Bacterial disease of poultry is one of the major constraints to the expansion of poultry industry. The study was undertaken to investigate some common bacterial diseases in commercial poultry farm. A total of 100 sick and dead chickens (67 broilers, 26 layers and 7 sonali) were collected from different poultry farms which were subjected to postmortem examination for tentative diagnosis. After the post-mortem examination, out of 100 collected dead chickens, bacterial diseases were confirmed 58 %. Among them 52 % of the chickens were diagnosed tentatively to be the case of colibacillosis, 4 % salmonellosis, and 2 % of fowl cholera. In post-mortem examination, some pathological lesions like: omphalitis, fibrinopurulent fluid accumulation in peritoneal cavity, air sacculitis, pericarditis and perihepatitis, extreme congestion and septicemia in intestine for colibacillosis infection; unabsorbed yolk mass, bronze discoloration and friable liver, hemorrhages in spleen, misshaped ova for salmonellosis as well as swollen and hardening of comb, congestion of skin, multiple pin point pale color necrotic lesion on liver, pin point hemorrhage on fat muscle of heart were observed for fowl cholera infection. Hence, this study will definitely help to perceive the prevalence of common bacterial diseases like colibacillosis, salmonellosis and fowl cholera infection in commercial poultry farm.
Green tea obtained from the leaves of Camellia sinensis (L.) Kuntze having potential health benefits. It contains significant amounts of antioxidant and is considered as world healthiest drink. Polyphenols in tea are thought to exhibits anti-carcinogenic and anti-inflammatory effects. Green tea catechins acts as immune modulators in immune dysfunction and also play a role in protection from degenerative diseases. Intake of green tea catechins suppress high fat diet induced obesity, prevent lipid and glucose metabolism disorders and reduce risk of coronary heart disease. Green tea constituent epigallocatechin-3-gallate (EGCG) is a potential antioxidant that shows protective effects against photo toxicity and photo carcinogenesis. In vitro animal experiments have suggested that polyphenols in green tea protect from lung cancer by their antioxidant and antimutagenic properties. This study chiefly highlights the convenience of green tea on health and propagates its further prospects.
A myriad of health claims are being made in favor of the consumption of green tea due to its easy availability and greater popularity. On the contrary, certain health risks of excessive green tea consumption have begun to emerge. The aim of the present research was to observe the baleful effects of excessive green tea intake on hematological parameter and histoarchitecture of liver. A total of thirty (n=30) Swiss albino mice were taken and randomly divided into Control C, Treated T1, and Treated T2 groups. Each group consisted of ten (5 male+5 female) mice. The Control C group was fed with normal mice pellet and water (3ml/mice) orally but the treated T1 group was supplied mice pellet with 2ml/mice of green tea+1ml/mice of water orally as well as treated T2 group was given mice pellet and 3ml/mice of green tea orally two times in a day for 60 days. After the experimental tenure, mice of each group were sacrificed ethically and samples (Blood, liver and lungs) were collected for further hematological and histomorphological studies. Treated T2 group of mice were motionless (inactive and stagnant). Anatomopathologically, the liver surface became dark red in color with considerable hepatomegaly and mild hemorrhage also found on lung surface. Histologically, mild central vein congestion and severe venous congestion with dilation were found in the portal vein of the liver of the treated T2 group of mice. Hematologically, hemoglobin level significantly reduced in the treated T2 group of mice than the others. Within this experimental period, female mice of each group gave birth (15-18 pups) that were devoid of any abnormality. Therefore, it can be concluded that excessive green tea intake in a day might have baleful effects on hematological parameter (Hb concentration) and histoarchitechture of liver in Swiss albino mice.
Mushrooms are considered as a valuable source of important nutrients having hepatoprotective and anti-hyperlipidemic actions. Present experimental research was done to explore the beneficial role of mushroom on health in hypercholesterolemia. Total thirty Swiss albino mice were taken and randomly divided into three groups: control A, group B and group C. Each group consisted of ten mice. The control A group was fed with normal mice pellet and fresh water. Group B was fed with hypercholesterolemic diet and group C was supplied hypercholesterolemic diet with mushroom powder (500g/kg/mice body weight) for 60 days. After the experimental tenure, mice of each group were sacrificed ethically and the samples (liver and blood) were collected for gross, histological study and lipid profile analysis. Increased liver weight, pale and hemorrhagic liver in gross observation along with some histological changes including dilation and congestion of central and portal vein, fat accumulation in hepatocyte and marked lymphocytic infiltration were found in group B, while mushroom supplementation recovered this gross and histological changes and reduced liver weight in group C. Just mild congestion and dilation was in the portal vein of group C. In lipid profile analysis, total cholesterol (TC), triglyceride (TG) and low density lipoprotein (LDL) level significantly reduced respectively by 10%, 38% and 17% in group C than group B. High density lipoprotein (HDL) level also significantly increased by 20% in group C compared to group B. Therefore, it can be concluded that mushrooms might have potentially beneficial actions in recovering of some complications in hypercholesterolemia.
Present experiment was undertaken to find out the postnatal development (gross) of the duodenum in broiler chicken with regard to their location, shape, size and weight. A group of five chickens, each at day 1 (D1), day 7 (D7), day 12 (D12), day 24 (D24) and day 34 (D34), total 5, were killed and their digestive tracts were dissected. After that, samples of duodenum were prepared and the length, width and muscle diameter of duodenum of different ages were recorded. The average length of duodenum were significantly higher in broilers at day 34(30.55cm) than that at day 24(28.12cm), day 12(19.50cm), day 7 (17.25cm) and day 1(14.95cm). On the other hand, the width were significantly higher in broilers at day 34(7.1mm) than that at day 24(5.25mm), day 12 (4.70mm), day 7(4.35mm) and day 1(2.75mm). In diameter of the muscle of duodenum also maintain this order. Hence, it can be concluded that, length, width and muscle diameter of duodenum might be increased with the age of broiler.
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