首页|Effects of steam-flaked corn on the performance and blood biochemical parameters in finishing steers
Effects of steam-flaked corn on the performance and blood biochemical parameters in finishing steers
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This paper aims at studying the effect of steam-flaked corn instead of corn in the diet for finishing steers on the growth performance and blood biochemical parameters.A single-factor design was used.There were 28 simmental crossbred steers with the similar bodyweight (414.4±29.3 kg,P＞0.05) selected and allotted to four groups with seven duplicates in each group.Steam-flaked corn replaced the proportion of normal cracked corn,which was of 0,30％,60％,or 90％ in the concentrate of Groups 1,11,111,or ⅣV,respectively.The results showed that the steam-flaked corn replacing ordinary cracked corn could significantly improve the growth of steers.The daily growth rate (ADG) was increased by about 37.16％ from 985.3 g/d to 1351.4 g/d.The feed efficiency was significantly improved by 27.46％.The feed to gain ratio was decreased from 5.68 to 4.12.Serum urea nitrogen was decreased from 4.59 mmol/L to 3.66 mmol/L.Under the experiment conditions,steam-flaked corn replacing ordinary cracked corn could increase the feed efficiency with an optimal replacing ratio of 90％.
steam-flaked cornfeed to gain ratiodaily growth rate (ADG)digestibilityblood biochemical parameters
Ruijing LI、Yufeng CAO、Yanxia GAO、Qiufeng LI、Jianguo LI
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College of Animal Science and Technology, Agricultural University of Hebei, Baoding 071001, China
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