New empirical aspects of the Bowen-ratio energy balance method : a study of evaporation losses in arid regions
Factors related to dairy herds with a high and low incidence of ketosis.
Published in Acta veterinaria Scandinavica
Analyse thermomécanique des lois de comportement par thermographie infrarouge
La connaissance des phénomènes dissipatifs et non dissipatifs associés aux processus quasi-statiques de déformation, représente un atout supplémentaire important pour l'élaboration de loi thermomécanique de comportement. On décrit, ici, un dispositif expérimental, utilisant les techniques de thermographie infrarouge, et permettant d'observer les ph...
Polttoprosessin hyötysuhde- ja taselaskennan kehittäminen
Tutkimuksessa kehitettiin DIN 1942 -normin mukaista, yleisesti käytössä olevaa hyötysuhde- ja taselaskentamenetelmää. Keskeisenä tutkimuskohteena oli arinakuona- ja lentopölyhäviöiden määritys. Normin mukaisessa menetelmässä ei oteta riittävän hyvin huomioon polttoaineen epätäydellistä palamista ja sen vaikutusta eri ainevirtoihin. Kehitetyssä mene...
Systematische Analyse der Komponenten zur Energieintensität und -effizienz in der Bundesrepublik Deutschland 1970 bis 19...
This first work package deals with the de-aggregation of changes in energy consumption in the individual sectors of energy end-use and the conversion sector according to the three main spheres of influence mentioned (development of activity, structural development, and development of technology/development of behaviour). This required extensive dat...
Influence of feeding intensity on blood concentrations of glucose, ketone bodies and free fatty acids in nutritionally a...
Published in Acta veterinaria Scandinavica
Concentrations of acetoacetate, D-3-hydroxybutyrate, glucose and free fatty acids were determined in blood from 3 Jersey cows during a 5-months period. The cows were fed an identical complete feed every hour, from ad libitum intake to maintenance level, for 28 days at each of the following levels of intake: 170, 138, 102, 53 and 37 g organic matter...
Correlation between energy balance and fertility in Finnish dairy cows.
Published in Acta veterinaria Scandinavica
The effect of serum glucose, ASAT and urea on reproductive performance was studied in 45 Finnish dairy cows from 8 different herds. Blood samples were taken a month before calving as well as 2 weeks and 2 months after calving. Serum urea, ASAT and glucose were used as indicators of metabolic and energy balance. Glucose and ASAT concentrations were ...
Energy intake, energy expenditure, and body composition of poor rural Philippine women throughout the first 6 months of ...
G92-1070 Feeding Dairy Cattle for Proper Body Condition Score
This NebGuide describes feeding and management practices that allow the producer to control body condition throughout lactation and the dry period. Body condition score is a critical measure of a dairy feeding system's effectiveness. Adequate body fat reserves promote milk production, reproductive efficiency, and herd longevity. Excessively fat cow...
Estudo da partição de energia em terrenos complexos (áreas desflorestadas e florestas)
A conversão de áreas de florestas tropicais em pastagens pode levar a significativas consequências microclimáticas, fazendo-se necessário, para sua avaliação, modelar a micrometeorologia do dossel da floresta e da pastagem que substitui, considerando parametrizações que englobem adequadamente todos os processos relevantes. Assim, desenvolveu-se um ...
