https://www.selleckchem.com/pr....oducts/pha-848125.ht
Alternative management strategies with no cows and all heifers may improve biological and economic efficiency of beef production. The All Heifer, No Cow (AHNC) beef production system involves insemination of nulliparous heifers with female sex-selected semen (FSS) to produce primarily female calves that are early weaned at 3 mo of age. Dams are finished on a high concentrate diet and harvested before 30 mo of age. The objectives of this research were to 1) build a dynamic model of an AHNC beef production system to quantify system bio

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Information on demographic and work characteristics was also collected. Content validity index, an exploratory factor analysis, and multiple regression analysis were conducted. RESULTS One emotional barrier, "negative emotional reactions" (13 items, Cronbach's α = 0.92), and three cognitive barriers, "lack of ability" (7 items, Cronbach's α = 0.85), "belief in avoidance" (5 items, Cronbach's α = 0.86), and "outcome expectancy" (4 items, Cronbach's α = 0.85) were identified. Clinical staff who had higher working stress, lower self-rated