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[Digestibility and utilization of rations containing differently treated straw. I. Digestibility by sheep of rations containing differently treated straw].

During 63 digestibility periods of adult sheep, the digestibility of wheat and oat straw sujected to different kinds of treatment was compared. The straw was fed in the following forms: chopped, chopped and treated with 6% sodium hydroxide, pelleted without and with NPN-addition (ammonium bicarbonate and/or urea) during pelleting. Notwithstanding pressing temperatures over 90 degrees C and light moistening of the straw during pellet production, the addition of the two NPN-components did not allow to increase digestibility and energetic feed value. Two replications averaged an increase in energetic feed value by 42% due to NaOH-treatment. Energy digestibility went up by 39 to 55%, and energy concentration increased from 322 to 457 energetic feed equivalents (cattle) per kg DM. In addition, a number of rumen-physiological indices were obtained.

Animal Feed↗

On the rationality of decision-making studies: Part 2: Divergent rationalities.

A study of treatment decision making in an Anishinaabe community in Manitoba, Canada was designed to be comparable with an earlier project carried out in a Mexican town. One objective was to compare the resulting decision models. For both communities, a decision-making perspective was compatible with how individuals talked about actions taken in response to illness, and it proved to be a useful means for learning about the process of seeking care. At the same time, a decision-modeling approach is better suited to explaining treatment actions taken in the Mexican community than in the Anishinaabe community. I suggest that this finding reflects the variable potentiality, in the Anishinaabe community, for affliction and its treatment to be constructed within a cultural framework in which the underlying assumptions differ from those implicit in studies of decision modeling.

Anthropology↗