نتایج جستجو برای: crypt depth
تعداد نتایج: 164930 فیلتر نتایج به سال:
An experiment was conducted on broiler chickens to study the effects of conjugated linoleic acid (CLA), fish oil, both at 7% of the diet, or their mixtures at 3.5% of the diet, on the performance, carcass traits and intestinal morphology of broiler chickens. The chicks fed with 7% fish oil or 7% CLA diets, were found to have an inferior weight gain in grower and finisher phases, respectively. A...
OBJECTIVE This study was to evaluate the sunflower cake and enzymatic complex fed to broilers from 22 to 42 d of age. METHODS In a completely randomized design, a total of 850 birds were allotted in a 2×5 factorial scheme (with and without enzymatic complex) and five inclusion levels (0%, 5%, 10%, 15%, 20%) of sunflower cake. There were 5 replications and 17 birds in each experimental unit. D...
Background: The African ostrich is the largest herbivorous bird in world, which has high economic value. However, brooding period of long. During this period, various organs body are not fully developed, resistance low and it easy to get sick, thus affecting growth development. Therefore, great significance enhance digestion absorption capacity chicks improve its speed shortening incubation ost...
Background & Aim: Non-steroidal anti-inflammatory drugs (NSAIDs) are commonly used in clinical medicine. The adverse effects they produce in the gastrointestinal tract however, often limit their utility. Oxidative stress has been shown to occur in the small intestine in response to the oral administration of indomethacin. In view of this, the effect of thyme essential oil, an agent with anti-o...
In present study the effect of different routes of probiotic administration on performance and small intestinal morphology of Japanese quails was studied. Total of 144 Japanese quail (Coturnix coturnix japonica) one-day old chicks were divided into 3 experimental groups after hatch including: A. control (without probiotics), B. oral group (dosed by 107 cfu/50 µl probiotics via oesophageal gava...
The present study was conducted to determine the effects of olive extract leaf and olive oil on growth performance, nutrient digestibility, carcass characteristics and intestinal morphology in Japanese quail. A total of 528 Japanese quail chicks 1-days-old were allocated to 6 treatments group with 4 replicates each containing 22 birds. This study was performed in a 2×3 factorial experiment wit...
This study was conducted to evaluate the effects of lavender (Lavandula angustifolia)extract as an alternative to flavophospholipol on performance, carcass characteristics, antioxidant status,meat quality, intestinal morphology and ileal microflora of broilers. A total of 220 day-old male broiler chicks (Ross 308) were used in a completely randomized design with five treatments each re...
A feeding trial was conducted to investigate the effects of dietary supplementations of synbiotic and probiotic on broiler performance, carcass yield, organs weights, and histomorphological measurements of small intestine. Six hundred 1-d-old broiler chicks were randomly assigned to 1 of 3 dietary treatments for 5 wk. The dietary treatments were 1) control, 2) basal diets supplemented with synb...
an experiment was conducted on broiler chickens to study the effects of conjugated linoleic acid (cla), fish oil, both at 7% of the diet, or their mixtures at 3.5% of the diet, on the performance, carcass traits and intestinal morphology of broiler chickens. the chicks fed with 7% fish oil or 7% cla diets, were found to have an inferior weight gain in grower and finisher phases, respectively. a...
In order to reduce the risks of antibiotic use in poultry diets, the use of alternative additives such as probiotic and prebiotic compounds has attracted the attention of researchers. 128 quail chicks were randomly assigned to study the effects of different levels of synbiotic additive (KidiLact®) on performance parameters, immune response and histology of small intestine in Japanese quail...
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