育成雞係指6周齡後至開產前這一生長發育階段的雞。對烏骨雞來說,即指7~25周齡的雞。育成雞培育的好壞,直接影響成年後的產蛋量和種用價值。因此應重視育成雞的飼養。
1.分段飼養
genjuyuchengjishengchangfayubutongjieduanduiyingyangwuzhidebutongxuyao,jiangyuchengwugujifenweijigejieduan,binggenjuqiwendebianhuayuyitiaozheng,zheyangbujinshisiyanggengquheli,hainengjieshengsiliaokaizhi,yinerbeipubiancaiyong。zongdeqingkuangshiyuchengjisiliangyidinengliang、低di蛋dan白bai為wei特te點dian,適shi當dang喂wei些xie糠kang麩fu類lei飼si料liao和he青qing綠lv飼si料liao,這zhe樣yang有you利li於yu鍛duan煉lian雞ji的de胃wei腸chang消xiao化hua機ji能neng和he耐nai粗cu飼si能neng力li,為wei開kai產chan後hou多duo采cai食shi和he增zeng強qiang消xiao化hua能neng力li打da下xia基ji礎chu,這zhe對dui維wei持chi高gao產chan穩wen產chan十shi分fen有you利li。另ling外wai,育yu成cheng階jie段duan喂wei給gei含han鈣gai較jiao低di的de日ri糧liang,有you利li於yu母mu雞ji提ti高gao體ti內nei保bao留liu鈣gai的de能neng力li。當dang開kai產chan後hou,日ri糧liang中zhong鈣gai的de含han量liang提ti高gao時shi,母mu雞ji能neng繼ji續xu保bao持chi這zhe種zhong保bao留liu鈣gai的de能neng力li,這zhe對dui提ti高gao產chan蛋dan量liang和he蛋dan殼ke質zhi量liang都dou有you良liang好hao效xiao果guo。
2.放牧飼養
放牧飼養就是把育成雞放到野外去養。凡有荒山、果園、竹林的地方,都可進行放牧飼養。雞在寬廣的放牧場地上,能得到充足的陽光、新鮮空氣和運動,可以啄食青草、蟲蛹、腐(fu)植(zhi)質(zhi)和(he)砂(sha)礫(li)等(deng)各(ge)種(zhong)營(ying)養(yang)豐(feng)富(fu)的(de)食(shi)料(liao)。農(nong)作(zuo)物(wu)收(shou)獲(huo)後(hou),還(hai)有(you)不(bu)少(shao)落(luo)粒(li)穀(gu)物(wu)以(yi)及(ji)野(ye)草(cao)種(zhong)子(zi)等(deng)可(ke)供(gong)雞(ji)群(qun)利(li)用(yong),既(ji)節(jie)省(sheng)飼(si)料(liao),又(you)能(neng)使(shi)育(yu)成(cheng)雞(ji)增(zeng)強(qiang)體(ti)質(zhi),增(zeng)進(jin)生(sheng)長(chang)發(fa)育(yu),提(ti)高(gao)育(yu)成(cheng)率(lv)。因(yin)此(ci),凡(fan)有(you)放(fang)牧(mu)條(tiao)件(jian)的(de)地(di)方(fang),都(dou)應(ying)提(ti)倡(chang)田(tian)野(ye)放(fang)牧(mu)。
放fang牧mu飼si養yang多duo采cai用yong雞ji籠long或huo活huo動dong雞ji舍she放fang送song雞ji群qun,使shi雞ji白bai天tian到dao野ye外wai自zi由you覓mi食shi,傍bang晚wan自zi由you歸gui舍she。放fang牧mu頭tou幾ji天tian不bu要yao讓rang雞ji遠yuan離li雞ji舍she,待dai其qi熟shu悉xi進jin舍she路lu線xian後hou,才cai可ke遠yuan放fang。一yi般ban每mei天tian早zao晚wan需xu補bu飼si部bu分fen飼si料liao,不bu可ke全quan靠kao放fang牧mu。補bu飼si時shi可ke用yong一yi定ding聲sheng響xiang為wei信xin號hao,逐zhu漸jian使shi雞ji群qun建jian立li起qi條tiao件jian反fan射she,以yi方fang便bian管guan理li。注zhu意yi供gong給gei清qing潔jie、充足的飲水。加強對雞群的看護,要搭建簡易蔭棚,防止獸害,防止雨淋。
3.補喂砂礫
雞ji口kou腔qiang內nei沒mei有you牙ya齒chi,不bu能neng咀ju嚼jiao食shi物wu。雞ji采cai食shi的de堅jian硬ying飼si料liao靠kao在zai胃wei中zhong磨mo碎sui。育yu成cheng雞ji添tian喂wei砂sha礫li後hou,可ke以yi幫bang助zhu肌ji胃wei磨mo碎sui食shi物wu,提ti高gao雞ji隻zhi的de消xiao化hua能neng力li和he飼si料liao利li用yong率lv,並bing可ke避bi免mian肌ji胃wei逐zhu漸jian縮suo小xiao。據ju有you關guan試shi驗yan報bao道dao,肌ji胃wei中zhong有you砂sha礫li時shi,可ke使shi顆ke粒li飼si料liao的de消xiao化hua率lv提ti高gao10%,使粉料的消化率提高3%。喂給育成雞砂礫的數量和規格為:每100隻雞每周飼喂量,7~10周齡為450克,砂礫直徑1毫米;11~17周齡700克,砂礫直徑3毫米;18~25周齡1 000克,砂礫直徑4毫米。添喂的方法一般是拌入飼料中飼喂。砂礫必須清潔衛生,可用清水衝洗幹淨,也可用鍋炒消毒。
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