نتایج جستجو برای: during the birds 3
تعداد نتایج: 16559218 فیلتر نتایج به سال:
there are 61 species in 14 families of fish-eating birds in iran. the fish-eating birds of the north of iran belong to 41 species in 10 families which include 67.2 percent of total fish eating bird species and 71% of fish-eating bird’s family of iran. resident birds constitute 13% of the fisheating birds of the caspian sea coasts and the rest are migratory in autumn and winter. there exist 3 ...
fifteen broiler chickens (cobb 400) of 42 days of age weighing 1.8 to 2.0 kg were equally divided into 3 groups, each consisting of 5 birds. hepatopathy was induced by oral administration of paracetamol while nephropathy was induced by intravenous administration of uranyl nitrate. kinetic study was investigated in healthy, hepatopathic and nephropathic birds following single oral administration...
This study was conducted to determine the effect of dietary turmeric rhizome powder (TRP) as a natural antioxidant, and soybean oil, canola oil and tallow on lipid metabolism, blood metabolites, immune system, and antioxidant status of broiler chickens before (BHS, 28 d) and after exposure to heat stress (AHS, 42 d). Seven hundred and ninety two d-old male Arian broilers were randomly allotted ...
background and objectives: to determine the potential circulation of avian influenza viruses among different captive bird species, molecular surveillance was conducted at tehran zoo, saiee park and pardisan park of tehran, iran. these places are at risk for spread and transmission of influenza virus because of bird species diversity and close contact of birds with humans. materials & methods: d...
Low nutritive value and suitability of barley as a feedstuff for broilers is mainly due to its non-starch polysaccharides. An experiment was carried out to evaluate if diets high in barley alter the mechanisms responsible for the absorption of nutrients across the intestinal epithelium of broilers, using D-xylose absorption test. Thirty, 14-d old male broiler chicks (Ross 308) with similar body...
Seven hundred and twenty hatchling broilers were allotted to 12 treatment groups. Groups 1 and 2 were fasted for 48 h posthatch; groups 3 and 4 were fasted for 48 h followed by ad libitum access to a 1% glutamine (Gln) diet; groups 5 and 6 had ad libitum access to a common diet; groups 7 and 8 had access to a 1% Gln diet posthatch; groups 9 and 10 were fed regular Oasis hatchling supplement; an...
An excessively high stocking density can affect the growth and development of ducks. The optimal should change with age article presented results experiment on effect growth, viability replacement young ducks local population during separate growing at Bishkul Poultry Farm LLP in Northern Kazakhstan 2022. study was carried out ages day birth to 49 days 3 stages a transfer 22 35, respectively. b...
during 2010-2011 a faunistic survey was carried out for collection and identification of edaphic mesostigmatic mites (acari: mesostigmata) in jiroft and suburb. mites were extracted from soil samples by berlese funnel. the mites were cleared in nesbit fluid and were mounted in hoyer medium on microscopic slides. in this study 43 spices from 26 genera and 16 families were collected and identifie...
Background and Aims: Influenza A virus infects birds and some mammalian including human. H1 and H3 subtypes are circulated in both human and birds’ population. To determine the prevalence of the mentioned subtypes in birds, different captive bird species in Tehran zoo, and affiliated centers in Tehran were investigated for virus infection. Methods: In this study, Between November 2008 and...
In the present study, the wintering birds of the artificial wetlands of Yazd province in 1393, 1395 and 1396 were studied. This study is one of the first studies conducted with the aim of preventing the drying process of the wetland by emphasizing on maintaining water rights and protection of migratory birds in the artificial wetland of Yazd. Data from winter and autumn counts which were carrie...
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