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Articles by Azmi D. Hawari
Total Records ( 4 ) for Azmi D. Hawari
  Azmi D. Hawari and Fawzi Al-Dabbas
  The primary objective of this study was to determine the aetiology of bovine mastitis in ten herds of Holstein Friesian cow in Jordan, the prevalence of mastitis pathogens in dairy cows and their resistance to selected antimicrobial agents. Milk samples were collected from 220 lactating cows to determine the clinical and subclinical mastitis by white side test and confirmed by cultural tests. It was found that 138 quarters 15.7% had been diagnosed as clinical mastitis with definite gross pathological lesions and change in udder secretion, in addition to that 276 quarters 31.4% showed subclinical mastitis. The incidence of mastitis was found to be increased in older cows. Staphylococcus aurous was considered to be the most common cause of both clinical and subclinical mastitis and followed by coli forms, streptococcus spp., corynebacterium spp., proteus spp. and pseudomonas spp. Sensitivity tests was applied to different isolated strains using tertracycline, ampicillin, neomycin, erythromycin, penicillin G and sulphamethoxazol trimethoprim.
  Azmi D. Hawari and Dhia S. Hassawi
  This study was conducted to establish data on mastitis in she-camels in Jordan. Milk samples were collected from 90 dromedary camels in south province of Jordan. California Mastitis Test (CMT) gave results with 70 milk samples; 42 samples (60%) showed positive CMT. Infection with some bacterial species was associated with positive CMT. About 21% of the camels revealed clinical signs of mastitis. The highest percentage of bacterial count, which range from 3.0x102 to <3.0x103 cfu mL-1, was founded in the milk samples. The most predominant bacterial isolates were Micrococcus spp., Staphylococcus aureus, Streptococcus spp. and Corynebacterium spp. Gentamycin, Ampicillin and Tetracycline were the most effective antimicrobial agents against the bacterial isolates.
  Abdullah Y. Rewashdeh , Jafar M. El-Qudah , Hanee Al-Dmoor , Maisa M. Al-Qudah , Amer M. Mamkagh , Khaled A. Tarawneh , Azmi D. Hawari , Basem F. Dababneh , Alaa A. Al-Bakheit and Moawya A. Haddad
  To study the effects of dietary iron source (basal diet-FeSO4.7H2O, liver, lentil, spinach, liver + lentil, liver+spinach and lentil+spinach) on iron bioavailability, fifty-six Albino Sprague Dawley derived male 21 days old rats were fed on iron-deficient diet (7.8 mg Fe kg-1 diet) and the mentioned seven iron containing diets (40 mg Fe kg-1 diet) for 10 days. Rats fed liver diet showed higher iron apparent absorption (52.1%), hemoglobin (Hb) gain (0.94 g/100 mL), Hb-iron gain (1.2 mg), Hb-regeneration efficiency (HRE%) (50.8%), relative efficiency of HRE% (106.5%), packed cell volume gain (2.22%) and mean corpuscular hemoglobin concentration (0.64 g dL-1). Liver resulted in an increase in these parameters when mixed with lentil and spinach diets. However, rats fed iron free diet showed the higher dry matter absorption.
  Fawzi M. AL-Dabbas and Azmi D. Hawari
  The aim of this study was to evaluate the effect of feeding a dry fat source to Shami does on their milk production and composition, body weight change, weaning weight and average daily gain of their suckling kids. For this purpose we used thirty two multiparous Shami does weighing (47.43±1.38 kg) and randomly assigned into four dietary treatments in a Completely Randomized Design (CRD) set. Does were housed with their suckling kids and fed one of four isonitrogenous total mixed rations containing 0, 2, 3 or 4% of dry fat. Milk production and milk fat content were higher (p<0.05) for fat treated does, with no differences between 2% fat level and control group while there was no differences among groups in milk protein content. Final body weight of does was not affected by fat supplementation while body weight changes were higher (p≤0.05) for fat treated groups. Weaning weight and average daily gain of suckling kids were increased (p≤0.05) for fat treated does, with no differences between 2% fat level and control group. It is concluded that supplemental fat to does rations at 3 or 4% during their postpartum period can improve their milk production and milk fat content, as well as body weight change of does, weaning weight and average daily gain of suckling kids, without any effect on their milk protein content.
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