科宝肉鸡饲养管理

1、research and developmentworld tech supportandrew bourne broiler specialist (world technical support )andrew bourne-肉鸡专家肉鸡专家（世界技术支持）（世界技术支持）research and developmentworld tech supportqwhat to expect in the future?qhow to maximise feed intakea。育种趋势 未来可以期待什么？b。衡量的标准（量化标准是什么）？ 最低成本c。育雏 如何摄入最多的饲料research

2、and developmentworld tech supportresearch and developmentworld tech supporttrait 项目 improvement 进展weight体重50 g（克）feed conversion饲料转化率- 0.02eviscerated yield酮体0.1 %breast meat胸肉0.3 %eggs / hen housed入舍母鸡产蛋1research and developmentworld tech supportresearch and developmentworld tech supporttrait 项目项目1

3、9942003difference差异差异wt at 4242日龄体重日龄体重2076g2848gwt at 5656日龄体重日龄体重3082g4064g982gdays - 2kg2公斤需要的公斤需要的天数天数40.932.9days - 3 kg3公斤需要的公斤需要的天数天数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父母代公鸡父母代公鸡female parent父母代母鸡父母代母鸡broiler肉鸡肉鸡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 与科宝500相比，体重和肉料笔差异很小 科宝500-胸肉更宽 avian 48-胸肉更长更窄 胸肉率减少，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 % 钙1.051.000.90av. phosphorus %0.500.480.45vitamin d3 (miu/t) 维生素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周期间发生周期间发生research and developmentworld tech supporttibial dyschondroplasia (td)ca/p imbalances (normal ratio = 2.1)normally post 4 weeks of age钙钙/p 失蘅（正常比例失蘅（正常比例 = 2.1）通常在通常在4周龄以后发生周龄以后发生research and developmentworld tech support 为什么要考虑？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，但仍然达到良好的均衡 体重增长率下降，同时， 肉料比（fcr）值升高 最好的 每公斤活鸡成本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.屠宰体重屠宰体重2.屠宰日龄屠宰日龄3.饲养周期饲养周期

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.经济收益 开始育雏准备鸡舍- 准备充足的饲料和水- 垫料温度在进雏当天经常检查鸡雏的情况research and developmentworld tech support why? 为什么？1.low feed consumption!or2.feed quality?1.吃料少！ 或2. 饲料质量？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.蛋黄吸收 - 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