Views on nutrition were influenced by schools of thought such as humoral theory.
In many populations the amount of variation attributable to nutrition is shrinking.
Improved hygiene and better nutrition were factors that contributed to improved health.
However, the decrease in individual nutrition was accompanied by an increase in population.
Those that involve chronic inflammation or interfere with nutrition have the strongest effect.
They have small, unspecialized stomachs by ruminant standards, and high nutrition requirements.
Two fundamental preventive programs are maintaining good nutrition and reducing stress in the sheep.
In 1970–1980s BP diversified into coal, minerals and nutrition businesses which all were divested later.
Giant kelp forests surround the islands and act as a source of nutrition and protection for other animals.
Farrowing occurs between March and May, with litter sizes depending on the age and nutrition of the mother.
The mammary glands of mammals are specialized to produce milk, the primary source of nutrition for newborns.
In addition to their providing the nutrition to plants, excess fertilizers can be poisonous to the same plant.
Differences in female and male coat color may indicate nutrition and hormone levels, important in mate selection.
Facultative mixotrophs, in which autotrophy or heterotrophy is sufficient for nutrition, are classified as amphitrophic.
Gene expressions are being used more often to detect the physiological responses to nutrition, as well as other stressors.
Rotation of pasturage is a modern technique for improving nutrition and health while avoiding environmental damage to the land.
The modern science of plant nutrition started in the 19th century and the work of German chemist Justus von Liebig, among others.
This remains true in the Roman Military as the soldiers required appropriate nutrition in order to function at high activity levels.
Sea urchins are some of the favorite foods of sea otters and California sheephead, and are the main source of nutrition for wolf eels.
The exact composition of the matrix may change over time and with nutrition, with the ratio of calcium to phosphate varying between 1.