"herd population" is a correct and usable phrase in written English.
It refers to the number of animals in a group or community that are kept or used for a specific purpose, such as farming or grazing. Example: The increase in the herd population led to a surplus of milk production on the farm.
In addition to reducing the number of boars needed for breeding, artificial insemination allows the selection of boars with the highest genetic merit, which results in more rapid improvement of the herd population.
The breeding female sheep and goats constitute 37.7% and 36.1% respective for each species' herd population (Table 3).
A typical nomad family would run some 250 goats, of which adult female goats (does) constitute 44%%; bucks, castrated adult males, male and female yearlings and male and female kids represent 8%, 5 %, 7 %, 12 %, 100 %and14%4 % of the herd population, respectively.
During the roundup, 63 mares were treated with contraceptives, and the post-gather herd population was estimated at 133 horses.
Anyone who knows something about caribou or reindeer will tell you that an individual herd population can go up and down over the years.
Forty-six horses were put up for adoption, while the freed mares were given a contraceptive vaccine to help keep the herd population down.
The study published in 2000 recommended a management strategy that reduced herd populations to environmentally-recommended sizes through a combination of off-island adoption to private owners and contraceptives.
Overall, the NAS was critical of the BLM, saying that herd populations were increasing at an "unsustainable rate" and that the "BLM fails to effectively use contraception tools", criticizing the methods used for estimating populations and available forage, and stating that the agency has failed to communicate appropriately with the public.
One of the most destructive effects of collectivization was in Kazakhstan, where a nomad herding population was forced, largely on ideological grounds, into permanent settlements, for which no economic basis existed.
The infection has mostly afflicted the region's nomadic reindeer herding population.
More and more, the successfully herded population of the United States is engaging in conduct which has nothing to do whatsoever with reality.
