The concepts of centralization and decentralization are important ones to consider as they ultimately affect the effectiveness of schools in educating the children of a nation. Centralization refers to the condition whereby the administrative authority for education is vested, not in the local community, but in a central body.
The normal birth weight for a Wistar rat is between 5-6 grams. Birth weight of less than 5grams can therefore be regarded as low birth weight in Wistar rats. This study; which was conducted in Bowen University, Iwo, Osun state, Nigeria, in 2013, was carried out to ascertain the effect of maternal ingestion of aspirin on the outcome of pregnancy in Wistar rats, with special reference to newborn birth weight.
Hample and Maisy are Sprague Dawley female rats, an albino breed of rats that are commonly used in research laboratories. Sprague Dawley rats were first bred by the Sprague Dawley farm in Madison, Wisconsin in 1925 through multiple crosses with a single-hooded male and six albino female rats. The rats average about 5 grams of food per day per 100 grams of body weight and about 10-12 milliliters of water per 100 grams of body weight. The typical litter size of this rat is 10.5 and their average weight is 250-300 grams for females. The average life expectancy is between 2.5 and 3.5 years. Their respiratory rate is between 75 and 115 breaths per minute. Rats can breed between the ages of 65 and 100 days in both sexes. The rats are known for their tame disposition ...