| abstract |
The invention discloses a kind of feeds and preparation method thereof that can improve duck laying rate, the present invention uses roughage, the proportion of concentrated feed and additive, give comprehensive nutrition during duck is fed, wherein the yucca extract in concentrated feed can effectively improve the laying rate of duck's egg, sea salt then improves the taste of feed, in conjunction with the substance for being rich in vitamin and protein, improve duck Lean mass, and duck prefers yellow substance, so, add natural yellow pigment, so that yellow is presented in entire feed, improve the appetite of duck, and building stones then help duck to be digested, promote its metabolic capability, additive includes Chinese medicine additive and nutriment additive, nutriment additive then additionally carries out calcium to duck, P elements, the supplement of vitamin B1 and minerals, winter and summer are for roughage, concentrated feed and additive are taken Different proportions increases the content of concentrated feed and additive intentionally in winter, promotes the cold tolerance of duck. |