This paper discusses when to start and stop breeding cows in their lactation. First, a review of the literature on the optimal voluntary waiting period (when to start breeding cows) shows that there is not much consensus on how long the economically optimal voluntary waiting period is. Secondly, the paper then describes a computer program that calculates the insemination value (IN$) for cows in...

One of the primary requirements for efficient and economically viable broodmare management is the production of a foal per year, in at least 6 years out of 7. Although this sounds relatively straightforward, the limitations of a long gestation period (mean of 335 to 345 days), a limited physiological breeding season (March to September) and, for some breeds, the extra restriction of an arbitrar...

background & aim : neonatal period is one of the most high-risk stages of human life affected by some factors associated to pre- and post-delivery stages, such as invasive procedures. anxiety is found to be one of the most common psychological disorders during prenatal period, especially the third trimester. until now, significant negative consequences of anxiety on newborn’s health are reporte...

<p>The aim of this study is to determine the level participation in pregnancy exercise mothers with children between ages 0-2 their period. The a descriptive and limited 0-2. random sampling method was used sample group consisted 213 (X<sub>age</sub> = 29.33 ± 4.78). In study, face-to-face standard questionnaire form consisting two parts were as data collection tool. There que...

Medicare eligibility for Social Security Disability Insurance beneficiaries begins no earlier than 24 months after entitlement to cash benefits. The original purposes of the 24month waiting period were to limit costs to the Medicare trust funds at a time when many workers might have other health insurance coverage and to ensure that Medicare protection is extended only to persons whose disabili...