Ninety-six mature pregnant Hereford cows were allotted to three
replications with four treatments. Pregnancy was determined by rectal
palpation prior to the initiation of the study. The cows were
artificially inseminated the previous spring, beginning the end of
May, over a period of 42 days to a single Angus sire....
Studies were conducted at the Squaw Butte Experiment Station during
two consecutive years to : (1) compare various internal indicators and
chromic oxide to estimate forage intake and fecal production, (2) compare
methods of producing slaughter weight steers using maximum quantities
of forage and minimum quantities of grain. Actual fecal...
Studies were conducted over a two year period to evaluate alternative
finishing methods for spring and fall-born beef cattle. Management
alternatives from birth to slaughter included season of calving, lactating
cow nutrition, preweaning calf nutrition, weaning age, calf and
yearling winter nutrition, range and irrigated pasture supplementation,
grazing practice, range...
Ninety-two spring-born and 76 fall-born steer and heifer calves
(Hereford and Angus x Hereford) averaging 188 and 255 kg, respectively,
were utilized in a 2x2 factorial arrangement of treatments to study
the effects of zeranol and monensin, alone and in combination, on
growth rate, feed efficiency and carcass characteristics. After...
This thesis is a discussion of the major bee diseases
found in Oregon with notes on minor ailments of bees and
on diseases not yet present followed by a history of the
introduction and spread of the more important diseases,
a history of bee legislation in Oregon and a discussion...