【摘要】：壩上長(zhǎng)尾雞是我國(guó)一種獨(dú)特的地方品種,原產(chǎn)地種群數(shù)量較少,近年來(lái)由于外來(lái)品種的入侵雜化,該雞品種特質(zhì)退化嚴(yán)重,種群中純種雞的數(shù)量日漸減少,其在原產(chǎn)地更是沒(méi)有形成現(xiàn)代化養(yǎng)殖方式。出于保護(hù)該地方品種,維持物種多樣性的目的,我們需對(duì)其進(jìn)行研究開發(fā)。本研究以出雛時(shí)鑒定過(guò)羽速的壩上長(zhǎng)尾雞育成雞為樣本,按不同羽色分為6組,測(cè)量8、10、12、14、16、18、20周齡和200日齡體重、體尺,8周齡羽毛長(zhǎng)度,測(cè)量8、10、12、14、16、18、20周齡羽毛退換情況及待產(chǎn)蛋開始時(shí)記錄初產(chǎn)相關(guān)體尺,主要的到的結(jié)果如下:1.這個(gè)育成期期間羽色、羽速比例基本不變;2.整個(gè)育成期期間體重漸漸由羽速對(duì)其影響顯著(p0.05)轉(zhuǎn)變?yōu)樾詣e因素對(duì)其影響顯著(p0.05);3.羽速對(duì)生長(zhǎng)發(fā)育影響則一直顯著(p0.05),在同羽色、羽速群體間,性別因素對(duì)生長(zhǎng)發(fā)育的影響顯著(p0.05);4.羽色對(duì)生長(zhǎng)發(fā)育的影響并不顯著(p0.05);
[Abstract]:Bashang long-tailed chicken is a unique local breed in China, with a small number of native populations. In recent years, due to the invasion and hybridization of exotic species, the traits of this breed have been degraded seriously, and the number of pure-bred chickens in the population has been decreasing day by day. Its origin is not formed a modern way of breeding. In order to protect the local variety and maintain the diversity of species, we need to research and develop it. In this study, the brooding chickens were divided into 6 groups according to their different colors. The body weight, body size and feather length of 8 weeks were measured at 20 weeks and 200 days of age, respectively. The changes of feathers at the age of 18 ~ 20 weeks and the relative body sizes at the beginning of the egg were measured. The main results are as follows: 1. During this growing period, the proportion of feather speed is basically unchanged; 2. During the whole growing period, body weight gradually changed from plumage speed (p0.05) to sex factor (p0.05). The effect of feather speed on growth and development was significant (p0.05), and the effect of sex on growth and development was significant (p0.05) among the populations with the same feather color and feather speed (p0.05); 4. The effect of feather color on growth and development was not significant (p0.05).
【學(xué)位授予單位】：河北科技師范學(xué)院
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：S831

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本文編號(hào)：2286422