breeding system

breeding system

the degree and mechanisms of interbreeding within a species or species group. See MATING SYSTEM.
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In each farm, 20 adult animals were randomly selected (totaling 500 cows) and data regarding breed, age, reproductive problems occurrence, and breeding system were individually collected.
Repetition of estrus is the most frequent reproductive problem after breeding in dairy cattle from Rio de Janeiro, Brazil/Repeticao de estro e o problema reprodutiva mais comum em vacas leiteiras do Estado do Rio de Janeiro, Brasil
For example, a female North Atlantic right whale was photographed having sex with two males at once, which is an example of a multi-male breeding system, where each female may have many male partners.
Everything you know about sex is wrong: part 1: the gender binary
Our research had the following objectives: 1) to describe the floral biology and nectar production, 2) to determine the plant's breeding system using manual pollination treatments, and 3) to estimate pollinator visitation rates.
Alta capacidad de autofecundacion y baja visitacion de polinizadores en la epifita polinizada por colibries Pitcairnia heterophylla (Bromeliaceae) en un bosque montano en Costa Rica
The lawmaker said it is high time that the government enact policies that would promote the scientific propagation of native animals in the country by introducing an effective animal breeding system.
Solon bats for propagation of native animals
In response to concerns about state-listed endangered species in the area, including wood turtles, a National Grid representative said the utility proposed to avoid construction in the identified habitats during breeding system.
Uxbridge selectmen OK power line expansion
Monitor farmer Simon Bainbridge has been investigating a simplified sheep breeding system and has trialled a number of different tups.
Efficiency, profit and trials on the agenda for project meeting
That's exactly what Scorza and his colleagues at the USDA-ARS Appalachian Fruit Research Station in Kearneysville, West Virginia, aimed to do when they started "FasTrack," an advanced fruit tree breeding system.
"FasTracking" plum breeding
Principal Research officer Muhammad Iqbal briefed the Minister about the research work on the cross breeding system of goats and other animals.
Govt taking solid steps for promotion of livestock, dairy products-Minister
The European Commission is scheduled to adopt, on 8 January, its report on the breeding system for egg-laying hens and the implementation of new standards for animal welfare.
HEN WELFARE : COMMISSION PUSHES NEW STANDARDS
Examples of specific topics include the influence of intrinsic and extrinsic factors on agonistic behavior in freshwater crayfish, chemical communication and social behavior of the lobster Homarus americanus, ecology and evolution of mating behavior in freshwater amphipods, mating strategies in isopods, sperm demand and allocation in decapod crustaceans, hermaphroditism in caridean shrimps, social behavior of parent-offspring groups in crustaceans, sociobiology of terrestrial isopods, the social breeding system of the Jamaican bromeliad crab, ecology and evolution of eusociality in sponge-dwelling shrimp, and anthropogenic stressors and their effects on the behavior of aquatic crustaceans.
Evolutionary ecology of social and sexual systems; crustaceans as model organisms
Dewi Jones, Innovis managing director, said the new Integrated Sheep Breeding System and the work the company was undertaking based upon the Inverdale gene will have significant benefits for the sheep industry throughout Europe and the UK, opening up new supply-chain opportunities for hill and lowland breeders.
Scientists clinch cash to breed a new supersheep
Binney has traced a 'pivotal economic link' between legislation in the USA and Britain favouring Australian bloodstock which contributed to the success of Bruce Lowe's breeding system.
Keith R. Binney, Horsemen of the First Frontier (1788-1900) and the Serpents Legacy

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