The female common ostrich lays her fertilized eggs in a single communal nest, a simple pit, 30 to 60 cm (1224 in) deep and 3 m (9.8 ft) wide, scraped in the ground by the male. The dominant female lays her eggs first, and when it is time to cover them for incubation she discards extra eggs from the weaker females, leaving about 20 in most cases. A female common ostrich can distinguish her own eggs from the others in a communal nest. Ostrich eggs are the largest of all eggs, though they are actually the smallest eggs relative to the size of the adult bird â?? on average they are 15 cm (5.9 in) long, 13 cm (5.1 in) wide, and weigh 1.4 kilograms (3.1 lb), over 20 times the weight of a chicken's egg and only 1 to 4% the size of the female. They are glossy cream-colored, with thick shells marked by small pits.
The eggs are incubated by the females by day and by the males by night. This uses the coloration of the two sexes to escape detection of the nest, as the drab female blends in with the sand, while the black male is nearly undetectable in the night. The incubation period is 35 to 45 days, which is rather short compared to other ratites. This is believed to be the case due to the high rate of predation. Typically, the male defends the hatchlings and teaches them to feed, although males and females cooperate in rearing chicks. Fewer than 10% of nests survive the 9 week period of laying and incubation, and of the surviving chicks, only 15% of those survive to 1 year of age.
A possible origin for the myth that ostriches bury their heads in sand to avoid danger lies with the fact that ostriches keep their eggs in holes in the sand instead of nests, and must rotate them using their beaks during incubation; digging the hole, placing the eggs, and rotating them might each be mistaken for an attempt to bury their heads in the sand.
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Product : Finished Sheep/Lamb Leather wool on ready for Fur Garment production. (HSCODE: 43021980)
Rassado, Tigrado, Lining, Toscana, Merinillo, Merino, South Africa, UK, Swakara, Astrakhan, Double Face, Shearling, Lamb fur leather for glove, etc.
At the same time, we produce hides for furniture, decoration and carpet production.
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Origin Country, Quantity, Avg Sqft/skin, Process Type : Crust/Dye/Finish ?
Frozen Whole Hen, between 900 to 1600gr no, head no feet, without giblets with calibrated with IWP.
Calibration: 900-1000-1100
Carton: 10 piece per carton.
