Price of adult care and attention and development away from rhea mating program

Guys directed just like the estimated 53,000 kcal so you can egg through the incubation, the same as 5 kg away from lipids (up to 18–20% of its lbs). Those individuals philosophy are most likely a slight overestimate of your own opportunity requisite getting incubation since we presumed one incubation starts at big date that and all of egg try applied at the same time and generally are similarly covered by a man (the latter presumption is really broken inside the high purses). Because the rhea men hardly exit the new nest to feed, our estimate provides a keen approximation of net energetic price of incubation. Brand new estimated productive costs to own rheas is a lot like one to measured during the Emus (Dromaius novaehollandiae), yet another ratite species where the men really works all incubation. Men Emus forgotten 7 kg (regarding the 17–20% of the pounds) while in the 56 times of incubation ( Dawson ainsi que al. 1984). Likewise, Brownish Kiwi (Apteryx australis) males destroyed ?23% of the pounds during the 91 times of incubation, even though because kinds incubation is actually partly distributed to ladies ( Taborsky and you may Brugger 1994). The new productive financing from inside the adult care immediately after hatching is far more tough so you can guess. Continue reading “Price of adult care and attention and development away from rhea mating program” »

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