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Articles by A.J. Awang-Hazmi
Total Records ( 3 ) for A.J. Awang-Hazmi
  A.J. Awang-Hazmi , A.B.Z. Zuki , M.M. Noordin , A. Jalila and Y. Norimah
  The study was conducted to determine the composition of mineral content of cockle (Anadara granosa) shells from 3 major cockle cultivation of West Coast of Malaysia. Three samples of cockle shells from three different sources were evaluated to determine the content of 12 macro-and micro-elements (Calcium (Ca), Carbon (C), Magnesium (Mg), Sodium (Na), Phosphorus (P), Potassium (K), Ferum (Fe), Copper (Cu), Nickel ( Ni), Zink (Zn), Boron and Silica (Si)). For convenience and ease of reference, Ca and C were combine into one unit (Calcium Carbonate, CaC) while Mg, Na, P and K was evaluated individually and Fe, Cu, Ni, Zn, B and Si were evaluated as one group (others). Analysis of elements content was done using inductively Coupled plasma, Auto Analyzer, an Atomic Absorption Spectrophotometer and Carbon Analyzer. Results in this study revealed that the mineral compositions of cockle shells from 3 different sources in West Coast of Peninsular Malaysia were consistence almost in all the samples. The percentage of CaC comprises of more than 98.7% of the total minerals content of the cockle shells of the 3 sources. About 1.3 % of the composition are comprises of Mg, Na, P, K and others (Fe, Cu, Ni, B, Zn and Si).Overall, the minerals composition of cockle shells of West Coast of Peninsular Malaysia are as followed: CaC 98.7 %, Mg 0.05%, Na 0.9%, p 0.02 and others 0.2%.
  S. Nor-Satinati , A.B.Z. Zuki , M. Zamri-Saad , A.J. Awang-Hazmi and Saw Po Po
  The present study was conducted with the aim to investigate the response of GALT following oral administration of P. multocida type B2. A total of 12 adults, Spraque-dawley rats, supplied by the animal breeding unit, Faculty of Veterinary Medicine, UPM, were used in this study. The rats were divided into 2 groups, which consist of 6 rats per group. 0.5 mL of 104 CFU of P. multocida B2 was given to the rats in first group through intranasal route by using 1 mL syringe while the second group was given 0.5 mL normal saline using the same method. Both groups were kept in cages separately for 2 weeks before being euthanased. The number and size of Peyerís patches of the intestine were counted and measured macroscopically upon euthanasation. The intestine was then divided into 14 portions; proximal, middle and distal of each the duodenum, jejunum, ileum and colon and one each for caecum and rectum for histological evaluation. The Hematoxylin and Eosin staining was used to count the number of lymphocytes follicles and intraepithelial lymphocytes. This stain also used to measure the size of lymphoid follicles. The Methyl Green Pyronin was used to count the number of plasma cell. The results showed that intranasal administration of Pasteurella multocida B2 has slight influence on the development of GALT. However, the different in the parameters study between control and infected groups were not significant (p>0.05).
  S. Anjas Asmara , A.B.Z. Zuki , B. Mohd Hair and A.J. Awang-Hazmi
  The study was conducted to evaluate the gross and histological appearances of fresh chicken carcasses between slaughtered and cervical dislocated methods. In this study, 5 adult broiler chickens with homogenous weight were slaughtered and another 5 chickens were cervically dislocated. The chickens were left at room temperature for 30 min prior to gross examination and sampling for histological examination. The gross appearance of muscle and internal organs was evaluated and compared. The internal organs were fixed with 10% formalin for 72 h before went through the process of dehydration, clearing, impregnation, embedding process into paraffin wax and process of sectioning and staining with Haematoxylin and Eosin. The sections were examined under light microscope. Results in this study revealed that the gross examination of the carcass killed by slaughtering method had showed pallor appearance as compared to the chickens killed by cervical dislocation method which appeared reddish in almost all of the organs. Histologically, there was no significant different in terms of distribution or composition of erythrocytes in the visceral organs except in lungs, kidney and liver where the chickens killed by slaughtering method contains less erythrocytes as compared to the chicken killed by cervical dislocation.
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