Veterinary Medicine International / 2010 / Article / Tab 2

Research Article

Effect of Crumble-Pellet and Mash Diets with Different Levels of Dietary Protein and Energy on the Performance of Broilers at the End of the Third Week

Table 2

Weight gain and feed conversion ratio (FCR) of broiler chickens fed on mash and crumble-pellet as affected by various metabolizable energy (ME) and crude protein (CP) levels of the diets* at the end of the third week (mean + SE).

TreatmentsProtein (%)Energy (Kcal/Kg)Diet formWeight gain (g)FCR (g/g)

1st wk2nd wk3rd wk1st wk2nd wk3rd wk

1233200 A 177ab  ± 1.7486a  ± 4.8 951a  ± 5.3.84c  ± 0.0041.13d  ± 0.0091.31e  ± 0.013
2213200 A172b  ± 2.1464b  ± 4.8 905b  ± 6.2.86c  ± 0.0031.15d  ± 0.0091.35d  ± 0.009
3233000 A179a  ± 3.1488a  ± 6.8 936a  ± 10.5.85c  ± 0.0051.14d  ± 0.0111.30e  ± 0.012
4213000 A 177ab  ± 2.2 475ab  ± 4.2 913b  ± 6.4.88c  ± 0.0181.18c  ± 0.004 1.37cd  ± 0.007
5233200 B162c  ± 1.8438c  ± 4.6 842c  ± 4.4.87c  ± 0.0241.18c  ± 0.0161.36d  ± 0.014
6213200 B 156de  ± 1.6422d  ± 3.1 818d  ± 8.5.89bc  ± 0.0201.21c  ± 0.0111.39c  ± 0.004
7233000 B 158cd  ± 1.8420d  ± 3.3 798d  ± 6.4.94ab  ± 0.0321.24b  ± 0.0131.43b  ± 0.013
8213000 B151e  ± 1.6401e  ± 2.4 757e  ± 8.3.95a  ± 0.0071.28a  ± 0.0051.49a  ± 0.008

𝑃 value . 0 0 0 . 0 0 0 . 0 0 0 . 0 0 0 . 0 0 0 . 0 0 0

a-b-c-d Means with lacking common superscripts differ significantly.
*Mean of 7 replicates having 50 birds in each replicate.
**A; crumble-pellet diet, B; mash diet.