EFFECT OF REPLACEMENT OF BARLEY GRAINS AND SOYBEAN MEAL BY DISTILLER'S DRIED GRAINS WITH SOLUBLES WITH OR WITHOUT SUPPLEMENTED SEAWEED IN GROWING RABBIT RATIONS ON: 3- Glucose absorption and glucose, thyroxin and triiodothyronine concentration in blood plasma of growing rabbits.

Abstract

Twenty seven weaning New Zealand White (NZW)rabbits of seven weeks old of about 813 g live body weight was randomly distributed into nine groups (three rabbits in each). The experimental groups were fed randomly on one of the nine formulated experimental rations used. The 1 st ration (R1) was used as a control, which contained: 10 % yellow corn+10 % barley+ 13.7 % soybean meal (SBM) + 20 % wheat bran + 40 % clover hay + 3 % molasses+1.0 % calcium diphosphate +1.2 % limestone + 0.5 % sodium chloride+0.4% minerals-vitamins mixture+0.2 % methionine. The substituting (equal parts) from barley and SBM by 10 % and 20 % distiller's dried grains with soluble (DDGS) for ration 2 (R2) and ration 3 (R3), respectively. The supplemented seaweed (SW) for these rations was at tow levels subtracted from the wheat bran. The first level was 0.5 % seaweed for rations R4, R5 and R6. The second level was 1.0 % seaweed for rations R7, R8 and R9. All rations were nearly isonitrogenous and isocaloric. Blood plasma samples were collected from all rabbits after overnight fasting at 7, 9, 11 and 13 weeks to determine glucose, thyroxin (T 4) and triiodothyronine (T 3). A representative part (5 cm) from the small intestine was dissected immediately after slaughtering the three rabbits in each group to determine glucose absorption rates. The results of the present study revealed that there was no significant effect with feeding on DDGS with or without SW on glucose absorption. The 42 EMAN MAKLAD et al. mean values for glucose absorption were ranged from 0.39 to 0.44 (mg/hr), with feeding on the experimental rations. Rabbit's group fed on 10 % DDGS with 1.0 % SW recorded the highest significant value of blood glucose (132 mg / 100 ml) followed by R4 (fed on 0.0 % DDGS with 0.5 % SW, where the lowest value (109.42 mg / 100 ml) was detected for R2 (fed on 10 % DDGS without SW). There was no significant effect on T4 concentrations with feeding on the experimental rations. The mean values were ranged from 13.70 to 17.92 ng/ml. The highest values were observed with feeding on R8 followed by R9, while the lowest value was observed with feeding on R1. The same trend was observed in T3 concentrations. The mean values were ranged from 3.5 to 4.46 ng/ml. In generally, the T4: T3 ratio was about 4: 1 with feeding the experimental rations.

Effect of Adding Sodium Nitrate without or with some Feed Additives in Growing Rabbit Diets on: 1. Growth Performance and Economic Efficiency

“…Glucose is crucial for maintenance and productive function in animals (Reynolds, 2005). In growing animal's glucose requirements will be determined by growth rate which is set by ME intake (Maklad, H. M. Eman et al, 2011) Glucose is utilized by animal cells produce energy (Richards et al, 1995). Glucose concentration was significant and positively correlated with total protein and albumin, but negatively correlated to urea.…”