i n g t h e c h i c k e n Did you know that wild - - PowerPoint PPT Presentation

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i n g t h e c h i c k e n Did you know that wild - - PowerPoint PPT Presentation

C h a n g i n g t h e c h i c k e n Did you know that wild chickens are very different to the chickens we see on farms? l w o f e I l g a n m u a j j u a n g l e m f o w a l I I am a wild chicken. I


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C h a n g i n g t h e c h i c k e n

Did you know that wild chickens are very different to the chickens we see on farms?

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SLIDE 2

I a m a j u n g l e f

  • w

l

I am a wild chicken. I live in the forests of Asia. I like to live in small groups, sleep in low branches, and lay around 30 eggs each year.

I a m a j u n g l e f

  • w

l

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Around 4,000 years ago humans began changing the chicken by choosing to breed from the ones they liked best. We changed chickens in lots of different ways…

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We are laying hens

We put most of our energy into laying lots of eggs.

I was hatched in

  • 1900. I lay around

120 eggs each year. I was hatched in

  • 1930. I lay around

250 eggs each year I was hatched in

  • 2016. I lay around

350 eggs each year

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We are broiler chickens

We grow quickly and get very large to produce a lot of meat.

I was hatched in 1957. I am 8 weeks old. I weigh 95 grams I was hatched in 1978. I am 8 weeks old. I weigh 1,808 grams I was hatched in 2016. I am 8 weeks old. I weigh 4,202 grams

Growth, efficiency, and yield of commercial broilers from 1957, 1978, and 2005, M. J. Zuidhof B. L. Schneider V. L. Carney D. R. Korver F. E. Robinson, 2014

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We are pure breed chickens We are kept for pets and

competitions because of

  • ur fancy looks.

I am a Silkie. I have blue skin and fluffy feathers. I am a Polish hen. I have a pom pom on my head! I am a Frizzle. I have fancy, flicky feathers.

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We are pure breed chickens We are kept for pets and

competitions because of

  • ur fancy looks.

I am an Ayam Cemami. My bones, skin, and feathers are completely black.

I am a little Pekin. I have fluffy slippers! I am a Wyandotte. I have lacy feathers.

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Can you think of any other animals that have been changed by humans? What do you think is good about changing ani- mals in this way? What problems might there be? Do you think humans will continue to change chickens in the future?