Sentence examples for proportion of ram from inspiring English sources
Using incorrect replacement rates for rams could lead to an aged ram population or to an excessive proportion of ram lambs and yearlings, which have lower potential fertility than adults [ 2, 33].
Nevertheless, as the proportion of rams with prognathism was greater in older rams than in younger ones, it could be interpreted that greater care is currently being applied in the selection of replacement rams.
The most affected were emaciated males (BCS < 2.5), which presented the highest proportion of rams with severe alterations in the head, limbs and genital areas; moreover, those rams were much older than in the other three BCS groups.
These farms had higher proportions of rams of foreign origin, indicating that sheep owners prefer buying yearlings to ram lambs.
The two groups with lower BCS showed significantly higher proportions of rams with head abnormalities (p < 0.05).
In this way, mature rams (adult and older rams) presented a higher proportion of unsuitable rams.
We conclude that there is a lower proportion of effective rams than sheep owners believe.
The proportion of effective rams in several flocks was much lower, which could negatively affect flock fertility [ 32].
The approach in these sheep experiments involves irradiating a ram's testes while placing stem cells from a second ram into the testes of the first, ram A. In the following weeks ram A produces semen the usual way, but is using the stem cells of ram B and therefore producing semen carrying the genetics of ram B rather than those of his own.
Only four (3.3 %) of ram lambs examined presented severe alterations.
