rations with more than 10% stillage caused progressively more watery and black feces, which stained both hens and eggs. The 30% stillage ration became a sticky mass when exposed to air for several hours. Dried stillage is well tolerated by laying hens, and perhaps with compensation for caloric dilution by addition of fat, it may be used efficiently in layer rations at levels somewhat below 20%.

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Section: Introductionmentioning

confidence: 99%

Dried Rum Distillery Stillage in Laying Rations

Díaz-Medina¹,

Randel²

1969

JAUPR

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Evaluation of Scotch whisky distiller's feeds in poultry rations

1964

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Scotch distiller's feeds, by chemical and vitamin analyses, are generally similar to the feeds recovered by the U.S. grain distilling industry. Both Scotch and bourbon distiller's feeds gave equal or better growth as replacements for brewer's yeast, dried skim milk and fish meal in a practical broiler diet. Evidence for the presence of one or more unidentified growth factors in distiller's dried grains, distiller's dried grains with solubles and distiller's dried solubles from both Scotch and bourbon production was obtained by use of a semipurified ration.

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The Utilization of Food Industries Wastes

Ben-Gera

Kramer

1969

Advances in Food Research

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Unidentified chick growth factors in fermentation by‐products

Cited by 7 publications

References 14 publications

Dried Rum Distillery Stillage in Laying Rations

Dried Rum Distillery Stillage in Laying Rations

Evaluation of Scotch whisky distiller's feeds in poultry rations

The Utilization of Food Industries Wastes

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