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1

The effect of rosemary herb as a dietary supplement on performance, egg quality, serum biochemical parameters, and oxidative status in laying hens

100%
Alagawany M., Abd El-Hack M. E.
Journal of Animal and Feed Sciences
|
2015
|
tom 24
|
nr 4
The aim of this study was to evaluate the effect of rosemary herb on performance, egg quality, blood profile, immune function and antioxidant status in Hi-sex Brown laying hens. A total of 96 thirty-six-week-old laying hens were assigned to 4 dietary treatments (6 replications of 4 hens per group) and were fed the control diet or diets supplemented with 3, 6 or 9 g·kg–1 of rosemary powder until 52 weeks of age. There were no differences in live body weight, feed consumption, feed conversion ratio or egg weight due to adding rosemary. Egg numbers and egg mass linearly increased with rosemary supplementation. Adding rosemary to laying hen diets resulted in a linear increase in yolk percent (P < 0.05) and yolk-to-albumen ratio (P = 0.01), and a decrease in albumen percent (P < 0.05) compared with the non-supplemented group. Serum constituents were not significantly influenced by rosemary, except urea, total cholesterol, immunoglobulins M (IgM) and A (IgA) concentrations. In comparison with the control group, the diet enriched with rosemary numerically reduced serum triglycerides, cholesterol and LDL-cholesterol concentrations, but HDL-cholesterol level was elevated with the same addition. Superoxide dismutase activity was linearly and quadratically (P = 0.007 and 0.002, respectively) increased in rosemary groups, and was maximized (290 U·ml–1) at 6 g·kg–1 diet. In conclusion, rosemary supplemented up to 6 g·kg–1 diet can be used as effective feed additive to improve performance, immunity and antioxidant status in laying hens.
2

Impact of increasing crude glycerine levels in diet on growth, carcass traits, body measurements and blood cholesterol in growing Japanese quails

81%
Arif M., Hayat Z., Sohail S., Abd El-Hack M. E.
Journal of Animal and Feed Sciences
|
2017
|
tom 26
|
nr 1
The aim of the study was to evaluate the effect of dietary inclusion of crude glycerine on growth performance, carcass traits, body measurements and blood cholesterol level of growing Japanese quails. In total 375 one-dayold Japanese quails were randomly divided into five equal groups under complete randomized design. Experimental groups were as follows: T1: basal diet (without glycerine addition), T2: basal diet + 2.5% glycerine, T3: basal diet + 5% glycerine, T4: basal diet + 7.5% glycerine, and T5: basal diet + 10% glycerine. Each treatment was replicated 5 times, 15 birds in each replicate. It was observed that glycerine supplementation did not significantly (P > 0.05) affect the feed intake and body weight of birds. Dietary inclusion of glycerine at a dose of 2.5 and 5% had positive impact on feed conversion ratio (quadratic, P = 0.021) in comparison to control group. Glycerine inclusion in the diet did not affect total blood cholesterol level. Furthermore, neither carcass traits nor body measurements were statistically influenced by the different inclusion levels of glycerine. So, it could be stated that in order to obtain positive effects on quail growth performance, crude glycerine could be used in diets as a source of energy at levels of 2.5 and 5%.
3

The applications of Origanum vulgare and its derivatives in human, ruminant and fish nutrition - a review

61%
Alagawany M., Abd El-Hack M. E., Farag M. R., Shaheen H. M., Abdel-Latif M. A., Noreldin A. E., Khafaga A. F.
Annals of Animal Science
|
2020
|
tom 20
|
nr 2
4

Effect of gradual substitution of soyabean meal by Nigella sativa meal on growth performance, carcass traits and blood lipid profile of growing Japanese quail

61%
Abd El-Hack M. E., Alagawany M., Saeed M., Arif M., Arain M. A., Bhutto Z. A., Fazlani S. A.
Journal of Animal and Feed Sciences
|
2016
|
tom 25
|
nr 3
The aim of the study was to evaluate the effect of different inclusion levels of meal (NSM) on growth performance, carcass yield and blood lipid profile of 300 unsexed one-week old Japanese quails. The experimental diets contained four levels of NSM replacing 0 (control), 20, 30 and 40% of soyabean meal (SBM) in growing Japanese quail diets. Live body weight was linearly ( = 0.017) and quadratically ( = 0.024) increased at week 3 of age and only quadratically ( > 0.001) at week 6 of age due to 30% SBM substitution. Birds fed diets with 20 and 30% SBM replaced by NSM consumed more feed in comparison with other animals during 3-6 and 1-6 week of age. The substitution of 20% SBM for the same percent of NSM resulted in a significant ( < 0.001) linear increase in both dressing and carcass percentages in comparison with the control and other treatment groups, giblets yield was also significantly (linearly = 0.011 and quadratically = 0.021) affected. A gradual reduction in serum total lipids, total cholesterol and HDL-cholesterol was observed along with the increasing level of NSM in the diet, except HDL which was elevated when 40% of SBM was replaced. It could be concluded that NSM could partially replace SBM up to 30% in growing Japanese quail diets without any harmful hazards regarding performance, feed utilization and carcass traits. Moreover, the blood lipid parameters are decreased with increasing NSM content in the diet.
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