different contraceptive methods are used by breastfeeding mothers. to investigate the effects of progestogen - only contraceptives on human milk components, a non-randomized, follow-up study was carried out in iran (varamin) on 140 breastfeeding women, 51 of whom used progestogenonly contraception including progestogen-only pills (pop) or depo-medroxyprogesterone acetate (dmpa), and 89 used non...

this study was performed in order to evaluate the effects of spraying micronutrients iron, zinc, calcium on yield and yield components of seven sesame varieties on 2007 cropping season in research farm of shahed university. the experiment was performed as split-plot based on randomized complete blocks design with three replications. the main factor included feso4, znso4, cano3 and control (wate...

in the research the genetic investigation productive and reproductive traits and changes trend the traits in years, seasons and different lactation periods and genetic evaluation cows and bulls of 785 records for milk and 665 records for fat yield and reproductive information during years 1998 to 2003 of 207 dairy cows ghezlagh farm aboureyhan campus (university of tehran) studied. the least sq...

abstract in order to evaluate of yield and yield components of eight wheat cultivars against flix weed (descurainia sophia), an experiment was conducted using a factorial arrangement of treatments in a randomized complete block design with four replications during 2003-2004 growing season in varamin region. the wheat cultivars were tabasi, roshan, karaj2, azadi, niknejad, mahdavi, shiraz and pi...

abstract in order to efficacy evaluation of some new herbicides to control of weeds in corn, a set of field studies were conducted in 2007 at 4 province of iran, including tehran (varamin), khuzestan, fars, and kermansh. treatments were arranged in a rcbd design with four replications. treatments consisted of ultima (nicosulfuron+nimsulfuron), lumax (mesotrion+s-metolacholor+terbuthlazine), ami...

bovine ephemeral fever (bef) flared up in a dairy farm with 2097 animals. the disease started in september, 2006, with daily means of environmental temperature (et) and relative humidity (rh) of 23.8 ºc and 37%, respectively, and ended after 48 days with et and rh of 16.2 ºc and 68%, respectively. in this outbreak, the age of affected animals was above 10 months and the morbidity rate was 13.07...