Male and Female Repro System

What is the incubation period for chicken eggs?

Advances in AI (Artificial insemination) permits livestock producers to use outstanding sites for genetic improvement and to control reproductive diseases in their herds

The release of the ovum in cows or ova in sows is often referred to as ____

The hormone in the female animal that causes the cessation of pregnancy or triggers parturition is ___

Only the right ovary is functional in producing an ovum in the avian species because the left ovary atrophies

The ovum is enclosed in a fluid filled cavity during development. This structure on the ovary is known as the ___

___ is the hormone secreted by the female reproductive tract that causes sexual excitability in cows, ewes, sows, etc

___ is the length of the gestation in the sow

Fertilization occurs in the oviduct in the female reproductive tract because during estrus conditions in the Fallopian tube are suitable for fertilization to occur

In the sexually mature gilt or heifer ___ cells are involved in the production of the female secondary sex hormone estrogen

The hormigone on the female animals that stimulates follicular development is ___

Ovarian functions occur in a cyclic manner following puberty. The period of time when the animal shows signs of sexual receptivity is referred to in reproductive physiology as:

The groom one that is produce by corpus outrun and functions in preventing estrus during pregnancy is known as:

The hormone in the female animal that triggers ovulation the ovum or ova from the ovary is ___

Which principal hormones are involved in brining about successful parturition?

The primary organ of the female reproductive system produces ____ and ____, while the primary organ of the male reproductive system produces ____ and ___

In the sexually mature boar or bull ___ cells are involved in the generation of spermatozoa

Factors affecting sperm production are numerous in animal production. Which of the following factors would be considered a hereditary factor that affects sperm production

Sperm stored in the oviduct it is capable of fertilizing eggs for up to 30 days in turkeys and 10 days in chickens

In male birds (chickens) the resolves are retained in the abdomen even after they are hatched. The following statement(s) is(are) true about male birds at sexual maturity

A cryptorchid is an animal whose testicles do not drop into the scrotal sacs at birth. A cryptorchid bull will typically be able to produce spermatozoa that is viable and will fertilize an ovum of the ejaculate is used (though AI) to mate a cow

In our class discussion, the funnel like structure that catches the ova as they are released from the ovary of a sow during ovulation is known as the:

___ is the meiotic process that results in the development of an ovum in the cow

The increase in performance often observed in the crossbred progeny over the average performance of their parents is often referred to in genetics as: