【正文】 和俄羅斯的強勁需求帶動。在經(jīng)歷了 2006 年上半年大幅下跌的走勢之后，國內(nèi)生豬及豬肉產(chǎn)品價格自 2006 年下半年開始持續(xù)走高，多個地區(qū)價格創(chuàng)10 年來的歷史新高。據(jù)農(nóng)業(yè)部公布的對全國 450 個畜產(chǎn)品及飼料價格信息點的最新調(diào)查統(tǒng)計，2007 年上半年，全國主要畜產(chǎn)品價格出現(xiàn)大幅上漲。 國內(nèi)生豬價格持續(xù)走高的具體原因如下：（1）生豬存欄量下降、貨源緊缺，是導致生豬價格升高的最主要因素；（2）玉米和魚粉是養(yǎng)殖業(yè)主要飼料原料，它們價格的上漲是生豬價格上漲的一個重要支撐；（3）仔豬貨源緊缺，價格上升，養(yǎng)殖戶補欄積極性不高成為支撐生豬價格上漲的又一重要因素；（4）去冬今春南方的冰雪災害等多種惡劣的氣候因素也對生豬價格產(chǎn)生一定程度的影響；（5）豬高熱病的時有發(fā)生也對我國生豬價格產(chǎn)生了一定的影響。 場址建設(shè)條件 一、自然資源： 1. 土地資源。 鏡鐵山礦鐵礦石總儲量為 億噸，現(xiàn)已建成 500 萬噸的生產(chǎn)能力，是國內(nèi)最大的坑采冶金礦山； 西溝石灰石礦儲量為 億噸，為露天開采，年產(chǎn)量 80 萬噸；大草灘造型粘土總儲量為 9800 萬噸。城市供水綜合生產(chǎn)能力 萬 m3/日，供水能力尚富余 萬 m3/日。嘉峪關(guān)地處古“絲綢之路”的交通要沖，又是明代萬里長城的西端起點。自然降水量年平均 ，蒸發(fā)量 2149ml。 2006 年，全年實現(xiàn)地區(qū)生產(chǎn)總值 億元，按可比價計算，比上年增長 15 %。其中，規(guī)模以上工業(yè)實現(xiàn)增加值 億元，%。酒鋼集團公司改革與發(fā)展的勢頭日益強勁，已形成從“采、選、燒”到“鐵、鋼、材”完整配套的生產(chǎn)體系和以鋼鐵產(chǎn)品為主、多元化經(jīng)營為輔的新格局。2. 農(nóng)業(yè)：嘉峪關(guān)市是一個新興的工業(yè)城市，城市大、農(nóng)村小， 屬城郊型農(nóng)業(yè)，是城市重要的副食品基地。 %的農(nóng)民住上了寬敞、明亮的小康房。酒鋼公司在建的 25 萬kw 熱電廠今年即可建成，實現(xiàn)熱電聯(lián)產(chǎn)，全市公用設(shè)施和居民家庭將實現(xiàn) 24 小時供應熱水，可滿足城市十年內(nèi)發(fā)展的供熱需求。 國道312 線二級寬幅公路縱貫全境，東至省會蘭州、西至烏魯木齊、南到西寧、北經(jīng)馬鬃山邊境口岸到蒙古國，都有公路通達，是《甘肅道路運輸十五規(guī)劃》中確定的三大物流基地之一。嘉峪關(guān)機場是具有二級夜航標準的 3C 級機場，也是亞歐航線的空中管制點和備降機場。 總平面布局 布局原則：在滿足生產(chǎn)工藝流程的前提下，做到功能分區(qū)明確。 ：場內(nèi)建筑物在滿足衛(wèi)生防疫和建筑防火間距的前提下，各建筑物布局應緊湊、整齊，以節(jié)約土地和基建投資，做到經(jīng)濟實用，科學合理。為了便于防疫管理，生產(chǎn)區(qū)分為：種豬區(qū)、保育區(qū)和肥豬區(qū)。更衣、淋浴間設(shè)在進入生產(chǎn)區(qū)的門口，每天生產(chǎn)人員進出生產(chǎn)區(qū)必須更衣、消毒。該區(qū)四周設(shè)有隔離帶，是相對獨立的區(qū)域，進入該區(qū)的人員車輛必須消毒。 （4）糞污處理區(qū) 本場主要由堆糞場、污水處理設(shè)施組成，生產(chǎn)污水及糞污排到糞污處理區(qū)統(tǒng)一處理。場內(nèi)使用拖拉機、鏟車等運輸工具。清潔道主要用于飼料運送。場區(qū)道路總面積 18660 m2，見總平面布置圖。場區(qū)主干道兩側(cè)以喬、灌植物結(jié)合，達到防風、防塵，防污染的目的。喬木類的大葉楊、早柳、鉆天楊、榆樹及常綠針葉樹等；灌木類的河柳、紫穗槐、側(cè)柏等起到防風阻沙等作用。 場區(qū)技術(shù)經(jīng)濟指標表32 場區(qū)技術(shù)經(jīng)濟指標項目指標值總面積 （m2 ）480000筑物面積（m2 ）容積率（%）8路面積（m2 ）18660墻長度（m)3100化面積（m2 ）30000第 4 章 項目設(shè)計（建設(shè)）方案 生產(chǎn)規(guī)模飼養(yǎng)二元雜交基礎(chǔ)母豬 3000 頭，終端父本公豬 60 頭，全場常年存欄各類豬 33800 頭，年出欄生產(chǎn)商品肉豬 50000—51000 頭，分為三個單元（一個萬頭豬場及兩個兩萬頭豬場）豬場生產(chǎn)。 品種父本：杜洛克（D）終端父本公豬 60 頭。 三元雜交采用人工采精、人工授精。 喂飼：采用機械喂飼方式。 分娩母豬采用高床養(yǎng)殖，每欄 1 窩。 生產(chǎn)工藝流程 豬場采用現(xiàn)代生產(chǎn)工藝流程進行生產(chǎn)。豬群轉(zhuǎn)出后，保證一周的空舍，沖洗，消毒。 86 off here,39。 Is this Woodford Green ?39。 I forgot to put you off.39。 I said. 39。We are going back now,39。This is the prettiest carpet I have ever seen,39。 At last firemen have put out a big forest fire in California. Since then, they have been trying to find out how the fire began. Forest fire are often caused by broken glass or by cigarette ends which people carelessly throw away. Yesterday the firemen examined the ground carefully, but were not able to find any broken glass. They were also quite sure that a cigarette end did not start the fire. This morning, however, a fireman accidentally discovered the cause. He noticed the remains of a snake which was wound round the electric wires of a 16,000volt power line. In this way, he was able to solve the mystery. The explanation was simple but very unusual. A bird had snatched up the snake from the ground and then dropped it on to the wires. The snake then wound itself round the wires. When it did so, it sent sparks down to the ground and these immediately started a fire.After breakfast, I sent the children to school and then I went to market. It was still early when I returned home. The children were at school, my husband was at work and the house was quiet. So I decided to make some tarts for tea. In a short time I was busy mixing butter and flour and my hands were soon covered with sticky pastry. At exactly that moment, the telephone rang. Nothing could have been more annoying. I picked up the receiver between two sticky fingers and was dismayed when I recognized the voice of Mrs Bates. It took me ten minutes to persuade her to ring back later. At last I hung up the receiver. What a mess! There was pastry on my fingers, on the telephone, and on the doorknobs. I had no sooner got back to the kitchen than the doorbell rang loud enough to wake the dead. This time it was the postman and he wanted me to sign for a registered letter !Dreams of finding lost treasure almost came true recently. A new machine called 39。. Because the tree was mentioned in a newspaper, the number of visitors to Frinley has now increased. The tree was planted near a church fifty years ago, but it is only in recent years that it has gained an evil reputation. It is said that if anyone touches the tree, he will have bad luck。Lesson59 In or out ？ 進來還是出去？The tiny village of Frinley is said to possess a 39。 has been invented and it has been used to detect gold which has been buried in the ground. The machine was used in a cave near the seashore whereit is saidpirates used to hide gold. The pirates would often bury gold in the cave and then fail to collect it. Armed with the new machine, a search party went he did not like it. She enjoyed herself making the assistant bring almost everything in the window before finally buying the dress she had first asked for.You don39。Lesson52 A pretty carpet 漂亮的地毯Lesson51 Reward for virtue 對美德的獎賞Well, in that case, I prefer to stay on the bus,39。ll get off here.39。It doesn39。Oh dear,39。This is as far as we go.39。 表 42 豬場主要建（構(gòu)）筑物一覽表序號項目名稱棟數(shù)每棟面積(m2 )合計面積(m2)長寬面積1種豬舍12母豬舍568733分娩舍54保育舍55育成育肥舍18136隔離豬舍17門衛(wèi)消毒室18畜牧獸醫(yī)室1554549污水池3608048001440010大門及門衛(wèi)256306011辦公室18312職工宿舍113食堂114出豬臺23261215地磅及地磅房1653030合計16圍墻長度(m)3100310017道路面積(m2)1866018660 建筑形式 豬舍：根據(jù)當?shù)貧夂驐l件,全部豬舍采用封閉有窗式結(jié)構(gòu)，主體骨架采用熱鍍鋅裝配式，防腐性能好，現(xiàn)場裝配簡單快捷；屋頂覆蓋應做好隔熱防寒，以最大限度降低輻射熱，覆蓋物采用 100mm 厚彩鋼夾芯板；通風方式以側(cè)窗自然通風為主，結(jié)合屋頂自然通風機，使舍內(nèi)達到通風換氣的需要，各類豬舍的結(jié)構(gòu)型式及配置見表 43。按工廠化流水作業(yè)生產(chǎn)方式進行轉(zhuǎn)群。 育肥豬采用地面群欄飼養(yǎng)，由保育豬原窩轉(zhuǎn)飼。 空懷母豬群欄飼養(yǎng)，每欄 4 頭。圖 41 肉豬雜交模式 主要生產(chǎn)指標平均窩產(chǎn)活仔豬數(shù)（頭） 10 哺乳仔豬成活率（%） 92 保育仔豬成活率（%） 95 母豬淘汰率（%） 34 公豬淘汰率（%） 40 育成育肥豬成活率（%） 98 產(chǎn)仔哺乳期（周） 4斷奶仔豬保育期（周） 6 育成育肥豬期（周） 15 平均年產(chǎn)仔窩數(shù)（窩） 豬場各類豬群存欄數(shù)見表 41。來源：外面引進。實施國內(nèi)外通用的雜交組合技術(shù)，