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1、动物科学技术学院动物科学技术学院2020/6/122College of Animal Science and Technology,HZAU1.The roles of dogs 1.1 Dog solider For centuries,military dogs have played important roles on the battlefield.Dogs are fed for lookout,letter delivery,scout,and search for routes and the wounded.1.2 Police dog Police dogs often
2、have unexpected performance in detecting,hunting fugitives,investigating drugs,searching for explosives,dispersing rioters and maintaining public order.2020/6/123College of Animal Science and Technology,HZAU1.3 Hunter Dogs had been trained for hunting in early times.They could find the prey,and driv
3、e them out of the bushes,for hunters1.4 Shepherd dog Shepherd dogs are earliest and most widely-used domesticated dogs。An excellent shepherd dog can tend more than 200 sheep.and run more than 40 kilometers around the flock every day2020/6/124College of Animal Science and Technology,HZAU1.5 Guide dog
4、 The guide dog can lead the way for the blind。Guide dogs are usually docile,mild,good in sight,and sensitive in hearing,They have peace of mind to guide the blind to cross the road,avoid obstacles and climb stairs.1.6 Guard dog The guard dogshave a strong instinct of protection.2020/6/125College of
5、Animal Science and Technology,HZAU1.7 Toy dog Dogs are highly social animals and like to company people and make friends with them.1.8 Rescue dog As early as more than 1,000 years ago,dogs have been trained for rescue in the snow.Newfoundland Dog,Springer,Belgian Shepherd,and German Shepherd Dog are
6、 common rescue dog breeds.2020/6/126College of Animal Science and Technology,HZAU1.9 Sled dog The sled dogs can pull a sled with a weight of around 14kg.They can walk on ice and snow trippingly and even across the extensive frost zone.1.10 Show dog Dogs are smart,alert and easy to train.Dog perform
7、in many circuses2020/6/127College of Animal Science and Technology,HZAU1.11 Research animal Because of similar physiological functions to humans.Dogs are widely used in medical experiments.1.12 Other roles Dogs are also a source of food,medicine and fur.It is forbidden to eat dogs in many western co
8、untries,But in China since the ancient times,dogs have been raised for meat in many areas of China2020/6/128College of Animal Science and Technology,HZAU 2.1 Pet dogs keep us busy 2.2 Pet dogs can reduce allergies 2.3 Petting dogs can relieve pressure 2.4 Playing with dogs makes us more focused 2.5
9、Dogs can reduce loneliness.2.dogs are good for peoples health2020/6/129College of Animal Science and Technology,HZAU 2.6 Dogs are good listeners.2.7 Dogs will reinvigorate you.2.8 Dogs can expand our social circle.2.9 Dogs help you get out of depression.2.10 Dogs bring you happiness and calm.10College of Animal Science and Technology,HZAUThats all for the lectureThats all for the lecturethank youthank you