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The effects of housing systems on the calcium requirement for eggshell production, eggshell quality and on the breaking strength of the hen’s tibia were evaluated. Unenriched cages (UN) (24 laying hen...
This research aimed to define the energy requirement of Dorper and Hu Hybrid F1 ewes 20 to 50 kg of body weight, furthermore to study energy requirement changes with age and evaluate the effect of age...
A 12-wk feeding trial was conducted to evaluate the essentiality of choline supplementation in diets for parrot fish. Five isonitrogenous and isocaloric diets were supplemented with 0 (as control), 50...
This study was carried out to evaluate the dietary threonine requirement by measuring the plasma free threonine and ammonia concentrations in rainbow trout, Oncorhynchus mykiss after dorsal aorta cann...
A growth trial was conducted to determine the optimal incorporation level of dietary magnesium hydrogen phosphate (MHP, MgHPO4), which was manufactured from swine manure and phosphorus (P), required b...
In harvest areas the soil preparation is occasionally necessary before reforestation including the removal, collection and transportation of stumps from the soil. Issues related to climate change and ...
This study was conducted to re-evaluate the dietary vitamin C requirement in juvenile eel, Anguilla japonica by using L-ascorbyl-2-monophosphate (AMP) as the vitamin C source. Five semi-purified exper...
In the Gaza Strip irrigation practices are only based on the farmer’s own experience, they determine when and how to irrigate crops based on the appearance of the soil and the climatic conditions. Eve...
Chilling requirement for deciduous fruits under climate change in Egypt。
This experiment was conducted to study lysine requirement in broiler breeder hens. The treatments consist of 6 levels of lysine (0.50, 0.57, 0.64, 0.71, 0.78 and 0.85%) in a completely randomized desi...
No-tillage with cover crop has great potential to improve soil quality, however, it is still not clear what no-tillage seeding technique should be used under cover crop residue mulch in upland crop pr...
The effects of two phytogenic feed additives (PFA) on growth performance, carcass parameters, nutrient utilization, and efficiency of dietary threonine utilization were investigated in male growing ch...
N-balance studies were carried out to assess the lysine requirement of fast growing chickens (Cobb 500) at different sex and age depending on crude protein deposition and efficiency of dietary lysine ...
Two experiments were conducted to determine threonine requirement for maximum performance and breast and drumstick major muscle relative weights of turkey toms raised from 8-10wk and 11-13wk of age. A...
A dose-response experiment with five lysine levels (0.65, 0.80, 0.95, 1.10, and 1.25%) was conducted to evaluate the lysine requirement of male White Pekin ducklings from 7 to 21 days of age. Two hund...

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