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Articles by Jacques Mourot
Total Records ( 2 ) for Jacques Mourot
  Yousra Bouderoua , Djamel Ait-Saada , Ghalem Selselet-Attou , Jacques Mourot , Cecile Perier and Gwenola Robin
  Objective: This experiment was conducted to evaluate the effects of addition of Raw (R) and Treated (T) calcium bentonite (CaB) on growth, digesta characteristics, blood profiles and meat fatty acid of broiler chicks. Methodology: Two hundred and fifty, 1 day-old male Hubbard ISA broilers were allocated to 5 groups, reared for 50 days, designated as follows: Soy-corn based diet without addition of bentonite as control group (C), 2% CaBR, 5% CaBR, 2% CaBT and 5% CaBT. Results: Among the groups treated with bentonite, the CaBR 2% showed the best growth performance. The digesta moisture decreased (81-73%) when the bentonite rate increased from 2-5% of CaB at raw and treated form, which the intestinal viscosity passed of 1.76-2.12 (cP). The serum level of triglycerides, total cholesterol, cholesterol HDL, calcium and sodium were significantly increased in bentonite groups. The bentonite supplementations have increased the intramuscular lipid from 4.04 in control to 5.41% in CaBR group. Saturated fatty acids of chick’s meat were similar between the different groups. Among fatty acids, the oleic acid has been the predominant, with a significantly higher content in CaBR groups. The linolenic acid was negatively affected by 2% of bentonite treatment. However, at 5% of bentonite, the linoleic acid was higher compared to the control. Conclusion: This experiment suggest that the addition 2% of raw calcium bentonite in broiler diets has the best beneficial effects on the growth performance and carcass parameters, but the meat fatty acid composition is improved by 5% bentonite.
  Asma Khaouchene , Kaddour Bouderoua and Jacques Mourot
  Objective: This experiment was conducted to assess the effect of a diet containing full-fat canola seed and supplemented with rosemary leaves and vitamin C on broiler performance, carcass characteristics, meat fatty acid (FA) and lipid oxidation of broiler meat. Methodology: Two separate groups of 1 day old (d1) male broilers were fed from day 15-40 a diet containing 5% of canola seed and 27% of soybean meal as a control group. From days 40-56 chicks were allocated to three homogeneous groups. One group was fed a control diet without antioxidant, while the other two groups were fed with (canola seed supplemented with 10 g kg–1 of rosemary leaves) or 200 mg kg–1 of vitamin C. Birds were slaughtered at 56 days of age. After evisceration, thigh meat samples were separated, frozen at -20°C until to determine the fatty acid profile or stored at 4°C in the dark until to determine the lipid oxidation. Results: Results showed that the diet containing 5% of canola seed reduced (p<0.05) chicken growth by almost 4% at 35 and 40 days compared to the control diet. However, performance parameters of chicks were generally improved by the addition of rosemary leaves and vitamin C. The inclusion of canola seed increased (p<0.05) the concentration of omega-3 FA (2.14 and 1.79 against 0.85%) in meat, especially the proportion of α-linolenic acid (1.53 and 1.24 against 0.66%) and the polyunsaturated fatty acids: saturated fatty acids ratio and decreased widely the n-6: n-3 ratio. Dietary rosemary leaves were more effective (p<0.05) in inhibiting lipid oxidation of the thigh meat compared to vitamin C during storage at 4°C. Conclusion: These results indicate that the simultaneous use of rosemary and ground canola seed improves broilers performance and meat quality.
 
 
 
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