基于数学建模的生猪养殖场经营管理分析

20151728424100092816MATLAB22098797215S815.4A1009-1114201502-0084-08ManagementofPigFarmsBasedonOptimizationModelLIUYou-Xin&CONGSong&KONGMeng&GUOQian-chengAbstract:Themathematicalmodelandtheoptimalmanagementstrategyweresetupforpigfarmsforthepurposeofitsbetterprofitability.Firstly,weestablishedtheprofitfunctionofpigfarmsbyusingincomefunction,andthenwegotyearlyaveragebearingamountof14to16byuseofthebreak-evenpointprinciple.Secondly,inconsiderationoflivabilityofsucklingpigs,pigletsandhogs,withthemethodofartificialinsemination,wecouldestimatetheirrespectiveamountandfurtherthattherateofpigletschosenasbreedingpigswas1.45%,andlivestockofsowswas928.Thirdly,wedivided928sowsinto16groupsandsetupanincomeoptimizationmodelforeachgroup.Withoutregardtothegovernmentsubsides,theaverageannualprofitcalculatedthroughMATLABis2.2million.Whenthepriceoflivepigsislowerthanthebreedingcost,wewilldisposepigbreedsninemonthbeforesothatonly879sowsand7215hogswillbeonhandatleast.Keywords:thebreak-evenpoint;optimizationmodel;livability;managementstrategy.1.1000012293992.8511248816-810000321010/2.2365/2.2/10=161093.1234564.c::c:cc:c:c::p:ik201517286:n:m:0x:x5.5.13542.21/80x2ccxcxcxknxcxpxknxPii−−−−−−−=00000008181)81()81(,100001000081000≤++xxknxi—0≥n≤++≥−−−−−−10000810)81(81)81(000000000xxknxccxknxcxcxpxknxiiiiiikxxnckxpkxccxcxcxpx000000008910000-81-8181−≤≤+++MATLAB1876007.6115.217007.4114.818007.2514.519007.1414.2710007.0414.095.232.292%98%x92.2%98%920×××=xx……100:12=k22092.2%98%92kxkx××××=×……818192.2%98%92810××××=×xx……2015172880x0x4198%%986522.2992.2%98%92×××××××x……495%95%4%985522.2992.2%98%92×××××××××x……1498%1498%95%4%985522.2992.2%98%92×××××××××××x……10000+++++≤10000+++++≤10000MATLABx=16568x0x=9282l0xx20kxxkxxkxxl+++=20020024/)(……MATLAB2l=1.45%5.34010162.24158××i)16,2,1(=i654321,,,,,iiiiiitttttt162,1=i)6,,2,1,16,2,1(==jizij=1ijz=01089=∈108321Ttij)(ijty=4.134.196.194.19)(ijty5.1)(×ijty==+−=−×+××612216121)5.15.1)((522))1958)(5.1958)((jijijijjijijijijzggzgtygztyzgty=+++×+×+61)9*588.8588.858-195895858(jijijcccczczc])(8.858-152258[61=+++++=jijijcccczczc])(8.858-152258[)5.15.1)(((52261221=+++++−+−jijijijijijcccczczczggzgtys.t.==≤≥−≥−≥−≥−≥−6,,2,110108116161616166543215645342312izttttttttttttttttijiiiiiiiiiiiiiiii16928])(8.858-152258[)5.15.1)(((522max16161221==+++++−+−ijijijijijijcccczczczggzgty201517290s.t.===≤≥−≥−≥−≥−≥−6,2,116,2,11,0108116161616166543215645342312jiorztttttttttttttttttijijiiiiiiiiiiiiiiii1=ijzij0=ijzij1185.45001252.670451120016MATLAB4218.1210111741D2.6.12D3.2.2D3.12.22D4.6.12D4.11.22D5.5.25861602D2.6.22D3.2.2D3.12.22D4.6.12D4.11.22D5.5.2596603D2.7.2D3.2.2D3.12.22D4.6.12D4.11.22D5.5.25861604D2.7.12D3.2.2D3.12.22D4.6.12D4.11.22D5.5.25652805D2.7.22D3.2.2D3.12.22D4.6.12D4.11.22D5.5.25705006D2.8.2D3.2.2D3.12.22D4.6.12D4.11.22D5.5.25757207D2.8.12D3.2.2D3.12.22D4.6.12D4.11.22D5.5.25809408D2.8.22D3.2.2D3.12.22D4.6.12D4.11.22D5.5.25861609D2.9.2D3.2.12D4.1.2D4.6.12D4.11.22D5.5.258094010D2.9.12D3.2.22D4.1.2D4.6.12D4.11.22D5.5.255484011D2.9.22D3.3.2D4.1.2D4.6.12D4.11.22D5.5.252352012D2.10.2D3.3.12*D4.1.2D4.6.12D4.11.22D5.5.29632013D2.10.12D3.3.22*D4.1.2D4.6.12D4.11.22D5.5.27022014D2.10.22D3.4.2*D4.1.2D4.6.12D4.11.22D5.5.22846015D2.11.2D3.4.12*D4.1.2D4.6.12D4.11.22D5.5.22846016D2.11.12D3.4.22*D4.1.2D4.6.12D4.11.22D5.5.2128006543100916.6.16.2[1],..[J].,2012(01):7-8.[2],.[J].,2013(03):220-223.[3].[EB/OL].[4],.[J].,2010(09):15-16.[5],.[M].:,2006.[6],.()[M].:,2014.[7].[J].,2013(04).[8]10000[R].,2013(4):21-22.