ABSTRACT
Objective: The purpose of the current study was to examine the effectiveness of green macroalgae as a novel, natural feed additive for broilers that have a greater concentration of active ingredients. Materials and Methods: Four experimental groups of 180-day-old male broiler chicks (Cobb-500) were randomly assigned, with three replicates in each group: the control group [T0, maintained only with basal diet] and three treatment groups supplemented with macroalgae for 35 days along with basal diet [T1 = 0.05% (w/w); T2 = 0.1% (w/w); T3 = 0.2% (w/w) macroalgae]. Live weight, carcass weight, and organs' weight were noted at the conclusion of the experiment. The meat quality was examined using the muscles of the thighs and breasts, and blood serum was obtained for biochemical assessment. Results: The results revealed that dietary supplementation of green macroalgae (0.1%) in broiler rations significantly (p < 0.05) improved the growth performance compared to other treated groups and controls. With increasing weight, it enhanced meat quality traits assessed by increased water holding capacity, ultimate pH, redness and yellowness, and decreased lightness of muscles in the thighs and breasts. Both the levels of serum cholesterol and abdominal fat decreased and showed no unwholesome effects on liver and kidney functions. Conclusion: For the production of safe and high-quality poultry meat, marine green macroalgae (Enteromorpha intestinalis) could be used as a potential feed additive. It enhanced the growth rate in broilers and improved meat quality and serum biochemical parameters for supplying healthy meat in the human food chain.
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Objective: The current study was carried out to assess the humoral immune responses according to age at different stages of wound healing in Black Bengal goats (BBG). Materials and Methods: Apparently, healthy BBGs (n = 20) were collected and divided into five groups based on their age: Group A (control, 3 years), Group B (3 to 5 years), Group C (2 to <3 years), Group D (1 to <2 years), and Group E (<1 year). Except for control, all BBGs were allowed to have artificial surgical wounds, and follow-up data were collected from day 0 to 21. The humoral immune responses [immunoglobulins (Igs) and interleukin-6 (IL-6)] were determined by ELISA using commercial goat ELISA kits. Statistical Product and Service Solutions (Version 20) was used to analyze the data. Results: The normal range of immune cells in control BBGs was immunoglobulin G (IgG) (20.21 ± 0.13 mg/ml), immunoglobulin M (IgM) (2.87 ± 0.0.05 mg/ml), immunoglobulin A (IgA) (0.33 ± 0.01 mg/ml), and IL-6 (1.6 ± 0.05 pg/ml). In this experiment, higher concentrations of IgG (21.11 ± 0.20 mg/ml), IgM (2.92 ± 0.04 mg/ml), IgA (0.35 ± 0.02 mg/ml), and IL-6 (1.62 ± 0.05 pg/ml) were found in Group B BBGs, whereas the lower levels of IgG, IgM, IgA, and IL-6 were found at 17.16 ± 0.18 mg/ml, 2.12 ± 0.01 mg/ml, 0.29 ± 0.03 mg/ml, and 1.55 ± 0.05 pg/ml, respectively, in the Group E BBGs. Rapid wound healing was observed in the older groups compared to the younger groups of BBGs. The concentrations of Igs (IgG, IgM, and IgA) and IL-6 were gradually increased in all groups from day 3 (early inflammatory stage) and day 7 (late inflammatory stage), and then they decreased gradually from day 14 (proliferative stage) to reach the final stage of day 21 (remodeling stage), where the concentrations were found to be at a level comparable to their per-incisional period. No gender-related differences were detected. Conclusion: Adult BBGs (3 to 5 years old) showed faster wound repair and stronger immune responses. This finding may assist veterinarians and researchers in considering age-related immune responses for the recovery and rapid cure of surgical wounds.
ABSTRACT
BACKGROUND: Thymus, bursa of Fabricius and spleen are the major lymphoid organs of avian species that plays a crucial role in their immunity. Though glucocorticoids are reportedly used as growth promoters, they also suppress the immune system. OBJECTIVES: The objective of this study was to investigate the morphologic and morphometric adaptations in the lymphoid organs as well as the mortality rate in broilers in response to long-term treatment with dexamethasone (DEX). METHODS: A total of 80 one-day-old broiler chicks (Cobb 500) were randomly divided into four homogenous groups (control - C and treatment groups - T1, T2, and T3). The treatment groups received DEX at the rate of 3, 5, and 7 mg/kg commercial feed. Samples, i.e. thymus, bursa of Fabricius, and spleen, were collected on 7, 14, 21, and 28 days of the experiment. Relative weight of the organs was calculated on each sampling day. The tissues were then processed and stained with haematoxylin and eosin stain for morphological and morphometric study. RESULTS: The relative weight of lymphoid organs was found substantially (p < 0.05) less in the DEX-treated groups. Significant (p < 0.05) reduction in lobular size and the cortical-medullary ratio was observed in the thymus of the DEX-treated broilers. Follicular atrophy and massive depletion of lymphocytes were evident in the bursa of Fabricius. The mortality rate was also increased which was largely dependent on the dose and duration of DEX treatment. CONCLUSIONS: The study results indicate that DEX treatment can alter the morphology and morphometry of lymphoid organs which might result in severe immunosuppression and increased mortality rate in broilers.
Subject(s)
Chickens , Diet , Animals , Diet/veterinary , Thymus Gland , Spleen , Dexamethasone/pharmacologyABSTRACT
In an epoch of the growing risk of antibiotic resistance, there is a dire need to establish an effective novel feeding practice for broiler nutrition as an alternative to antibiotics. Hence, the aim of the current study was to evaluate the impact of clove powder and tulsi extract on the growth performance, gut morphologic and morphometric indices, and cecal microbial status of broiler, as an alternative to antibiotic growth promoters (AGPs). Sixty day-old chicks of Cobb-500 strain were randomly divided into 4 groups, each having 15 birds. Chicks of the control group (T0) were fed commercial broiler feed with no additional supplementation. The treatment groups were offered commercial broiler feed and received clove powder and tulsi extract with drinking water at the rate of 0.5% + 2% (T1), 1% + 3% (T2), and 1.5% + 4% (T3), respectively. Results showed a nonlinear relationship with the dosage of clove and tulsi. All the growth parameters substantially (P < 0.05) improved in T2 while T1 and T3 showed no significant improvement compared to T0. The final body weight was significantly (P < 0.05) higher in T2. Giblet and offal weights showed no noticeable differences except in the intestine and heart where intestine weight markedly (P < 0.05) decreased in T3 and heart weight significantly (P < 0.05) increased in T1 and T2. Clove and tulsi supplementation substantially improved the villus height and villus surface area of the small intestine in T2 while the large intestine remained mostly unaffected by the treatment. Cecal microbial status significantly improved in all the treatment groups having increased (P < 0.05) Lactobacillus spp. count and decreased (P < 0.05) E. coli count compared to T0. Based on the aforementioned findings, it can be concluded that the combination of clove and tulsi can improve the growth performance and gut health of broilers which is largely dose-dependent and might be supplied as a potential alternative to AGPs.
Subject(s)
Microbiota , Syzygium , Animals , Dietary Supplements , Diet/veterinary , Chickens , Ocimum sanctum , Escherichia coli , Powders , Anti-Bacterial Agents , Animal Feed/analysisABSTRACT
This study explores the impact of dexamethasone (DEX) on the serum glucose profile, morphological attributes of the liver, and the expression of hepatic glucocorticoid receptors (GRs) in the broiler. To conduct this study, four homogenous groups of day-old chicks (DOCs) were used (n = 20 chicks per group); one control group (C), and three treatment groups (T1, T2, and T3). All the groups were maintained on a commercial feed with which 3, 5, and 7 mg DEX (per kg feed) were supplied to the T1, T2, and T3 groups, respectively. Samples were collected on days 7, 14, 21, and 28 of the experiment. The serum glucose profile was measured by spectrophotometry. The livers' morphometric attributes were recorded before being processed and stained with hematoxylin and eosin. The expression pattern of hepatic GR proteins was evaluated by immunohistochemical staining. DEX residue was detected in liver tissue using thin-layer chromatography. Increased serum glucose level was observed in the DEX groups. Fatty liver, hepatic congestion, and decreased morphometric attributes were the critical findings in the DEX groups. Congestion of the central veins, sinusoids, and accumulation of lipid droplets was also observed in the DEX groups. GR proteins were mostly localized in the central vein and cytoplasm of the hepatocytes, the expression of which was found to be upregulated with the increased dose of DEX. The residue of DEX was detected in the liver tissues in the higher dose groups. The findings imply that DEX can substantially alter the blood glucose profile and liver morphology.
Subject(s)
Dexamethasone , Receptors, Glucocorticoid , Animals , Receptors, Glucocorticoid/genetics , Dexamethasone/pharmacology , Chickens , Glucose/metabolism , Liver/metabolism , Glucocorticoids/pharmacology , Steroids/metabolismABSTRACT
Formalin is used for different purposes due to its preservation capability. But continuous exposure to formalin may result various health related issues leading to cancer and death. A new alcohol-based fixative, EMA (ethanol, methanol and acetic acid = 3:1:1) could be a safer option in this regard. To compare the health hazards of formalin and EMA, a total 15 adult male mice were randomly distributed into three groups- exposure groups (formalin and EMA) and control group. The mice were subjected to natural inhalation exposure of the fixatives followed by behavioral depression test (forced swimming test), histopathology and serum biochemical tests. Our results showed that the hazardous effects of formalin were remarkably higher than that of EMA. Formalin exposed group showed severe depression (P < 0.001) in the forced swimming test compared to EMA and control groups. Histopathologically, diffuse lymphocytic infiltrations around the lung alveoli and bronchioles and severe inflammation with accumulation of reactive cells in the cerebral cortex were detected in the formalin exposed group, whereas little or no inflammation with fibrinous exudates in the bronchioles was reported in the EMA group and no inflammatory cells were detected in the cerebral tissues. The serum biochemical analysis of the inflammatory mediators (Interleukin-6 and C-reactive protein) revealed that both significantly (P < 0.001) increased in the formalin exposed group compared to EMA and control groups. These results confer that EMA could be a safer option to reduce health hazards of formalin in the workplace environment.
ABSTRACT
The widespread and indiscriminate use of antimicrobials in food animals is a key contributor to antimicrobial resistance and antimicrobial residue, which have become a growing public and animal health concern in developing countries such as Bangladesh. This study was aimed to assess the knowledge, attitude, and practices (KAP) of large-animal farmers towards antimicrobial use (AMU), antimicrobial resistance (AMR), and antimicrobial residue (AR) with their correlation. A cross-sectional survey was conducted with a structured and pretested questionnaire in the Mymensingh division of Bangladesh. A total of 212 large-animal farmers (dairy, beef fattening, buffalo, sheep, and goat farmers) were surveyed. Results showed that most of the farmers are male (85.8%) and belong to the 18-30 age group (37.3%). About 20.3% had no formal education, and nearly half of the participants (48.1%) received training regarding antibiotic use and resistance. Penicillin is the most common class of antibiotic used (61.8%) in the study area, followed by other antimicrobials. Only 37.7% of the farmers used antimicrobials on the recommendation of their veterinarian. Overall, 41.5%, 42.5%, and 21.7% of farmers possess adequate knowledge and a satisfactory attitude and perform desirable practices, respectively. Farmers in the 31-40 age group have adequate knowledge, attitude, and ability to implement desired practices compared to farmers in the 18-30 age group. Farmers having a graduate or post-graduate degree scored better in relation to knowledge, attitude, and practice than other farmers. Analysis revealed that farmers who received training on AMU and AMR had 10.014 times (OR = 10.014, 95% CIs: 5.252-19.094), 9.409 times (OR = 9.409, 95% CIs: 4.972-17.806), and 25.994 times (OR = 25.994, 95% CIs: 7.73-87.414) better knowledge, attitude, and performance, respectively, compared to their counterparts. A significant proportion of farmers (97.2%) dispose of leftover antibiotics inappropriately. The findings of the present study will be used to intervene in the education and training of the farmers, which will help to limit the indiscriminate and irrational use of antimicrobials, leading to reducing the chances of developing AMR.
ABSTRACT
Formalin is a widely used fixative but there is potential public health risks to exposure. Besides, alcoholic fixation is advantageous over formalin fixation because of faster fixation, optimal preservation and safer workplace environment. Following fixation by EMA and 10% neutral buffered formalin (NBF), we analyzed the tissue morphology, antigenic stability, DNA and RNA quantity with quality (OD value). The findings of EMA fixing on both the tissue morphology and molecular characterization, were satisfactory. Specially, EMA was faster in penetration of tissues than NBF, fixed ideally as early as 8 h of fixation whereas improper fixation was evident for NBF. In Hematoxylin and Eosin (H & E) staining, better cellular details with stronger affinity for staining were observed. In immunohistochemistry, better antigenic stability was reported for EMA-fixed tissues. The nucleic acid analysis revealed that total genomic DNA and RNA yield from EMA fixed tissues were significantly higher (P < 0.05) with superior quality than NBF fixed tissues. Our results suggest that EMA could be a potential alternative to NBF for fixation and preservation of tissues. These data provide new insights into an option for a safer working environment to support study and research.
ABSTRACT
Background: Human milk contains high concentrations and diversity of sialylated oligosaccharides that have multifunctional health benefits, however, their potential role in optimizing neurodevelopment remains unknown.Objective: To investigate the effect of sialylated milk oligosaccharides (SMOS) intervention on neurotransmitters and brain metabolites in piglets.Methods: 3-day-old piglets were randomly allocated to one of three groups and fed either standard sow milk replacer (SMR) alone (n = 15), SMR supplemented with sialyllactose 9.5â g/kg (SL, n = 16) or a combination of SL and 6'-sialyllactosamine 9.5â g/kg (SL/SLN, n = 15) for 35 days. Brain spectra were acquired using a 3T Magnetic Resonance Spectroscopic (MRS) system.Results: SMOS fed piglets were observed to have significantly increased the absolute levels of myo-inositol (mIns) and glutamate + glutamine (Glx), in particular, the SL/SLN group. Similar findings were found in the relative amount of these metabolites calculated as ratios to creatine (Cr), choline (Cho) and N-acetylaspartate (NAA) respectively (P < .05). In addition, there were significant positive correlations of brain NAA, total NAA (TNAA), mIns, total Cho (TCho), total Cr (TCr), scyllo-Inositol (SI) and glutathione (Glth) with total white matter volume; Glu and SI with whole brain volume; and SI with whole brain weight respectively (P < .01). SLN and 3'SL intake were closely correlated with the levels of brain Glu, mlns and Glx in the treatment groups only (P < .01-.05).Conclusions: We provide in vivo evidences that milk SMOS can alter many important brain metabolites and neurotransmitters required for optimizing neurodevelopment in piglets, an animal model of human infants.
Subject(s)
Brain , Milk , Animals , Female , Aspartic Acid/metabolism , Brain/metabolism , Choline/metabolism , Creatine/metabolism , Magnetic Resonance Spectroscopy/methods , Neurotransmitter Agents/metabolism , Oligosaccharides , SwineABSTRACT
SUMMARY: Fixation is a crucial step in processing of tissue specimen for preservation of cellular architecture and composition of cells. Alcohol-based fixatives are considered some of the most promising alternatives to formalin. We evaluated the performance of alcohol-based fixatives (EthMeth and methacarn) and formalin as a comparator fixative in the research laboratory. Following 24 hours of fixation, tissue morphology and cellular details of the liver, spleen and brain (cerebral cortex) were evaluated. Morphological characteristics were evaluated by gross observations and analyzing cellular details, tissue architecture and overall staining characteristics (Hematoxylin and Eosin). EthMeth and methacarn fixation gave generally comparable and satisfactory results on the tissue morphology and subsequent identification of tissue characteristics. Particularly, tissues were well preserved and all nuclear as well as cytoplasmic details were clearly visible. However, formalin fixed tissues showed some peculiarity such as improper fixation, mild shrinkage, and alterations of tissue components. These results confirm that alcohol-based fixation is the superior alternative to formalin for preservation of tissue morphology. However, it is required to standardize the formalin-free methods and harmonize diagnosis in the laboratory worldwide.
RESUMEN: La fijación es un paso crucial en el procesamiento de muestras de tejido para preservar la arquitectura celular y la composición de las células. Los fijadores a base de alcohol se consideran algunas de las alternativas más prometedoras a la formalina. Evaluamos el rendimiento de los fijadores a base de alcohol (EthMeth y metacarn) y formalina como fijador comparativo en el laboratorio de investigación. Después de 24 horas de fijación, se observó la morfología del tejido y los detalles celulares del hígado, bazo y corteza cerebral. Se evaluaron las características morfológicas mediante observaciones generales y analizando detalles celulares, arquitectura de tejidos y características generales de tinción (hematoxilina y eosina). La fijación de EthMeth y metacarn dio resultados generalmente comparables y satisfactorios en la morfología del tejido y la posterior identificación de las características del mismo. Particularmente, los tejidos estaban bien conservados y todos los detalles nucleares y citoplasmáticos eran claramente visibles. Sin embargo, los tejidos fijados con formalina mostraron cierta peculiaridad, tal como una fijación inadecuada, la contracción leve y alteraciones de los componentes del tejido. Estos resultados confirman que la fijación a base de alcohol es la mejor alternativa a la formalina, para preservar la morfología del tejido. Sin embargo, es necesario estandarizar los métodos sin formalina y armonizar el diagnóstico en los laboratorios.
Subject(s)
Tissue Fixation/methods , Alcohols/chemistry , Fixatives , Formaldehyde/chemistry , Chloroform/chemistry , Acetic Acid/chemistry , Methanol/chemistryABSTRACT
Chitosan oligosaccharides (COS) are the hydrolyzed product of chitosan and have multifunctional health benefits. The objective of this study was to elucidate the effect of COS as a dietary supplement to gilts on their productivity and health and that of their litters. Gilts were randomly assigned to either a treatment (n = 30) or control group (n = 30). The treatment gilts were fed a standard dry sow ration supplemented with COS at 0.12 and 0.24 g/gilt per d during gestation and lactation, respectively, and the control group was fed the standard dry sow ration only. The body weight, reproductive performance, milk production and litter size for each gilt and body weight of corresponding litters were recorded. The serum immunoglobulins (IgA, IgG, IgM) and secretory immunoglobulin A (sIgA) concentrations of gilts and piglets and fecal sIgA concertation of gilts were measured by Enzyme-linked immunosorbent assay (ELISA). Our study showed that maternal COS supplementation 1) significantly increased gilt body weight in late pregnancy (P < 0.05), 2) significantly increased milk production of gilts at different stages (d 1, 3, 7 and 19) of lactation (P < 0.05), 3) significantly increased body weight gain of piglets at weaning (P < 0.05), 4) significantly increased the serum concentrations of IgM and sIgA in piglets, and sIgA in fecal sample of gilts (P < 0.05), and 5) tended to increase the pregnancy success rate (P > 0.05) in the treatment group compared to the control group. These results suggest that maternal COS intervention in gilts can improve gilt milk production, piglet pre-weaning growth and immunity parameters in both gilts and piglets.
ABSTRACT
Lactoferrin (LF), a sialylated iron-binding glycoprotein, performs multiple beneficial functions including modulating immunity and improves neurodevelopment, health and growth performance. Maternal LF intervention for gilts (first parity sows) on the performance of gilts and their offspring remains unknown. In the current study gilts were fed with a commercial pig feed supplemented with 1g LF /day (treatment group) or 1g milk casein/day (control group) from day 1 post mating throughout pregnancy and lactation for about 135 days. The milk production and body weight gain was monitored. The immunoglobulin concentrations in the serum of gilts and piglets were measured using ELISA. Our study showed that maternal LF supplementation to the gilt (1) significantly increased milk production at different time points (day 1, 3, 7 and 19) of lactation compared to the control (p<0.001); (2) significantly increased body weight gain of their piglets during the first 19 days of life compared to the control group (p<0.05); (3) tended to increase pregnancy rate, litter size and birth weight, number of piglets born alive, and decrease the number of dead and intrauterine growth restriction (IUGR) piglets; (4) significantly increased the concentration of serum IgA in gilt and serum sIgA in piglet (p<0.05). In summary, maternal Lf intervention in gilts can improve milk production, pig production and serum IgA and sIgA levels, and therefore plays a key role in shaping the performance of their progeny.
Subject(s)
Animal Feed , Body Weight/drug effects , Lactation/drug effects , Lactoferrin/pharmacology , Pregnancy/drug effects , Animals , Caseins/pharmacology , Female , SwineABSTRACT
The accessory nerve is a cranial nerve, composed of only motor axons, which control neck muscles. Its axons ascend many segments along the lateral surface of the cervical spinal cord and hindbrain. At the level of the first somite, they pass ventrally through the somitic mesoderm into the periphery. The factors governing the unique root trajectory are unknown. Ablation experiments at the accessory nerve outlet points have shown that somites do not regulate the trajectory of the accessory nerve fibres. Factors from the neural tube that may control the longitudinal pathfinding of the accessory nerve fibres were tested by heterotopic transplantations of an occipital neural tube to the cervical and thoracic level. These transplantations resulted in a typical accessory nerve trajectory in the cervical and thoracic spinal cord. In contrast, cervical neural tube grafts were unable to give rise to the typical accessory nerve root pattern when transplanted to occipital level. Our results show that the formation of the unique axon root pattern of the accessory nerve is an intrinsic property of the neural tube.
Subject(s)
Accessory Nerve/cytology , Accessory Nerve/embryology , Axon Guidance/physiology , Neural Tube/cytology , Neural Tube/embryology , Somites/embryology , Accessory Nerve/physiology , Animals , Chick Embryo , Neural Tube/physiology , Somites/cytology , Somites/physiologyABSTRACT
Ovary plays the vital role in the reproductive biology and biotechnology of female animals. With the aim to study the ovarian morphometry of Black Bengal goat, both right and left ovaries were collected from the slaughter houses of different Thanas under Mymensingh district. For each of the specimens, gross parameters such as weight, length and width were recorded. Then they were processed and stained with H & E for histomorphometry. Our study revealed that the right ovary (0.53±0.02 g) was heavier than the left (0.52±0.02 g). The length of the right ovary (1.26±0.04 cm) was lower than the left (1.28±0.02 cm) but the width of the right (0.94±0.02 cm) was greater than the left (0.90±0.03 cm). The diameter of ovarian follicles in the cortex was measured as primordial 39.6±6.61 µm, primary single layer 54.0±4.06 µm, primary multi layer 147.6±11.04 µm, secondary with C-shaped antrum 449.5±75.71 µm and tertiary follicle of ovary 1.3±0.20 mm. In the graffian follicle, the thickness of granulosa cell layer was 79.2±11.04 µm, theca interna 75.76±6.82 µm, theca externa 130.07±12.53 µm and the oocyte diameter was 109.8±5.75 µm. These results will be helpful to manipulate ovarian functions in small ruminants.
El ovario desempeña un papel fundamental en la biología de la reproducción y la biotecnología de las hembras. Con el objetivo de estudiar la morfometría de ovario de la cabra Black Bengal se obtuvieron ovarios de ambos lados de diferentes mataderos del distrito de Mymensingh. Para cada uno de los especímenes, se registraron los parámetros de peso, longitud y ancho. Luego fueron procesados y teñidos con H & E para histomorfometría. El ovario derecho (0,53±0,02 g) fue más pesado que el izquierdo (0,52±0,02 g). La longitud del ovario derecho (1,26±0,04 cm) fue inferior al izquierdo (1,28±0,02 cm), pero el ancho del derecho (0,94±0,02 cm) fue mayor que el izquierdo (0,90±0,03 cm). El diámetro de los folículos ováricos en la corteza se midió como primordial 39,6±6,61 µm, de una capa primaria 54,0±4,06 µm, de múltiples capas primarias 147,6±11,04 µm, secundarias con antro en forma de C 449,5±75,71 µm y folículo terciario del ovario 1,3±0,20 mm. En el folículo terciario del ovario, el espesor de la capa de células de la granulosa fue 79,2±11,04 µm, teca interna 75,76±6,82 µm, teca externa 130,07±12,53 µm y el diámetro de los ovocitos fue 109,8±5,75 µm. Estos resultados serán útiles para manipular las funciones de ovario en los pequeños rumiantes.
Subject(s)
Animals , Female , Goats/anatomy & histology , Ovary/anatomy & histology , Ovarian Follicle/anatomy & histologyABSTRACT
The aim of this paper is to highlight the activities and observations of some NGOs and some dedicated researchers in the field of psychosocial consequences of disaster in Bangladesh, particularly in the coastal areas and the tornado-affected areas of the district of Tangile and Jamalpur during the last two decades. Some of the advantages of the non-governmental organizations' (NGOs) work in relief and development were their linkages with grass-roots people ensuring access to the community and community participation, the flexible approach of work, ability and willingness to learn from people and ability to connect people's lives with their realities. The most remarkable survey carried out by the Social Assistance and Rehabilitation for the Physically Vulnerable (SARPV-Bangladesh) after the 1996 tornado showed, on average, that women are more affected psychologically than men; 66% of the total sample in the disaster area were psychologically traumatized and required emergency services. The study supports the ideas that any disaster will have mental health consequences. Providing scientific psychological services is essential for real recovery from such a disaster. In developing countries like Bangladesh, limitations of mental health professionals and inadequate knowledge and practice about disaster mental health among the medical and paramedical staff, may lead to delays in the psychosocial management and rehabilitation of the survivors. To respond properly to a serious type of disaster like a cyclone or a tornado or recurrent devastating flood, the disaster mental health team should be aware of the socio-economic status, local culture, tradition, language and local livelihood patterns. Integration of the team with the network of various governmental and non-governmental organizations is essential to provide mental health services effectively.