Differentiation of population age groups of captive alpine musk deer (Moschus chrysogaster) based on the visible-near infrared reflectance spectra of their feces Changes of organic acids in composting of hen feces and dairy manure Palynological Study on Yellow Rain in Northern Jiangsu Province Earthworm feces-induced systemic resistance of cucumber against anthracnose Relation of bite size in feces with age and population number of Giant Panda (Ailuropoda melanoleuca) Litter Decomposition of Potentilla fruticosa Shrub and Kobresia humilis Meadow in Qinghai Tibet Plateau