نتایج جستجو برای: respectively heat treatments significantly p
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Because the use of phosphates has being recently diminished in meat industry due to the nutritional drawbacks of phosphates, some researchers started to evaluate sodium bicarbonate as phosphate replacer in meat products. The aim of this study was to evaluate the effect of different temperature combinations of dry air-cooking treatments (Air and Core temperatures: 160 76, 160 80, 200 76 and 200 ̊...
Royal jelly: can it reduce physiological strain of growing rabbits under Egyptian summer conditions?
Exposure of growing rabbits to heat stress during summer adversely affects their performance leading to major production losses. A total number of 48 rabbits, unsexed V-line weaned rabbits, were randomly divided into four experimental groups, temperature ranged from high at 32°C to low at 23°C. Animals of the 2nd, 3rd and 4th group were individually orally given 200, 400 or 800 mg royal jelly (...
BACKGROUND The electron transport chain, Rubisco and stomatal conductance are important in photosynthesis. Little is known about their combined responses to heat treatment at different temperatures and following recovery in grapevines (Vitis spp.) which are often grown in climates with high temperatures. METHODOLOGY/FINDINGS The electron transport function of photosystem II, the activation st...
The effect of dietary protein level and feed restriction on performance, body temperature and hematological values was evaluated, using Ross 308 broiler chicks under heat stress. For this purpose, three dietary treatments were fed to broilers during 21 to 42 days of age. Two treatments consisted of diets with protein levels recommended by NRC, 1994 and 85% of NRC recommendation and were fed ad-...
The effect of dietary protein level and feed restriction on performance, body temperature and hematological values was evaluated, using Ross 308 broiler chicks under heat stress. For this purpose, three dietary treatments were fed to broilers during 21 to 42 days of age. Two treatments consisted of diets with protein levels recommended by NRC, 1994 and 85% of NRC recommendation and were fed ad-...
An experiment was carried out to assess the effects of xylanase supplementation on the performance, net energy and gut microflora of broilers fed a wheat-based diet. Day-old male broiler chicks were allocated to two dietary treatments. Each treatment was composed of six replicate cages of seven broilers per cage. The diets were wheat-based and offered as mash. The treatments included i) basal d...
A few previous studies have shown that heat processing may increase the bioavailability of phytate-P in some foodstuffs. Therefore, two chick experiments were conducted to determine the effect of various increased heat processing treatments on bioavailability of P in DDGS. In addition, two precision-fed cecectomized rooster assays were conducted to evaluate the effects of the heat treatments on...
This study was conducted to determine the effects of heat stress on pH, lipid peroxidation, protein oxidation, and functionalities of breast meat in broilers. The experimental birds were exposed to 2 temperatures: 24 degrees C (control) and 41 degrees C (heat-stressed) for 0, 1, 2, 3, and 5 h. As compared with control, the pH determinations after slaughter for 30 min and 24 h of chilling, respe...
This experiment was conducted to compare the effect of trimethylglycine supplementation in diets with sufficient or insufficient quantities of protein on blood electrolytes and lipid concentrations in broilers subjected to heat stress condition. Ross 308 broilers were fed with four dietary treatments from 21 to 42 d of age. The treatments consisted of a diet with sufficient levels of protein (...
In this study the effects of various amounts of dietary EDTA (ethylene di amine tetra-acetic acid) supplementation on the amounts of cadmium, mercury, lead and arsenic were evaluated over a growing period of 90 days. This research was conducted according to completely randomized design with 5 treatments including 1(the control), 2, 3, 4 and 5 containing different EDTA concentration of 75, 150, ...
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