abstract this study was carried out to compare disinfecting effects of nanosilver with other feed disinfectants on layer hen performance, immune system, gastrointestinal microflora and intestinal morphology. total of 90 layers (lsl) were divided into five groups consisting: 1-control, 2- formalin (200 ppm), 3- formaycin (200 ppm), 4- nanosilver in drinking water (7.5 ppm) and 5-nanosilver in f...

To study the effects of terbutaline (a beta adrenergic agonist) on performance of broiler chickens, 21 d-old male and female Cobb broiler chicks (n=300) were randomly assigned to one of five dietary treatments containing 0 (control), 5, 10, 15 and 20 mg terbutaline per kg diet. The feed conversion ratio (FCR), feed intake and body weight gain were measuered after 3 weeks. At 42-d age, six males...

The present study was performed to determine the effect of short periods of starvation and re-feeding on liver index and thyroid hormones levels in Huso huso. 180 juveniles with an average initial weight of 34.58 ± 5.32 gr, treated in4 groups consisting of the control treatment (F) was fed 4 times daily to the extent of apparent satiety, SRF1 treatment with four alternating periods of two days ...

abstract: postmethod is a newly developed pedagogy which as an alternative to method rejects the notion of good or bad methods and the concept of best method that can be generalized and appropriate for all contexts. instead, it treats each context as unique and one of a kind which cant be compared with other cases. this study is a postmethod-oriented one which investigates whether and how far t...

the present study aimed at investigating the relationship between iranian efl teachers’ classroom management orientations and their teaching styles. additionally, the difference between male and female teachers’ teaching styles and classroom management orientations and their relationship with experience and age were explored. three hundred efl teachers filled in attitudes and beliefs on classro...

  The aim of this study was to survey the effects of different levels of Stevia alcoholic extract on performance and humoral immune system of broilers. Two hundred one-day chicks (Ross 308) were studied in a completely randomized design with 5 treatments, 4 replications and 10 chicks per replicate. The treatment groups received 0 (control), 0.5, 1, 1.5 and 2 mL/L of Stevia extract, in drinking ...

This experiment was conducted to investigate the effects of egg yolk and soybean oil as early feeding to broiler chicks on growth performance and intestinal morphology. A number of 525 chicks (Ross 308) were allocated to 7 treatments with 5 replicates and 15 birds in each replicate in a completely randomized design. Treatments were: control group (without early feeding), and feeding of 0.4 and ...

in new management approaches, in the organizations with inflexible structure, existing of red tapes and interruptions caused by limitations and also non-compliance with environmental changes, create demotivation among staff. with regard to the influence of job motivational potential and its relationship to the type of organizational structure( enabling and dissuasive), the goal of this research...