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蛋雞養殖多長(cháng)時(shí)間淘汰

分類(lèi)：公司新聞
發(fā)布時(shí)間：2020-07-17 16:06
訪(fǎng)問(wèn)量：

【概要描述】雞的產(chǎn)蛋量第一年最多,第二年減少15%,死亡率增加15%左右,如采用強制換羽可再產(chǎn)蛋6~8個(gè)月后淘汰。
從產(chǎn)蛋情況看、蛋用雞80%以上產(chǎn)蛋率的個(gè)體至開(kāi)產(chǎn)400天后,一直趨于下降;因而,雞群在開(kāi)產(chǎn)300天后淘汰低產(chǎn)個(gè)體,開(kāi)產(chǎn)500天后產(chǎn)蛋顯著(zhù)下降,當產(chǎn)蛋率降至65%以下時(shí),更新雞群。病弱雞體質(zhì)虛弱,冠萎縮,顏色不新鮮,恥骨間距小,嘴、腿、皮膚黃,動(dòng)作遲鈍,不愛(ài)吃食,腹部狹小,肛門(mén)緊縮、干燥,步態(tài)無(wú)力,糞便不正常,對這樣的雞要盡早淘汰,以減少疾病傳播。

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

蛋雞養殖多長(cháng)時(shí)間淘汰

【概要描述】雞的產(chǎn)蛋量第一年最多,第二年減少15%,死亡率增加15%左右,如采用強制換羽可再產(chǎn)蛋6~8個(gè)月后淘汰。
從產(chǎn)蛋情況看、蛋用雞80%以上產(chǎn)蛋率的個(gè)體至開(kāi)產(chǎn)400天后,一直趨于下降;因而,雞群在開(kāi)產(chǎn)300天后淘汰低產(chǎn)個(gè)體,開(kāi)產(chǎn)500天后產(chǎn)蛋顯著(zhù)下降,當產(chǎn)蛋率降至65%以下時(shí),更新雞群。病弱雞體質(zhì)虛弱,冠萎縮,顏色不新鮮,恥骨間距小,嘴、腿、皮膚黃,動(dòng)作遲鈍,不愛(ài)吃食,腹部狹小,肛門(mén)緊縮、干燥,步態(tài)無(wú)力,糞便不正常,對這樣的雞要盡早淘汰,以減少疾病傳播。

分類(lèi)：公司新聞
作者：
來(lái)源：
發(fā)布時(shí)間：2020-07-17 16:06
訪(fǎng)問(wèn)量：

詳情

雞的產(chǎn)蛋量第一年最多,第二年減少15%,死亡率增加15%左右,如采用強制換羽可再產(chǎn)蛋6~8個(gè)月后淘汰。

從產(chǎn)蛋情況看、蛋用雞80%以上產(chǎn)蛋率的個(gè)體至開(kāi)產(chǎn)400天后,一直趨于下降;因而,雞群在開(kāi)產(chǎn)300天后淘汰低產(chǎn)個(gè)體,開(kāi)產(chǎn)500天后產(chǎn)蛋顯著(zhù)下降,當產(chǎn)蛋率降至65%以下時(shí),更新雞群。病弱雞體質(zhì)虛弱,冠萎縮,顏色不新鮮,恥骨間距小,嘴、腿、皮膚黃,動(dòng)作遲鈍,不愛(ài)吃食,腹部狹小,肛門(mén)緊縮、干燥,步態(tài)無(wú)力,糞便不正常,對這樣的雞要盡早淘汰,以減少疾病傳播。

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