兔毛賣出好價錢，前提是知道自己的毛“值多少錢”。兔毛分級有嚴格的行業標準，山東省早在2016年就發布了《長毛兔兔毛分級標準》（DB37/T 2832-2016），對兔毛的分類方法、檢驗方法、定級原則等都做了明確規定。

The prerequisite for selling rabbit fur at a good price is knowing how much your fur is worth. There are strict industry standards for the classification of rabbit hair. As early as 2016, Shandong Province issued the "Classification Standards for Long Hair Rabbit Hair" (DB37/T 2832-2016), which clearly stipulates the classification methods, inspection methods, grading principles, etc. for rabbit hair.

商業分級的核心指標主要有三個：長度、顏色、粗毛含量。

The core indicators of commercial grading mainly include three: length, color, and coarse hair content.

特級兔毛：長度5.7厘米以上，純白、全松，粗毛含量不超過10%。這是兔毛中的頂級產品，價格非常高。

Special grade rabbit hair: with a length of 5.7 centimeters or more, pure white, completely loose, and a coarse hair content of no more than 10%. This is the top product in rabbit hair, with the highest price.

一級兔毛：長度4.7厘米以上，純白、全松，粗毛含量不超過10%。與特級的主要差距在于長度。

First grade rabbit hair: with a length of 4.7 centimeters or more, pure white, completely loose, and a coarse hair content of no more than 10%. The main difference with the premium is the length.

二級兔毛：長度3.7厘米以上，純白、全松，粗毛含量不超過20%。允許略帶能撕開、不損品質的纏結毛。

Second grade rabbit hair: over 3.7 centimeters in length, pure white, completely loose, with a coarse hair content of no more than 20%. Allow slightly tangled hair that can be torn open without compromising quality.

三級兔毛：長度2.5厘米以上，純白全松毛，粗毛含量標準略寬。

Third grade rabbit fur: with a length of 2.5 centimeters or more, pure white all pine fur, and a slightly wider standard for coarse fur content.

兔毛的形態分類同樣重要。兔毛按形態分為細毛、粗毛和兩型毛三類——細毛占85%-90%，粗毛占5%-10%，其余為兩型毛。粗毛含量高的兔毛更受市場歡迎，價格也更高。

The morphological classification of rabbit hair is equally important. Rabbit hair is divided into three types based on morphology: fine hair, coarse hair, and two types of hair - fine hair accounts for 85% -90%, coarse hair accounts for 5% -10%, and the rest are two types of hair. Rabbit hair with high coarse hair content is more popular in the market and has a higher price.

國家標準體系方面，GB/T 13832《安哥拉兔（長毛兔）兔毛》對兔毛的分類、技術要求、檢驗方法、檢驗規則及包裝、標志、儲存、運輸等都做出了規定。為解決僅依據文字標準進行品質分類容易出現偏差的問題，國家還研制了GSB 16-3743—2020《安哥拉兔（長毛兔）兔毛——白色原毛分級標準樣品》。這一標準樣品通過均勻性分析、穩定性分析、定值測試等程序研制而成，補充和完善了文字標準的不足。

In terms of national standard system, GB/T 13832 "Angora Rabbit (Long haired Rabbit) Rabbit Hair" provides regulations on the classification, technical requirements, inspection methods, inspection rules, packaging, labeling, storage, transportation, etc. of rabbit hair. To solve the problem of deviation in quality classification based solely on textual standards, the country has also developed GSB 16-3743-2020 "Angora Rabbit (Long haired Rabbit) Rabbit Hair - White Raw Hair Grading Standard Sample". This standard sample was developed through procedures such as uniformity analysis, stability analysis, and constant value testing, supplementing and improving the shortcomings of textual standards.

養毛期長短影響分級。研究證明，長毛兔剪毛后的1個月內兔毛生長非?？?，第2個月次之，第3個月毛的生長速度減慢。將養毛期由91天改為61天，年總產毛量可提高20-25%。這也是沂蒙巨型長毛兔采用73天剪毛周期的科學依據。

The length of the hair growth period affects grading. Research has shown that long haired rabbits have the fastest hair growth within one month after shearing, followed by the second month, and the hair growth rate slows down in the third month. Changing the hair growth period from 91 days to 61 days can increase the total annual hair production by 20-25%. This is also the scientific basis for the Yimeng Giant Long haired Rabbit to adopt a 73 day shearing cycle.

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