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Articles by H. Metwally
Total Records ( 3 ) for H. Metwally
  A.M. El-Waziry , F. AlKoaik , A.I. Khalil , H. Metwally and M.A. Al-Mahasneh
  This study was conducted to evaluate of date palm leaves (Phoenix dactylifera L.) silage or dry as alternative for ruminants using in vitro gas production technique. Rumen liquor was obtained from four Naimey sheep fed on barely and alfalfa hay (slaughter house). The mixture of rumen fluid with buffer 1: 2 v/v, 30 mL were placed into each syringe, containing the samples. The incubation procedure was repeated three times. The gas production was recorded after 3, 6, 9, 12, 24, 48 and 72 h of incubation. Potential Degradability (a+b) and gas production rate (c) were measured. Metabolizable Energy (ME), Net Energy (NE), Organic Matter Digestibility (OMD) and Microbial Protein (MP) were also determined. Crude protein in date palm leaves silage was higher than that in dry form in date palm leaves, the values were 5.80 and 4.83%, respectively. Crude fiber was 34.92 and 32.23% for dry and silage of date palm leaves, respectively. There was no difference in pH between date palm leaves in both forms (dry and silage) and the values were 6.22 and 6.62 for dry date palm leaves and date palm leaves silage, respectively. The present study conclude that date palm leaves could be suitable for ruminants as a source of fiber which used as an energy source for host animal and microbes in the rumen. It can be used in dry form to provide ensiling time as alternative feeds for ruminants.
  A.M. El-Waziry , F. AlKoaik , A.I. Khalil , H. Metwally and M.A. Al-Mahasneh
  This study was conducted to evaluate of tomato wastes (fresh or silage), cucumber wastes (fresh or silage) as alternative feeds for ruminants using in vitro gas production technique. Rumen liquor was obtained from four Naimey sheep fed on barely and alfalfa hay (slaughter house). The mixtures of rumen fluid with buffer 1: 2 v/v, 30 mL were placed into each syringe, containing the samples. The incubation procedure was repeated three times. The gas production was recorded after 3, 6, 9, 12, 24, 48 and 72 h of incubation. Potential degradability (a+b) and gas production rate (c) were measured. Metabolizable Energy (ME), Net Energy (NE), Organic Matter Digestibility (OMD) and Microbial Protein (MP) were also estimated. Tomato silage had the highest crude protein followed by tomato fresh, cucumber fresh and cucumber silage. There were no significant differences (p>0.05) among forms of wastes in potential degradability (a+b) except cucumber silage had the lowest a+b. The OMD was highest in tomato fresh and lowest in cucumber silage. There were no significant differences between tomato fresh, tomato silage and cucumber fresh but the lowest value of ME recorded with cucumber silage. There were no significant differences (p>0.05) among four forms in NE except in cucumber silage. The present study suggest that tomato waste could be used in the fresh form as alternative feeds for ruminants followed by tomato silage, cucumber fresh and cucumber silage.
  A.M. El-Waziry , A.N. Al-Owaimer , S. Basmaeil , H. Metwally and G.M. Suliman
  The present study was conducted to investigate the carcass characteristics and meat quality in four Saudi camel breeds. Four young male camel breeds were used (Majaheem, Suffr, Sho’l and Wodoh) 6-9 months old with average weight 133.83±2.83 kg. Animals were group fed of three animals in four replicates for each breed. A balanced energy/protein ration was used to ensure that animals get their nutrient requirements using ad lib twice feeding system. When animals slaughtered, carcass characteristics were measured to evaluate meat quality. The results obtained from growth trial indicated that the slaughter weight of animals after 204 days was 292.33±6.65, 278.17±11.36, 284.35±21.89 and 270.35±10.69 kg for Majaheem, Wodoh, Suffr and Sho’l, respectively. At slaughter, the hot carcass weight was 176.38, 164.78, 170.21 and 164.9 kg for Majaheem, Wodoh, Suffr and Sho’l, respectively. Dressing percentage was 59.37, 57.88, 58.76 and 60.00% for Majaheem, Wodoh, Suffr and Sho’l, respectively. There were no any significant differences between breeds in most parts of the carcass muscle area especially color of Longissimus dorsi muscle, shear force and chemical analysis of meat.
 
 
 
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