Abstract: Sorghum grain is comparable to maize in feeding value and can reduce feed cost and dependency on maize. Sorghum grain containing reasonable amounts of tannin which have ability to bind dietary protein, carbohydrate and minerals. Consuming high amounts of tannins may cause bowel irritation on gastrointestinal tissues. The objective of this study was to assess the effect of replacement of different levels of barley with sorghum grain on histological changes of the abomasum, duodenum and colon. In this study sixteen male Ghezel×Arkhar-merino crossbred lambs were used. Dietary treatments had same amounts of alfalfa hay (20% total DM) and different levels of the barley grain substituted with sorghum grain in which sorghum grain was used in the levels of 0, 60, 70 and 80 percent of total ration. Lambs were randomly assigned to one of the four dietary treatments in a completely randomized design assignment. At the end of finishing period the lambs were slaughtered and samples were prepared. The gross examination of abomasum, duodenum and colon did not reveal any significant necropsy signs. Samples were preceded by routine histological techniques and H and E staining method. Histological results showed that, abomasum has not distinct histological damage; except increasing of parietal cells and lymphocytosis in lamina propria and tunica submucosa. The presence of lymphocytosis probably is not related to the sorghum usages. microscopic observations of duodenum and colon showed that, higher dietary sorghum grain resulting histological changes as increase of goblet cells, dilatation of lumen of Lyberkohn's glands in order to degeneration of apical parts and brush borders of secretory units surface cells and degeneration of apical parts of villi surface cell. Also hyperemia and sporadic hemorrhage was observed in lamina propria and tunica submucosa of duodenum and colon in high level sorghum diet.Abstract: Sorghum grain is comparable to maize in feeding value and can reduce feed cost and dependency on maize. Sorghum grain containing reasonable amounts of tannin which have ability to bind dietary protein, carbohydrate and minerals. Consuming high amounts of tannins may cause bowel irritation on gastrointestinal tissues. The objective of this study was...Show More
Abstract: Antibiotics have been extensively used as feed additives and growth performance in animal feed industry. The use of antibiotics is hazardous due to multiple resistances of pathogens. Thyme and ginger are medicinal herbs which have anti-inflammatory, antimicrobial, and antioxidant properties and used as feed additives in animal industry. Thus, the present study carried out to estimate the effect of thyme and ginger on some biochemical and immunological parameters in addition to their effect on the growth performance. Fifteen male rats were divided into three groups, first one was fed on basal diet (the control), second group was fed on basal diet contained thyme (5%) and the third was fed on basal diet contained ginger (5%). The experiment lasts for 4 weeks and then serum sample was collected. Our results revealed the presence of significantly increase in body weight; body gain and feed efficiency values in treated groups in comparison with the control group. Total globulins and alkaline phosphatase (ALP) were significantly increased for ginger and thyme groups in comparing with control group meanwhile total proteins and albumin recorded non-significant change, GOT increased in ginger group but not in thyme one. Thyme and ginger decreased triglyceride (TG), total cholesterol (TC) and low density lipoproteins (LDL) even though high density lipoproteins (HDL) showed no significant change in either group. Thyme decreased serum urea and Creatinine meanwhile ginger increased serum Creatinine with no significant change of urea. On the other hand Thyme significantly decreases production of serum Interleukin 6 (IL-6) in mice while ginger increased its level in serum. The present study concluded that either thyme or ginger have positive effect on some biochemical and immunological parameters in addition to their effect on growth performance however they have negative effect on others, as this is the first recorded increase of ALP with the two herbs so the using of the herbs must under restriction.Abstract: Antibiotics have been extensively used as feed additives and growth performance in animal feed industry. The use of antibiotics is hazardous due to multiple resistances of pathogens. Thyme and ginger are medicinal herbs which have anti-inflammatory, antimicrobial, and antioxidant properties and used as feed additives in animal industry. Thus, the p...Show More
