Untersuchungen zum Einsatz von Erdöldestillat-Futterhefe „Fermosin“ in der Tierernährung

In a multi-generation experiment with 120 hens of the species White Leghorn per group kept in cages, the influence of 5%, 7.5% and 15% 'fermosinR' torula yeast in the ration of mixed feed on various performance parameters in the 364-day laying period was investigated under long-term toxicologic aspects. In all probability there is no indication of toxic influences. The compatibility of the biomass can be considered good provided the basic nutrition-physiologic demands are met.

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Untersuchungen zum kohlenwasserstoffgehalt im fett von mastschweinen nach verfütterung von “Fermosin”∗

Henk

Heinz

1993

Archiv für Tierernaehrung

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In 5 different pig feeding experiments with 281 pigs the effect of the SCP "Fermosin" (n-alcane grown yeast) on the content of hydrocarbons (HC) in pig fat was studied. The control groups got SCP free feed and the experimental groups different quantities of "Fermosin". At 65-75 kg and 115 kg live weight pigs were slaughtered, and fat was taken for the HC determination. With increasing "Fermosin" content in the rations the HC and aromate content in the fat increased significantly. When the experimental groups got the control ration (SCP free) in the 2. fattening period, the content of HC and aromates decreased to the values of the control animals. The HC elimination took place at a rate of 1-2% per day. For the deposition of HC from the n-alcane grown yeast into the pigs' fat the regression equation y = 0.015 x was calculated (y = g HC in animal fat; x = g absorbed HC from SCP in the feed ration). The apparent absorption of HC was on an average 60% (range from 50 to 80%).

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Untersuchungen zum Einsatz von Erdöldestillat-Futterhefe „Fermosin“ in der Tierernährung

Cited by 3 publications

References 4 publications