Sentence examples for mating with untreated from inspiring English sources
F1 male rats were maintained to generate F2 offspring by mating with untreated female rats.
Treated males were rested for 12 weeks before mating with untreated BALB/c females to produce G1 progeny.
Although some treated pupae at all doses eclosed (adjusted sterility of 66 74% depending on dose, where emerging adults are considered non-sterile), subsequent mating with untreated "wild-caught" males or laboratory-reared virgin females did not result in egg hatch, irrespective of dose rate (Fig. 2).
The remaining animals were mated with untreated sexually receptive females to evaluate the mating and pregnancy rates.
In the first instance, treated male rats were mated with untreated females, followed by necropsy of a subset of males.
Once fertility was recovered, the animals were mated with untreated C57BL/6 J females to generate G1 offspring.
In the mating study, no effect on fertility was seen when males were mated with untreated females, which is not inconsistent with the observed decrease in daily sperm count of the littermates (Tables 2 and 3).
When the litter mates of the animals analyzed for sperm counts were mated with untreated females for fertility studies, exposed males could sire offspring similar to the control males (Table 3).
Evaluation of the F2 offspring from the F1 female offspring mated with untreated males revealed two anomalies in one pup (F2) from the 700-μg PBDE-47 group: a shortened mandible accompanied by fused tympanic bone.
Adult male offspring (± 150 days of age; n = 15 19 animals/group), representing all litters, were mated with untreated females (1 1) daily for 14 days to determine whether the males were fertile and could sire normal offspring.
Approximately on PND160, 20 males/group (representing all litters) were mated with untreated females in estrus (1 1), and the sexual behavior of each mating was recorded for 20 min under blue light illumination (black light, 75W; Osram, Berlin, Germany) using a video camcorder (Hi8 Handycam CCD-V800E, Sony, Tokyo, Japan).
