Readers ask: How Does Age Affect Reproductive Efficiency In Livestock?

What factors affect reproductive efficiency in animal production settings?

Two factors that contribute significantly to reproductive efficiency are conception rate and loss of pregnancy.

What are the factors affecting breeding efficiency?

These include: libido, mating ability, serving capacity, and social dominance. These factors are only evaluated by watching the herd bull during the breeding season.

What are the causes of low breeding efficiency?

Evidence is presented which indicates that a low rate of fertilization and a high rate of embryonic mortality are the major factors causing the low seasonal breeding efficiency associated with high ambient temperature and humidity in lactating dairy cows.

What are the factors affecting the reproduction in farm animals?

The main environmental factors influencing animal reproduction are temperature, humidity, amount and distribution of rainfall, solar radiation and photoperiod, nutrition, productive system management, social interactions among individuals within the same population, predator-prey interactions, parasite- and pathogen-

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What is reproductive efficiency?

The numerical expression of reproductive efficiency is based on the as- sumption that to be 100 per cent efficient, a heifer should be bred at a certain age depending upon the breed, and that she should drop a calf every twelve months thereafter.

What is the ideal time for calving?

A good practice is to have calving commencing 4 to 6 weeks before the start of the spring rains. Mating will then commence 6 to 8 weeks after the first rains have fallen, when the veld has had time to become green and has grown out enough to support the needs of the cow and her calf.

What are 3 factors that determine the type of breeding system used?

Various breeding systems exist due to the various types of livestock operations. The size of the herd, amount of money available and goals of the producer are all factors that determine that type of system used. Some farms use more than one type of mating system.

How do you improve reproductive efficiency?

Take advantage of technology, including breeding indicators, to improve reproductive results

  1. 19.5 percent of operations take advantage of semen evaluation.
  2. 18 percent palpate for pregnancies.
  3. 14.3 percent body condition score.
  4. 7.9 percent use estrus synchronization.
  5. 7.6 percent use artificial insemination (A.I.)

What are the factors to consider in breeding farm?

Selecting breeding stock

  • Availability.
  • Genetics (including fecundity).
  • Health.
  • Market acceptability.
  • Quality control.

What is low breeding?

(ˈlouˈbred) adjective. characterized by or characteristic of low or vulgar breeding; ill-bred; coarse.

How does the environment play an important role in plant reproduction?

Another way nature assists in plant reproduction is through pollination which enables fertilization of the plant’s reproductive parts. It is through the development of flowers that the plant produces fruit and/or seeds to continue the reproductive cycle. Corn and trees are pollinated by the wind.

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Which of the following is a type of asexual reproduction?

The different types of asexual reproduction are binary fission, budding, vegetative propagation, spore formation (sporogenesis), fragmentation, parthenogenesis, and apomixis. The organisms that reproduce through asexual means are bacteria, archaea, many plants, fungi, and certain animals.

Which animals are seasonal breeders?

-The females are sexually receptive at estrus the time when ovarian follicles are maturing and ovulation can occur. -For example, Frogs, Lizards (Non-primate mammals) were seasonal breeders. -For example, Poultry, Rabbit, Cattle, Apes (Primate mammals) were continuous breeders.

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