The impact of treatment with bee pollen (BP) on the productive performance and some hematological and physiological traits of rabbit bucks were studied under hot climatic conditions prevalent in Assiut during the summer season. A total number of 30 rabbit bucks (15 V-line & 15 Moshtohor line); 14 weeks old were divided into three equal experimental groups. The bucks of 1st group were fed on a commercial basal ration and served as control, while those in the 2nd and 3rd groups were fed on the same ration in addition to daily oral administration with 250 and 500mg BP/buck, respectively in gelatin capsulated form allover experimental period. The obtained results revealed significant rabbit line differences in total feed intake (TFI), RBCs (106), Total protein (TP), glucose (mg/dl), Total lipids (TL), Alanine aminotransferase (ALT), Immunoglobulin G (IgG), Immunoglobulin M (IgM) and Tri-iodothyronine (T3) hormone concentration. While, the differences were insignificant in the body weight (BW), weight gain (WG), hemoglobin (Hg), Hematocrit (HTC), Cholesterol (g/dl), Total antioxidant capacity (TAC), Aspartate aminotransferase (AST), follicle-stimulating hormone (FSH), testosterone (Testos) and Luteinizing hormone (LH) hormone concentrations. The total feed intake of bucks administered with 250 or 500mg BP/buck decreased significantly (P0.01) by 4.48 and 8.50%, while the means of BW, WG and performance index (PI) increased significantly (P0.01) than those of the control. The means of Hg, HTC, RBCs (106) and Lymphocytes (%) of the bucks treated with BP increased significantly (P0.01) than those of the control. The means of TP, Albumin, Globulin and glucose levels as well as TAC, IgG, IgM of the treated bucks significantly (P0.01) increased, whereas the levels of cholesterol, TL, AST and ALT were significantly (P0.01) decreased. In the treated bucks, the concentrations of testosterone, FSH, and LH hormones improved significantly (P0.01) than those of the control group. Conclusively, it could be concluded that treating rabbit bucks raised under hot climatic conditions with both of 250 and 500 BP/ buck improved significantly the final body weight, total feed intake, hematological variables, immunological responses and hormonal estimates.

The impact of treatment with bee pollen (BP) on the productive performance and some hematological and physiological traits of rabbit bucks were studied under hot climatic conditions prevalent in Assiut during the summer season. A total number of 30 rabbit bucks (15 V-line & 15 Moshtohor line); 14 weeks old were divided into three equal experimental groups. The bucks of 1st group were fed on a commercial basal ration and served as control, while those in the 2nd and 3rd groups were fed on the same ration in addition to daily oral administration with 250 and 500mg BP/buck, respectively in gelatin capsulated form allover experimental period. The obtained results revealed significant rabbit line differences in total feed intake (TFI), RBCs (106), Total protein (TP), glucose (mg/dl), Total lipids (TL), Alanine aminotransferase (ALT), Immunoglobulin G (IgG), Immunoglobulin M (IgM) and Tri-iodothyronine (T3) hormone concentration. While, the differences were insignificant in the body weight (BW), weight gain (WG), hemoglobin (Hg), Hematocrit (HTC), Cholesterol (g/dl), Total antioxidant capacity (TAC), Aspartate aminotransferase (AST), follicle-stimulating hormone (FSH), testosterone (Testos) and Luteinizing hormone (LH) hormone concentrations. The total feed intake of bucks administered with 250 or 500mg BP/buck decreased significantly (P0.01) by 4.48 and 8.50%, while the means of BW, WG and performance index (PI) increased significantly (P0.01) than those of the control. The means of Hg, HTC, RBCs (106) and Lymphocytes (%) of the bucks treated with BP increased significantly (P0.01) than those of the control. The means of TP, Albumin, Globulin and glucose levels as well as TAC, IgG, IgM of the treated bucks significantly (P0.01) increased, whereas the levels of cholesterol, TL, AST and ALT were significantly (P0.01) decreased. In the treated bucks, the concentrations of testosterone, FSH, and LH hormones improved significantly (P0.01) than those of the control group. Conclusively, it could be concluded that treating rabbit bucks raised under hot climatic conditions with both of 250 and 500 BP/ buck improved significantly the final body weight, total feed intake, hematological variables, immunological responses and hormonal estimates.

SUMMARY A total number of 120- one day old chicks were randomly assigned into four equal groups to investigate the effect of feed color on their growth performance and carcass characteristics. The first group was fed non color feed and considered as a control group (C). While, second, third and fourth treatment groups (T1, T2 and T3) were fed green, orange or red feed, respectively. The obtained results showed that feeding colored diets had significant positive effect on body weight, body weight gain, feed consumption and feed conversation throughout the experimental period. Also, there were significant differences in carcass color, dressed carcass percentages, carcass cut-up parts (breast and drum percentages) or muscles (breast), gizzard, carcass deep (cm) and abdominal fat percentages. However, no significant differences (P>0.05) existed in most giblets (heart and liver percentages) and thigh percentages. It could be concluded, that birds fed orange feed had the best performance. Consequently, feed color for broiler chicks should be in orange color.

SUMMARY A total number of 120- one day old chicks were randomly assigned into four equal groups to investigate the effect of feed color on their growth performance and carcass characteristics. The first group was fed non color feed and considered as a control group (C). While, second, third and fourth treatment groups (T1, T2 and T3) were fed green, orange or red feed, respectively. The obtained results showed that feeding colored diets had significant positive effect on body weight, body weight gain, feed consumption and feed conversation throughout the experimental period. Also, there were significant differences in carcass color, dressed carcass percentages, carcass cut-up parts (breast and drum percentages) or muscles (breast), gizzard, carcass deep (cm) and abdominal fat percentages. However, no significant differences (P>0.05) existed in most giblets (heart and liver percentages) and thigh percentages. It could be concluded, that birds fed orange feed had the best performance. Consequently, feed color for broiler chicks should be in orange color.

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