Performance traits and selected blood constituents of broiler chicks as influenced by early access to feed post-hatch

被引:6
|
作者
Hassan, Mohamed, I [1 ]
Khalifah, Ayman M. [1 ]
El Sabry, Mohamed, I [2 ]
Mohamed, Abdallah E. [3 ]
Hassan, Saber S. [4 ]
机构
[1] City Sci Res & Technol Applicat SRTA City, Livestock Res Dept, Arid Lands Cultivat Res Inst, Alexandria 21934, Egypt
[2] Cairo Univ, Fac Agr, Dept Anim Prod, Giza, Egypt
[3] City Sci Res & Technol Applicat SRTA City, Soil & Water Technol Dept, Arid Lands Cultivat Res Inst, Alexandria, Egypt
[4] Damanhour Univ, Fac Agr, Anim & Poultry Prod Dept, Damanhour, Egypt
关键词
Early feeding; European production efficiency factor; hematology traits; blood biochemical; Hubbard chicks; GASTROINTESTINAL-TRACT; SPREAD; HATCH; TIME; PARAMETERS; RESPONSES; GROWTH; WATER;
D O I
10.1080/10495398.2022.2124164
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
The present study aimed to investigate the effect of early access to feed and water post-hatch on broiler chicks' performance. One hundred and twenty chicks were transferred from the hatchery to the rearing house and randomly divided into two groups. The first group: chicks were immediately access to feed and water (F-time 0). The second group: was held without feed and water for 24 h (F-time 24). Then, feed and water were provided ad-libitum, for both groups until 35 days of age. Results indicated that F-time 0 increased body weight and body weight gain throughout the experimental period. It increased feed intake during all experimental periods except from (22-28 days). Additionally, the F-time 0 enhanced the European production efficiency factor index. The F-time 24, increased red blood cells (RBCs) count, hemoglobin (HGB), and packed cell volume (PCV) percentage after 24 h. However, the F-time 0 had a higher RBCs count, HGB, and PCV at 35 days of age. F-time 24 increased total plasma protein, albumin, cholesterol, and triglycerides, after 24 h. In conclusion, early access to feed and water post-hatch enhances broiler chicks' performance and productivity and increases producers' revenue.
引用
收藏
页码:2855 / 2862
页数:8
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