芒果视频下载

簡介

吉安(an)紅毛鴨(ya)(ya)原產(chan)于(yu)遂川等縣，是以加工板(ban)(ban)鴨(ya)(ya)為主要用(yong)途(tu)的肉(rou)蛋兼用(yong)型(xing)(xing)品(pin)種(zhong)，是加工"南安(an)板(ban)(ban)鴨(ya)(ya)"和"江西板(ban)(ban)鴨(ya)(ya)"的最(zui)佳原料鴨(ya)(ya)。具有(you)遺傳性能(neng)(neng)穩定(ding)、生產(chan)性能(neng)(neng)良好、耐粗飼、覓(mi)食力強、肉(rou)嫩、瘦肉(rou)率高、羽(yu)毛生長(chang)與體(ti)重增長(chang)同步，加工板(ban)(ban)鴨(ya)(ya)后成品(pin)造型(xing)(xing)呈桃園型(xing)(xing)、皮板(ban)(ban)色澤白亮如玉、肉(rou)質香嫩、成品(pin)出口(kou)率明(ming)顯(xian)高于(yu)其它的品(pin)種(zhong)等特點。

產地環境

吉安位于江西(xi)省中(zhong)(zhong)部，贛(gan)江中(zhong)(zhong)游。地(di)勢上，屬(shu)羅霄山脈中(zhong)(zhong)段，扼湖南(nan)、江西(xi)兩省咽(yan)喉通道。地(di)理上，它(ta)介于北(bei)緯25°58′32″至27°57′50″，東(dong)經113°46′至115°56′之(zhi)間，全市(shi)(shi)(shi)長(chang)約218公(gong)(gong)(gong)里，東(dong)西(xi)寬約208公(gong)(gong)(gong)里，總面(mian)積為25271平方公(gong)(gong)(gong)里。東(dong)鄰撫州(zhou)市(shi)(shi)(shi)的(de)崇仁縣(xian)、樂安市(shi)(shi)(shi)及贛(gan)州(zhou)市(shi)(shi)(shi)的(de)寧(ning)都、興(xing)國縣(xian)，南(nan)連贛(gan)州(zhou)市(shi)(shi)(shi)的(de)贛(gan)縣(xian)區、南(nan)康區、上猶縣(xian)，西(xi)接湖南(nan)省的(de)桂東(dong)、炎陵、茶陵縣(xian)，北(bei)與宜春(chun)市(shi)(shi)(shi)的(de)豐城、樟樹市(shi)(shi)(shi)及新余(yu)市(shi)(shi)(shi)、萍鄉市(shi)(shi)(shi)接壤。

生產性能

8周(zhou)齡(ling)(ling)(ling)前長速(su)與一(yi)般(ban)(ban)麻鴨(ya)(ya)(ya)相似，8周(zhou)齡(ling)(ling)(ling)后，長速(su)較緩慢。放牧飼養17周(zhou)齡(ling)(ling)(ling)平均(jun)體重為(wei)1.35-1.55公(gong)斤,母(mu)鴨(ya)(ya)(ya)一(yi)般(ban)(ban)在20周(zhou)齡(ling)(ling)(ling)開產(chan),29周(zhou)齡(ling)(ling)(ling)左右群體產(chan)蛋率可達50%，72周(zhou)齡(ling)(ling)(ling)內平均(jun)可產(chan)蛋230-240枚(mei)，，平均(jun)蛋重63.5g。種鴨(ya)(ya)(ya)公(gong)母(mu)比為(wei)1:20-25，受精率可達90%，孵化率為(wei)35%左右。健(jian)雛(chu)(chu)率為(wei)98%左右，雛(chu)(chu)鴨(ya)(ya)(ya)4周(zhou)齡(ling)(ling)(ling)內的成活率為(wei)97%。120日齡(ling)(ling)(ling)全(quan)凈膛(tang)率為(wei)75%，屠宰(zai)瘦肉率90日齡(ling)(ling)(ling)母(mu)鴨(ya)(ya)(ya)23%，公(gong)鴨(ya)(ya)(ya)21%，該鴨(ya)(ya)(ya)適宜廣(guang)大農村飼養。