专业英语1专题省名师优质课赛课获奖课件市赛课一等奖课件.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,本资料仅供参考，不能作为科学依据。谢谢,Animal Science,in English,Objectives,to learn scientific terms,to orally describe science,第1页,1.Introduction,Livestock,production on farm and ranches（大牧场）today is not considered a craft or an art by successful producers.,It is a competitive business where management decisions are based on scientific principles.,第2页,Livestock industry,畜牧业,Livestock production,畜牧生产,Livestock producer,养畜者，畜牧经营者,Livestock farm,畜牧场,Livestock management,家畜管理,Livestock,家畜,第3页,The same is true in the,feed industry,（,饲料工业,）where electronic calculators and automatic,blending,（,匀浆、混合,）equipment are replacing the pencil and scoop shovel（,勺子、铲子,）.,第4页,Feed,foodstuff,feedstuff,feeding stuff,饲料,Feed industry,饲料工业,Feed formula,饲料配方,Feed formulation,饲料配合,Feed processing,饲料加工,Feed production,饲料生产,第5页,In the,meat industry,(,肉品业,),assembly-line,(,组装流水线,)smoking of bacon with electrically charged smoke particles is being tried.Meat is preserved by refrigeration,irradiation(,辐射,),and antibiotics(,抗生素,),rather than in salt barrels(,桶,)。,第6页,Similar developments in all phases of the,animal industry,(,畜牧业,)have put the,spotlight,on science.,Spotlight:public attention,Throughout his political career hes always been in the spotlight.,第7页,Men who work with livestock are becoming more,objective,.,Though most continue to have an intense feeling for livestock and the,livestock industry,the desire for profit clearly exists.,Objective,subjective,第8页,Farm animals家畜,),are meat,wool,and milk producing factories.,Profit-minded,growers,and,feeders,must know their factory,what it consists of,how it works,what factors,influence,it,what can it run,efficiently,and they must be conscious of,product quality,.,第9页,People learned to utilize animals very early in history.Many primitive tribes hunted wild animals for food.,They also learned to make clothing and,shelter,from animal,hides,and used the bones and,tusks,to make tools,weapons,and,ornaments,.,第10页,As centuries passed,various civilizations realized that hunting was an undependable means of obtaining food.Animal,herds,roamed over vast,territories,making game sparse.,第11页,Drought,or,disease,could sharply reduce the,population,of some,species,.,Hunting became dangerous if the animal being chased decided to attack its pursuers.,第12页,Domestication,of animals began very early in certain parts of the world.Cattle raising began in southwestern Asia by 5000 B.C.,Although most often utilized for meat,cattle also provided milk and hides,and served as,beasts of burden,(,驮畜,).,第13页,Domestication,驯化，驯养,Domestic animal,家畜,Domestic livestock,家畜,Domestic sheep,绵羊，家绵羊,第14页,Horses were domesticated by 3500 B.Cin the Persian Gulf area,and were used mostly as means as transportation.,Later important species included sheep,swine,goats and,fowls,.,第15页,The most common use of domestic animals has been as a source of food.,Cattle and goats provide both meat and milk.The milk is further refined into such products as,cheese,butter,ice cream,and,yoghurt,.Sheep have also provided meat for many countries.,第16页,第17页,第18页,In the Western Hemisphere,Europe,and China,swine contribute a major portion of the,meat supply,.,Poultry,such as chickens,turkeys,ducks,and geese,once,delicacies,have become a major meat source in many countries.They serve a,dual function,as producers of eggs as well as meat.,第19页,Animal hides,have long provided people with protection from the extremes of nature.,Indian tribes of the North America used,buffalo,and,deer hides,for shelter,.,第20页,Wool from sheep,goats,and animals like the,alpaca,(,驼羊,)and,vicuna,(,骆马,),of South America has been a raw material for clothing for thousands of years.,Even today fine,leather goods,are much in demand.,第21页,Some,species,of animals became,beasts of burden,（驼畜）,and are still used as such in many parts of the world.,第22页,Horses,donkeys,camels,llamas(,美洲驼,)and even elephants were carrying heavy,loads,long before trucks and trains appeared.,Most of these species also serve as means of human transportation.,第23页,Farmers also found that certain animals were well-suited to pulling,implements,which prepared the soil for planting and harvesting crops.,Horses and cattle have been the most popular,work animals,.The water buffalo is a particular type of cattle commonly used as a source of power in Asia.,第24页,In North America,livestock,breeders,found that the mating of a horse with a donkey produced a,hybrid,called a,mule,an animal which was exceptionally well-suited to pulling farm implements or carrying heavy loads.,第25页,A good team of,oxen,or,mules,may be a small farmers single most important,investment,.,第26页,Breeder,育种者，畜牧生产者,Livestock breeders,畜牧生产者,Breeding,育种，配种,Breeding animal,种畜,Breeding farm,育种场,Breeding cycle,繁殖周期,第27页,Livestock,Livestock production,Livestock industry,Livestock breeders,Livestock producers,Livestock growers,第28页,Livestock industry(Animal industry),Feed industry,Meat industry,Domestic animals,Farm animals,Livestock producers,Livestock growers,第29页,product quality,Animal herds,Animal species,Animal population,Drought,Disease-antibiotics,第30页,