Nutrient level of multifunctional composite agents fermented corn straw and its feeding effects to fatening pigs

Li Shu'na;Li Hongya;Liu Li;Xu Lina;Wang Quan;Zhu Baocheng;

multi-functional complex microbial agent;;fermented corn straw;;nutrient level;;fattening pigs;;feeding effect

This paper aims to analysis the nutrient level of fermented corn straw powder with multi-functional complex microbial agent and to examine effects on the productive performance of it whichadded to diets on fattening pigs and to analysis the economic benefit, discuss the practicable of applyfermented corn straw powder on fattening pigs. First, using multi-functional complex microbial agentto prepare fermented corn straw powder, then analysis its conventional nutrient content by Ministry ofAgriculture Feed potency and safety Supervision and Testing Center, Based on this, Added fermenta-tion corn powder straw to the regular diet by a certain percentage and feeding of fatening pig, then ex-amine the effect of fermentation straw on growth-promoting effects to fatening pig. Result showed thatnutrient content of fermented corn straw powder had increased evidently. when fermented straw powderin the proportion of the diet was 10%,FCR decreased 8.06%(P<0.01)compared to the control group,when the proportion reached 20%,FCR decreased 1.73%(P<0.05), when the proportion reached 25%,FCR increased 10.29%(P<0.05). Test group Ⅰfeed prices fell 6.73% than the conventional di-et, the test group Ⅱ feed prices fell 13.13%; thetest group Ⅲ feed prices fell 17.51%; Test groupⅠ,Ⅱ and Ⅲ cost weight gain were respectively14.10%, 14.75% and 8.93% lower than the con-trol group. In summary, the fermented corn straw as a new roughage, its feeding value greatly improved, can be used as a new type of quality high-pro-tein forage used in pig production. And using 10% fermented corn straw powder instead of basal dietscan improve fattening pigs of the feed conversion ratio, decrease the production cost.