【正文】
ing on longevity and performance,2357 records, L42 PIC sows (Alberta Pig Company2000)PIC42系母豬(mǔ zhū),2357份記錄,首配日齡對(duì)利用年限和性能(x236。,For gilts younger than 145 days of age and /or with less than 14 mm P2 backfat at 110 to 115 kg (final selection) 對(duì)于145日齡時(shí)體重(tǐzh242。ngjūn),3.25,.50,.60,.65,14.0,2.90,90115,3.25,.55,.65,.75,15.5,2.75,7590,3.25,.65,.75,.85,17.0,2.5,5075,3.25,.7,.80,1.05,19.5,1.7,2550,Mcal DE/kg 消化能 (千卡(qiānkǎ)/千克),Phosphorus 磷,Calcium 鈣,Lysine 賴氨酸,Protein 蛋白質(zhì),Feed/d (kg) 日采食 (千克),Wt. (kg) 體重 (千克),第三頁(yè),共四十三頁(yè)。,母豬(mǔ zhū)的飼喂 Feeding Sows,確定母豬飼喂(s236。Nutrition of the Sow 母 豬 的 營(yíng) 養(yǎng),美國(guó)大豆(d224。 w232。,Common targets for replacement gilts 后備(h242。ng)小于 110115千克體重(tǐzh242。ngn233。)和晚成熟(ch233。 sh237。ngn233。,目標(biāo)是,各胎次母豬分娩時(shí)的P2背膘厚都應(yīng)為1820毫米(h225。,妊娠(r232。 w232。,妊娠期胎兒(tāi 233。,泌乳期 LACTATION,最大限度(xi224。,許多(xǔduō)母豬都不能攝入足夠的能量和養(yǎng)分以滿足自身的需要 Many sows do not consume sufficient energy and/or nutrients to meet their requirements,后果 Consequence 失重過(guò)多會(huì)導(dǎo)致泌乳量和繁殖性能降低,并提早(t237。ngn233。,在泌乳期的任何一周限制養(yǎng)分都會(huì)顯著(xiǎnzh249。,由于(y243。,泌乳(m236。,(30個(gè)豬場(chǎng)(zhū chǎnɡ),共11,700頭母豬),第二十八頁(yè),共四十三頁(yè)。i)方式 Pattern of Feeding During Lactation,逐漸增加采食量到滿足母豬的食欲,這可能需要每天飼喂(s236。n nǎi),保持最低目標(biāo)水平 Hold at minimum target level.,Day 8 12 第 8 12 天,增加日采食量,以達(dá)到泌乳第7天的目標(biāo). Increase feed intake daily to meet minimum target by day 7 of lactation,Day 3 – 7 第3 7 天,2.5,Day 1 and 2 第 1 和第 2 天,1.5 to 2.0,Day of Farrowi