Sentence examples for first sexual maturity from inspiring English sources
The age of first sexual maturity is seldom more than three years, and the length at maturity rarely exceeds more than 15 cm (approximately 6 inches).
Average female length at first sexual maturity was 34 mm.
Recorded reproductive parameters were peak reproduction season, fertility index, egg viability and female length at first sexual maturity.
Moreover, the average length was lower than that at first sexual maturity, indicating overfishing or the use of small mesh size nets.
Under intensive culture conditions and rearing temperatures of 18 22 °C, female sturgeons first reach sexual maturity at live weights of 35 40 kg (Doroshov et al. 1997; Lu et al. 2011).
Female Murray cod, upon first reaching sexual maturity, will have egg counts of no more than around 10,000.
In the present study, it was confirmed that Houbara bustard sperm could be detected when the chimeric rooster first reach sexual maturity, indicating that donor germ cell differentiation occurs in same time that the recipient spermatozoa forms.
Most Russian River steelhead are born in fresh water, migrate into the Pacific between their first and third years, reach sexual maturity in from one to three years more, and return to their natal stream to spawn.
For instance, no significant differences were noticed in egg hatchability between the fed and starved rainbow trout S. gairdneri (Ridelman et al. 1984), whereas the mean diameter of egg size and GSI were not affected following exposure to limited feeding regime for a period of 550 days from first feeding to sexual maturity in the Tilapia zillii (Coward and Bromage 1999).
To quantify the relative importance of genetic background (e.g., population of origin) and rearing environment on mandible shape(s), we used individuals from populations LA and VPC reared from first instar to sexual maturity on both hosts in a reciprocal transplant experiment performed in the laboratory (Table 1; [ 25]).
A subset of individuals from each population (range = 3-25) werearedred from first-instar to sexual maturity on either their native and/or alternate hosts under laboratory conditions, as described in previous work [ 25, 38].
