For some insects (e.g., cockroaches and mantids) a batch of eggs is cemented together to form an egg packet or ootheca.
SHANGHAI — Hong Kong officials say that for the second time in a week they have found a batch of eggs imported from China containing high levels of melamine, the same industrial chemical that has been blamed for contaminating China's milk supplies.
SHANGHAI — Hong Kong food safety authorities said late Tuesday that for the fourth time in less than two months they had found a batch of eggs imported from China that were contaminated with illegal levels of melamine, the industrial chemical blamed for sickening hundreds of thousands of young Chinese children, six fatally.
They can produce glue and protective substances for coating eggs or tough coverings for a batch of eggs called oothecae.
The crosses were performed simultaneously, dividing a batch of eggs from one green sunfish female into two Petri dishes and fertilizing each with sperm from different males.
However, we can not exclude that a batch of eggs harvested later may be distinct, although it is from the same female, as not all the eggs mature simultaneously and may be derived from oocytes of distinct quality.
We compared fresh versus 3-hour aged unfertilized eggs from a batch of eggs, where the larvae derived from aged eggs exhibited a 2.5-fold increase of malformation and a 4.2-fold increase including underdevelopment compared to immediately fertilized eggs (Fig. S1A).
Over the next few days, they must digest this blood and use its nutrients to mature a batch of eggs.
In the field, A. gambiae can lay up to 12 batches of eggs [ 44]. A. gambiae females produce a batch of eggs every 3 days when given regular access to blood meals [ 45].
After successfully obtaining a blood-meal, female mosquitoes repress host-seeking behavior [ 11, 12], and utilize the nutrients in the blood-meal to develop a batch of eggs.
