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what are ratites
flightless birds, have a flat breastbone resembling a raft
where are ostriches from
africa
how tall are ostriches
7 to 9 feet
how much do ostriches weigh
200 to 350 lbs
how fast can ostriches go
30 to 50 mph
how fast can a 1 month old ostrich chick run
35 mph
what are characteristics of ostriches
long necks, small heads, large eyes
what color are male ostrich feathers
black and white feathers
what color are female ostrich feathers
grey feathers
when are ostriches mature
2 to 4 years
how do ostriches lay eggs
female lays 1 to 5 eggs in a communal nest (up to 60 total eggs)
how long is the egg incubation period for ostriches
40 to 46 days, males and females incubate eggs and raise the young
when are chicks at almost adult height
by 6 months
what is the lifespan of an ostrich
30 to 40 years in the wild, 70 years in a zoo
what kind of eaters are ostriches
omnivores
where are emu’s from
Australia
what height are emus
5 to 6 feet
how many toes does an ostrich have
2 toes
what is the weight of emus
125 to 150 lbs
how fast can emus go
30 mph
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
how many toes does an emu have
3 toes
what is the age of maturity of emus
1.5 to 3 years
how many eggs do emus have
5-15 eggs per clutch: up to 3 clutches per season
what is the incubation period for emu eggs
50 days
what is the lifespan of emus
10-20 years in the wild and 35 years in zoos
where are rheas from
south america
how tall are rheas
5 and a half feet
how much do rheas weigh
44-55 lbs
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
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
for rheas who incubates and cares for the young
males incubate the eggs for 42 days and care for the newly hatched young
how tall are cassowaries
4 to 6 feet
how fast are cassowaries
30 mph
where do cassowaries live
Australia and Malay archipelago
what is the casque of a cassowary
large bony crest on top of head
what is the cassowaries defense mechanism
sharp toenails on their inner toes
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
when do cassowaries become mature
2 and a half to 3 years
how are cassowary eggs laid
green eggs laid: 3 to 5 clutch
what is the incubation period for cassowary eggs
49 to 56 days
For cassowaries which takes care of the eggs
males sit on eggs and rear chicks for 9 months
what is the lifespan of cassowaries
12-20 years in the wild and 40 years in a zoo
how many species of kiwi birds are there
5 species
what is the height of kiwi birds
1 to 2 feet
how much do kiwi birds weigh
2 to 11 lbs
what color are kiwi birds feathers
brown or gray, hair-like, special feathers around their faces similar to whiskers
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
what is the diet of kiwi birds
omnivores (insects, larva, crayfish, roots, berries, and fruit)
when are kiwi birds active
nocturnal
when do kiwi birds become mature
females 2-3 years, males 14-18 months
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
what is the incubation period for kiwi bird eggs
75 to 85 day (male sits on egg)
what is the lifespan of kiwi birds
30 years in the wild and 50 years in a zoo
ratite meat
low-fat, low-cholesterol, high-iron, red meat, USDA FSIS inspection is required
what is the dressing percentage for ostriches
54-57%
what are uses for ratites in production
leather, oil, cosmetics, pharmaceuticals, feathers, shells for art, food and ostrich eggs
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
what is the breeding like for ostriches
monogamous or polygamous, dramatic mating behavior,
when do ostriches become mature
males at 2.5 years and female at 2 years
when is the breeding season for ostriches
march to september
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
when do emus become mature
1.5 to 3 years
what is the breeding situation for emus
mostly monogamous: female is dominant/larger
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
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
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
when should the eggs be move to the hatcher
1-2 days before hatching
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
what is the hatch rate for ratite eggs
70% ostrich eggs: 50-80% emu eggs
what should the heat be in the brooder
initial temp 90 degrees at floor level for 10-14 days
what is the litter for the brooder
bedded with wood shavings, straw, rice hulls, or clean sand (nothing slippery or tasty)
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
when can you determine the sex of the ratites
1 to 2 months of age
what identification should be done with chicks
weigh, leg band, microchip, DNA identification, tattoo
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