科寶肉雞飼養(yǎng)管理

1、research and developmentworld tech supportandrew bourne broiler specialist (world technical support )andrew bourne-肉雞專家肉雞專家（世界技術(shù)支持）（世界技術(shù)支持）research and developmentworld tech supportqwhat to expect in the future?qhow to maximise feed intakea。育種趨勢 未來可以期待什么？b。衡量的標(biāo)準(zhǔn)（量化標(biāo)準(zhǔn)是什么）？ 最低成本c。育雛 如何攝入最多的飼料research

2、and developmentworld tech supportresearch and developmentworld tech supporttrait 項(xiàng)目 improvement 進(jìn)展weight體重50 g（克）feed conversion飼料轉(zhuǎn)化率- 0.02eviscerated yield酮體0.1 %breast meat胸肉0.3 %eggs / hen housed入舍母雞產(chǎn)蛋1research and developmentworld tech supportresearch and developmentworld tech supporttrait 項(xiàng)目項(xiàng)目1

3、9942003difference差異差異wt at 4242日齡體重日齡體重2076g2848gwt at 5656日齡體重日齡體重3082g4064g982gdays - 2kg2公斤需要的公斤需要的天數(shù)天數(shù)40.932.9days - 3 kg3公斤需要的公斤需要的天數(shù)天數(shù)54.843.6 11.2 daysresearch and developmentworld tech supportgrand parent祖代祖代male line 公系公系female line 母系母系line 35 x line 35line 58 x line 12line 44line 12parent

4、 stock父母代父母代male parent父母代公雞父母代公雞female parent父母代母雞父母代母雞broiler肉雞肉雞research and developmentworld tech support hybrid vigor improved livability and fcr. little difference in bw & fcr compared to cobb 500 cobb 500 - breast muscle is wider. avian 48 - breast muscle longer & narrow reduced breas

5、t yield but increased drum stick similar wog yield. 高效性能-成活率和肉料比更好 與科寶500相比，體重和肉料筆差異很小 科寶500-胸肉更寬 avian 48-胸肉更長更窄 胸肉率減少，但腿肉更多 出肉率相似research and developmentworld tech supportresearch and developmentworld tech support research and developmentworld tech support research and developmentworld tech suppor

6、t6070809010011065707580859095 100 105 110 115 120 125 130 135 140 145lysine level, % relative to nrcresponses, % relative to 100%body wtfcrwm yieldleast cost way最低的成本方式optimum lysine level最佳的research and developmentworld tech support research and developmentworld tech supportstartergrowerfinishercal

7、cium % 鈣1.051.000.90av. phosphorus %0.500.480.45vitamin d3 (miu/t) 維生素d35.05.05.0research and developmentworld tech support research and developmentworld tech supportresearch and developmentworld tech supportresearch and developmentworld tech supportrotated tibias - perosisperosis = manganese defici

8、ency commonly. tendon slips. in rotated tibias tendon remains in placeinfectious leg disorders or long bone deformities can develop after a nutritional disorder as they weakens the chickens legstd, rickets research and developmentworld tech supportrickets- growth plate lesions normal ca/d deficiency

9、 p deficiencyoften between 2 and 4 weeks of age通常在通常在2-4周期間發(fā)生周期間發(fā)生research and developmentworld tech supporttibial dyschondroplasia (td)ca/p imbalances (normal ratio = 2.1)normally post 4 weeks of age鈣鈣/p 失蘅（正常比例失蘅（正常比例 = 2.1）通常在通常在4周齡以后發(fā)生周齡以后發(fā)生research and developmentworld tech support 為什么要考慮？resea

10、rch and developmentworld tech supportleast cost最低的成本最低的成本 reduced energy and amino acids but well balanced. lowered live weight gain (adg) & increased fcr optimal cost per kilogram of bw 降低能量和氨基酸，但仍然達(dá)到良好的均衡 體重增長率下降，同時， 肉料比（fcr）值升高 最好的 每公斤活雞成本research and developmentworld tech supportlys,total1.2

11、01.101.00lys,dig.1.040.96.87tsaa.89.86.82tsaa,dig.77.75.71threonine.79.75.70calcium.90.88.84av. p.45.42.40sodium.20.17.16me,mj/kg12.4512.7013.20cal:prot142160180least cost最低的成本最低的成本research and developmentworld tech support1.slaughter weight2.slaughter age3.cycle length1.屠宰體重屠宰體重2.屠宰日齡屠宰日齡3.飼養(yǎng)周期飼養(yǎng)周期

12、research and developmentworld tech supportrankcost/lb.weightagelivabilityfcreei125.1527424997.021.75310225.3926924996.311.96270325.5127885096.171.90282425.6626334995.741.96262525.8928385295.451.99262625.9429334994.661.93294726.2227425395.512.00247826.2725925195.411.97246926.426155095.071.982511026.4

13、428925295.581.99267research and developmentworld tech supportus statistical service 2/04cost rankcost/lb.weightagelivabilityfcreei125.1527424997.021.75310625.9429334994.661.932942935.5425744495.861.932881827.1325384796.111.84282325.5127885096.171.902822327.8824704596.651.902822830.0224064495.391.912

14、74225.3926924996.311.962702227.6523974695.631.862692127.4827975195.801.96268research and developmentworld tech supportresearch and developmentworld tech supportresearch and developmentworld tech support measure & benchmark your business! how? answer: weigh each week. measure feed consumption 1st

15、 week! measure daily water consumption benchmark performance with the best 7d bw = 4 day old weight 160-170gramsresearch and developmentworld tech supportresearch and developmentworld tech supportfinancial success chick starthouse preparation feed access + water! litter temp.check chicks regularly t

16、he day of placement.經(jīng)濟(jì)收益 開始育雛準(zhǔn)備雞舍- 準(zhǔn)備充足的飼料和水- 墊料溫度在進(jìn)雛當(dāng)天經(jīng)常檢查雞雛的情況research and developmentworld tech support why? 為什么？1.low feed consumption!or2.feed quality?1.吃料少！ 或2. 飼料質(zhì)量？research and developmentworld tech supportabsorption of yolk - secretion of yolk in the intestine nutrients : 25% protein, 25% l

17、ipids & 50% water + internal organ growth liver, intestines, pancreas grow at 2-5 times faster than the body. proper organ growth needed for digestion. spleen and bursa weights relate to body weight = immunity.蛋黃吸收 - research and developmentworld tech support post hatch - intestine increases in

18、weight quicker than the body max intestine growth for 6 - 10 days post hatch villus height increases 200% 48hr post hatch- villi essential for absorptionresearch and developmentworld tech support digestion - need gastric and pancreatic secretions feed intake increases secretionsresearch and developm

19、entworld tech support additional feeding space for first week 25% brooding area covered with paper 50 - 65g additional feed per chick supplementary trays 1 per 100 chicksresearch and developmentworld tech support refresh feeders 3 times per day starter crumb - 10 days feed & water access run automatic feeders 3 times per dayresearch and developmentworld tech support