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In males, control offspring had significantly shorter latencies than T-offspring, whereas there was no difference among females.
The latency to eat in the same test was not significantly affected by sex or egg treatment.
In this study, we examined the role of yolk testosterone (T) in controlling neophobia in 9-month-old, sexually mature zebra finches (Taeniopygia guttata).
Offspring hatched from either T-treated or control eggs were subjected to a sequential series of behavioral tests in which we measured the neophobic response and its persistence towards two unfamiliar stimuli.
Toddlers learn how to eat by copying their parents and other children. If you like it, your toddler may be happier to give it a try.
If your toddler is more likely to eat something he’s chosen himself, let him pick from a small selection of healthy foods.
Keep mealtimes to a set length Most toddlers eat as much as they're going to in the first 30 minutes of a meal.
Trying to persuade him to eat more after this time is unlikely to work, and will just mean unnecessary stress for you.
Fussy eating is simply a phase that most toddlers go through, usually in their second year.
Fear of eating new foods is called food neophobia, which humans developed as they evolved.
It’s an instinctive defence against eating potentially unsafe or dangerous foods.