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Articles by M.M. El-Monairy
Total Records ( 2 ) for M.M. El-Monairy
  Amani W. Youssef , Eman F. El-Daly , Nafisa A. Abd El-Azeem and M.M. El-Monairy
  The objective of this study was to investigate response of laying hens to added levels of sodium formate under heat stress conditions. A total number of 96 laying hen aged 53 weeks were randomly divided into four treatment groups of three replicates, 8 hens each during summer season. The first group was served as control and fed the basal diet. While, the other three groups were received the basal diet supplemented with sodium formate at levels of 0.1, 0.2 and 0.3% of diet, respectively. The study duration was 8 weeks (from 53 to 61 WOA). Productive performance, egg quality, pH level of some gastrointestinal tract (GI-tract) segments and some blood components and plasma enzymes were measured. Results showed that egg production and feed conversion ratio were significantly improved by adding sodium formate (87.97 and 2.13%, respectively) with adding, 2% sodium formate . While no significant differences in feed intake and egg weight. Adding sodium formate significantly increased shell thickness (44.3 mm), shell % (11.55%), Haugh units (87.00) also Shell weight per unit surface area (SWUSA) was 99.91 with 0.2% sodium formate. The pH values in different GI-tract segments were insignificantly decreased with supplemental all doses of sodium formate. Furthermore, dietary acidification elevated significantly the concentration of plasma calcium (ca) and phosphorus (p) than the control. A significant reduction in plasma level of total lipids and cholesterol was achieved due to dietary acidification. The liver enzymes- Aspartate aminotransferase (AST) and Alanine aminotransferase (ALT) did not significantly changed, in response to addition of acidifiers. The activation of alkaline phosphatase (ALP) was significantly decreased while Lactate Dehydrogenase (LHD) increased with dietary sodium formate supplementation. It is concluded that dietary supplementation with 0.1 or 0.2% sodium formate gave the best result for aged laying hens (53-61 week) in the present study, during the hot summer period (June to Aug.).
  A.W. Youssef , N.A. Abd El-Azeem , E.F. El-Daly and M.M. El-Monairy
  An evaluation of Distillers Dried Grains with Soluble (DDGS) as feed ingredients for broilers have been done. It is valuable source of energy, protein, water soluble vitamins and minerals in poultry diets. The present study was carried out during the summer season to study the impact of feeding graded levels of DDGS on broiler performance, hematological and histological parameters. A total number of 160-one day old, unsexed cobb broiler chicks were randomly divided into four groups. Birds of each group were subdivided into four replicates of ten birds each. The different experimental diets (Starter, grower and finisher) contain DDGS at levels of (0, 5, 10 and 15%). Diets were iso-caloric and iso-nitrogenous. Feed intake, body weight gain, feed conversion ratio, carcass characteristics were recorded. Values for pH and length of Gastrointestinal Tract (GIT), glucose concentration, hematological parameters (Hb, Ht% and H/L ratio) and histological study of small intestine, liver and pancreas were obtained. The result showed that DDGS insignificantly (p≤0.05) affected productive performance, carcass characteristic and Ht%, DDGS inclusion in the diet significantly (p≤0.05) decreased glucose concentration, H/L ratio and pH value and improved the histology of small intestine, liver and pancreas. This study concluded that the graded levels of DDGS up to 15% showed no adverse effects when used in broiler starter, grower and finisher diets on growth performance and carcass characteristics. The hematological and histological parameters were improved suggesting that DDGS can be used up to 15% in broiler diets.
 
 
 
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