نتایج جستجو برای: 14 and 21 days of age decreased daily weight gain and feed intake significantlyp
تعداد نتایج: 24167069 فیلتر نتایج به سال:
digestibility coefficient of whole cottonseed was determined by in vivo method and total collection feces. the whole cottonseed degradability was determined by nylon bag method. a number of 12 holstein bulls were used in a complete randomized design. the rations contained zero (control), seven, 14 and 21 percentages of whole cottonseed. during the experimental period, daily gain, dry matter int...
this study was conducted to investigate the effects of artichoke powder on performance and immune function of japanese quails poisoned with carbon tetrachloride (ccl4). one hundred meat type (1-d-old) quails were assigned randomly to 4 treatment groups (n=25). treatment groups included with the study were: 1) control group (without artichoke supplementation or ccl4 administration, 2) group with...
This experiment was conducted to determine the requirements of vitamin supplement and available phosphorus in broiler chickens from 42 to 56 days of age. In a completely randomized design, with a 3×3×3 factorial arrangement, 270 one-day-old commercial broiler chicks were divided into 27 groups (replicates) with 9 treatments, 3 replicates and 10 chicks in each group. Each of the nine diets was g...
This experiment was conducted to investigate the effect of whey via drinking water on broiler chicken performance. In a completely randomized design, whey at levels of zero, 10, 20, 40, 80, and 100% of drinking water was used for 47 days. 720 day-old broilers (Ross) were divided into 24 groups, 30 chicks per group and each experimental treatment was given to four replicates from 7-54 days of ag...
This experiment was conducted to evaluate the effects of different levels of dried lemon pulp (DLP) on performance, carcass traits, blood biochemical and immunity parameters of broilers. In this experiment 240 of broilers (Ross-308) were used in a completely randomized design with 4 treatments and 3 replicates (with 20 birds in each replicate) from 1 to 42 days. Experimental diets included: 1) ...
asymmetric membranes are widely used in many industrial membrane separation processes. the major advantage of membrane filtration over the conventional process is its ability to remove a wider spectrum of particles without using any chemicals. hollow fiber configuration offer many advantages over flat-sheet or tubular membranes. the spinning process of hollow fiber may look simple, yet it is te...
This experiment was conducted to investigate the effect of whey via drinking water on broiler chicken performance. In a completely randomized design, whey at levels of zero, 10, 20, 40, 80, and 100% of drinking water was used for 47 days. 720 day-old broilers (Ross) were divided into 24 groups, 30 chicks per group and each experimental treatment was given to four replicates from 7-54 days of ag...
This research was conducted to investigate the effect of different levels of metabolisable energy and crude protein on performance, carcass characteristics and blood parameters of Japanese quail during grower phase (14-28 d of age). Nine hundreds 14-d-old male birds were used to examine 3 levels of energy (2900, 3050 and 3200 Kcal of ME/Kg of the diet) and 3 levels of protein (21.6, 24 and 26.4...
the effects of different levels (0, 10, 20 and 30 percentage of dry matter) of apple pomace ensiled with urea were investigated on 24 ghezel male lambs in a completely randomized design with four treatments and six replicates. the average starting weight and age of the lambs were 31.27 ± 7.40 and 187 ± 37 days, respectively. after 15 days of adaptation, the lambs were individually fed with expe...
the effects of probiotic (protexin) and formic acid were studied on humoral and cellular immunity in 200 cobb broiler chicks in a completely randomized design of with 4 treatments and 5 replications (10 observations per replicate). control group (c) did not receive any other than the base treatment. the chicks in the second (p), third (f) and forth (p+f) groups were fed with feed, which contain...
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