Ratites

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76 Terms

1
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what are ratites

flightless birds, have a flat breastbone resembling a raft

2
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where are ostriches from

africa

3
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how tall are ostriches

7 to 9 feet

4
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how much do ostriches weigh

200 to 350 lbs

5
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how fast can ostriches go

30 to 50 mph

6
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how fast can a 1 month old ostrich chick run

35 mph

7
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what are characteristics of ostriches

long necks, small heads, large eyes

8
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what color are male ostrich feathers

black and white feathers

9
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what color are female ostrich feathers

grey feathers

10
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when are ostriches mature

2 to 4 years

11
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how do ostriches lay eggs

female lays 1 to 5 eggs in a communal nest (up to 60 total eggs)

12
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how long is the egg incubation period for ostriches

40 to 46 days, males and females incubate eggs and raise the young

13
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when are chicks at almost adult height

by 6 months

14
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what is the lifespan of an ostrich

30 to 40 years in the wild, 70 years in a zoo

15
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what kind of eaters are ostriches

omnivores

16
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where are emu’s from

Australia

17
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what height are emus

5 to 6 feet

18
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how many toes does an ostrich have

2 toes

19
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what is the weight of emus

125 to 150 lbs

20
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how fast can emus go

30 mph

21
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what are characteristics of emus

head and neck are grayish blue, feathers are black on head and mottle brown on back, plumage is course and hair-like

22
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how many toes does an emu have

3 toes

23
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what is the age of maturity of emus

1.5 to 3 years

24
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how many eggs do emus have

5-15 eggs per clutch: up to 3 clutches per season

25
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what is the incubation period for emu eggs

50 days

26
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what is the lifespan of emus

10-20 years in the wild and 35 years in zoos

27
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where are rheas from

south america

28
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how tall are rheas

5 and a half feet

29
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how much do rheas weigh

44-55 lbs

30
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what are the characteristics of rheas

pale gray to brown, head and neck completely feathered, no tail feathers, long body feathers droop over posterior of the bird

31
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how many eggs do rheas lay

females lay 1 egg every other day or every 3 to 4 days for 7-10 eggs- in a ground communal nest of the male’s design

32
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for rheas who incubates and cares for the young

males incubate the eggs for 42 days and care for the newly hatched young

33
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how tall are cassowaries

4 to 6 feet

34
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how fast are cassowaries

30 mph

35
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where do cassowaries live

Australia and Malay archipelago

36
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what is the casque of a cassowary

large bony crest on top of head

37
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what is the cassowaries defense mechanism

sharp toenails on their inner toes

38
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what are characteristics of cassowaries

no plumage on head or neck, their skin is bright blue, red, and yellow, brownish-black hair-like feathers on the body

39
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when do cassowaries become mature

2 and a half to 3 years

40
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how are cassowary eggs laid

green eggs laid: 3 to 5 clutch

41
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what is the incubation period for cassowary eggs

49 to 56 days

42
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For cassowaries which takes care of the eggs

males sit on eggs and rear chicks for 9 months

43
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what is the lifespan of cassowaries

12-20 years in the wild and 40 years in a zoo

44
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how many species of kiwi birds are there

5 species

45
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what is the height of kiwi birds

1 to 2 feet

46
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how much do kiwi birds weigh

2 to 11 lbs

47
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what color are kiwi birds feathers

brown or gray, hair-like, special feathers around their faces similar to whiskers

48
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what are characteristics of kiwi birds

solid bones, very strong muscular legs=1/3 of their BW, small heads, no tail, slender bill with nostrils at the end

49
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what is the diet of kiwi birds

omnivores (insects, larva, crayfish, roots, berries, and fruit)

50
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when are kiwi birds active

nocturnal

51
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when do kiwi birds become mature

females 2-3 years, males 14-18 months

52
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how many eggs do kiwi birds have

1 per clutch: 1 clutch per year, eggs can weigh up to 25% of mom’s body mass

53
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what is the incubation period for kiwi bird eggs

75 to 85 day (male sits on egg)

54
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what is the lifespan of kiwi birds

30 years in the wild and 50 years in a zoo

55
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ratite meat

low-fat, low-cholesterol, high-iron, red meat, USDA FSIS inspection is required

56
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what is the dressing percentage for ostriches

54-57%

57
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what are uses for ratites in production

leather, oil, cosmetics, pharmaceuticals, feathers, shells for art, food and ostrich eggs

58
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what kind of facilities are needed for ratites

very dangerous to handle so fences should be 5 feet high and flush with the ground, high walls and crowd pens make handling easier, 1/4 to 3 acres per breeding pair

59
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what is the breeding like for ostriches

monogamous or polygamous, dramatic mating behavior,

60
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when do ostriches become mature

males at 2.5 years and female at 2 years

61
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when is the breeding season for ostriches

march to september

62
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ostrich egg laying

breed and begin laying eggs 5-10 days later, continue laying every other day up to 15 to 20 eggs, if eggs are removed the female will continue laying up to 40 to 50. eggs weigh 3 to 5 lbs

63
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when do emus become mature

1.5 to 3 years

64
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what is the breeding situation for emus

mostly monogamous: female is dominant/larger

65
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how do emus lay eggs

breed and lay an egg every 3 to 4 days, up to 30 eggs in a clutch, eggs weigh 1.5 lbs, male incubates nest

66
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how should ratite eggs be stored

initially store at 55-65: 75% humidity: air cell up or egg on the side and turn 3x per day

67
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what are the ideal conditions for ratite eggs

97.5-99 degrees, 35-40% humidity (ostrich), 24-35% (emu), weigh weekly, rotate, ostrich egg= 39-59 days, emu egg= 46 to 56 days

68
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when should the eggs be move to the hatcher

1-2 days before hatching

69
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what happens when a chick pips

chick pips through shell membrane into the air cells and chick will break through the shell and hatch within 12-18 hours

70
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what is the hatch rate for ratite eggs

70% ostrich eggs: 50-80% emu eggs

71
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what should the heat be in the brooder

initial temp 90 degrees at floor level for 10-14 days

72
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what is the litter for the brooder

bedded with wood shavings, straw, rice hulls, or clean sand (nothing slippery or tasty)

73
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what should be done with the brooder temperature

decrease the brooder temp by 5 degrees every 2 weeks until supplemental heat is no longer needed

74
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when can you determine the sex of the ratites

1 to 2 months of age

75
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what identification should be done with chicks

weigh, leg band, microchip, DNA identification, tattoo

76
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ratite health maintenance

establish a relationship with a ratite-knowledgeable vet and other farmers, follow a good disease prevention program, high mortality rate less than 6 months of age need special care