Feed additive for improving eggshell quality of old laying hens and preparation method and application thereof

The invention discloses a feed additive for improving the eggshell quality of old laying hens as well as a preparation method and application of the feed additive. The feed additive comprises the following components in parts by weight: 20-30 parts of astragalus membranaceus, 20-30 parts of angelica...

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Bibliographic Details
Main Authors HE GUORU, HUANG ZUYAO
Format Patent
LanguageChinese
English
Published 11.06.2024
Subjects
AGRICULTURE
ANIMAL HUSBANDRY
CARE OF BIRDS, FISHES, INSECTS
FISHING
FODDER
FOODS OR FOODSTUFFS
FORESTRY
HUMAN NECESSITIES
HUNTING
NEW BREEDS OF ANIMALS
REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR
THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
TRAPPING
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Summary:The invention discloses a feed additive for improving the eggshell quality of old laying hens as well as a preparation method and application of the feed additive. The feed additive comprises the following components in parts by weight: 20-30 parts of astragalus membranaceus, 20-30 parts of angelica sinensis, 20-40 parts of herba epimedii, 20-40 parts of semen cuscutae, 20-40 parts of caulis spatholobi, 20-30 parts of glossy privet fruits and 20-40 parts of fructus psoraleae. Astragalus mongholicus, herba epimedii, glossy privet fruit and other medicines in the formula contain a large amount of polysaccharide, so that intestinal flora and oxidation resistance of laying hens are improved, nutrient absorption and metabolism of the laying hens are promoted, uterus and ovary senescence is prolonged, and the effect of improving the quality of eggshells is achieved. The herba epimedii, the semen cuscutae and the fructus psoraleae in the formula can improve the content of calcium ions in serum, promote transfer of t
Bibliography:Application Number: CN202410393154