Animal Reproduction 1.4
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Questions and Answers

What is a common behavioral change exhibited by a rabbit in proestrus?

  • Increased affection towards owners (correct)
  • Loud, high-pitched calls
  • Aggression towards owners
  • Decreased appetite

    • What is a physical indication of a rabbit in proestrus?

  • A swollen abdomen
  • Dilated pupils
  • A red vulva (correct)
  • Ears laid back

    • What is a typical posture exhibited by a rabbit in oestrus?

  • Rearing up on hind legs
  • Lordosis, with back arched downwards and hindquarters raised (correct)
  • Lying on its side
  • Crouching with ears laid back

    • What is a common vocalization exhibited by a rabbit in proestrus?

    <p>Short, low calls</p> Signup and view all the answers

    Why does a rabbit in proestrus engage in urine marking?

    <p>To signal receptivity to mate</p> Signup and view all the answers

    What is a notable behavioral change in a rabbit during proestrus?

    <p>Being more affectionate to owners</p> Signup and view all the answers

    What is the primary purpose of urine marking in a rabbit during proestrus?

    <p>To prepare for mating</p> Signup and view all the answers

    Which of the following is NOT a reliable indication of a rabbit in oestrus?

    <p>Rabbit behaviour</p> Signup and view all the answers

    What is the physical posture exhibited by a rabbit during oestrus?

    <p>Arched back and raised hindquarters</p> Signup and view all the answers

    What might a rabbit do when it is feeling anxious or threatened during oestrus?

    <p>Crouch in a corner and show aggression</p> Signup and view all the answers

    What is the purpose of urine marking in a rabbit during proestrus?

    <p>To signal to other rabbits that it is ready to mate</p> Signup and view all the answers

    What is a common physical indication of a rabbit in proestrus?

    <p>A red vulva</p> Signup and view all the answers

    Why might a rabbit become aggressive during oestrus?

    <p>Due to feelings of anxiety or threat</p> Signup and view all the answers

    How might a rabbit in proestrus behave around its owner?

    <p>It becomes more affectionate and playful</p> Signup and view all the answers

    What posture might a rabbit in oestrus exhibit?

    <p>A raised hindquarter and arched back</p> Signup and view all the answers

    What is the key difference between natural mating and artificial insemination?

    <p>The level of human control involved</p> Signup and view all the answers

    Who is in control of the male product and female interaction in artificial insemination?

    <p>The human</p> Signup and view all the answers

    What is the primary role of the male in natural mating?

    <p>To seek out the female in oestrus</p> Signup and view all the answers

    What is the purpose of artificial insemination?

    <p>To increase the success rate of fertilization</p> Signup and view all the answers

    What is the difference in the level of contact between the male and female in natural mating versus artificial insemination?

    <p>In natural mating, there is more contact, while in artificial insemination, there is less contact</p> Signup and view all the answers

    What is the primary function of the male in the natural mating process?

    <p>To locate and mate with a female in oestrus</p> Signup and view all the answers

    What is the key difference between natural mating and artificial insemination?

    <p>The level of control over the male and female interaction</p> Signup and view all the answers

    What is the primary advantage of artificial insemination over natural mating?

    <p>Control over the male and female interaction</p> Signup and view all the answers

    Who is responsible for transferring the sperm in artificial insemination?

    <p>The human</p> Signup and view all the answers

    What is the outcome of the lack of contact between the male and female in artificial insemination?

    <p>No impact on fertility or disease transmission</p> Signup and view all the answers

    What is the purpose of the male's mounting behavior?

    <p>To facilitate mating</p> Signup and view all the answers

    What happens to the male's bulbus glandis during mating?

    <p>It engorges</p> Signup and view all the answers

    What is the primary function of the male's bulbus glandis during mating?

    <p>It engorges and causes thrusting</p> Signup and view all the answers

    What happens to the male's penis after ejaculation?

    <p>It remains in the vagina for a short period of time</p> Signup and view all the answers

    What is the purpose of the male's mounting behavior?

    <p>To mate with the female</p> Signup and view all the answers

    What is the primary purpose of the male's licking behavior during courtship?

    <p>To assess the female's reproductive status</p> Signup and view all the answers

    What is the duration of 'the tie'?

    <p>It lasts for around 5 minutes to 1 hour</p> Signup and view all the answers

    What happens to the male's penis after ejaculation?

    <p>It becomes stuck in the vagina, resulting in 'the tie'</p> Signup and view all the answers

    What is the purpose of the male's mounting behavior?

    <p>To position himself for mating</p> Signup and view all the answers

    What happens to the male's bulbus glandis during mating?

    <p>It engorges, facilitating mating</p> Signup and view all the answers

    What is the duration of 'the tie'?

    <p>5 minutes to 1 hour</p> Signup and view all the answers

    What is the primary purpose of the male's mounting behavior?

    <p>To allow penetration and ejaculation</p> Signup and view all the answers

    What happens to the male's bulbus glandis during mating?

    <p>It engorges and swells</p> Signup and view all the answers

    Why is it important not to forcibly separate the male and female during the 'tie'?

    <p>To avoid harming the female</p> Signup and view all the answers

    How often do canines typically mate during the breeding season?

    <p>Twice, on days 11 and 13 after the start of proestrus</p> Signup and view all the answers

    What is the purpose of the male's mounting behavior without an erection?

    <p>To prepare for penetration</p> Signup and view all the answers

    How long can sperm survive in the female?

    <p>Up to 7 days</p> Signup and view all the answers

    What happens to the female's vaginal muscles during the 'tie'?

    <p>They constrict</p> Signup and view all the answers

    What is the primary reason for infertility in canines?

    <p>Mating at an inappropriate time</p> Signup and view all the answers

    How often do canines typically mate during the breeding season?

    <p>Twice</p> Signup and view all the answers

    Study Notes

    Proestrus Stage

    • Increased appetite is a characteristic of the proestrus stage
    • Restlessness is a behavioral trait exhibited during proestrus
    • Females in proestrus emit short, low calls
    • They become more affectionate towards owners
    • Urine marking occurs in this stage, indicating a readiness to mate
    • This stage precedes full heat

    Oestrus Identification

    • A red vulva is a possible indication of oestrus, but not definitive proof
    • Lordosis, characterized by an arched back and raised hindquarters, is a specific sign of oestrus
    • Crouching in a corner and displaying aggression may be observed
    • Rabbit behavior, such as lordosis, is a more reliable indicator of oestrus than behavioral changes

    Proestrus Stage

    • Increased appetite is a characteristic of the proestrus stage
    • Restlessness is a behavioral trait exhibited during proestrus
    • Females in proestrus emit short, low calls
    • They become more affectionate towards owners
    • Urine marking occurs in this stage, indicating a readiness to mate
    • This stage precedes full heat

    Oestrus Identification

    • A red vulva is a possible indication of oestrus, but not definitive proof
    • Lordosis, characterized by an arched back and raised hindquarters, is a specific sign of oestrus
    • Crouching in a corner and displaying aggression may be observed
    • Rabbit behavior, such as lordosis, is a more reliable indicator of oestrus than behavioral changes

    Proestrus Stage

    • Increased appetite is a characteristic of the proestrus stage
    • Restlessness is a behavioral trait exhibited during proestrus
    • Females in proestrus emit short, low calls
    • They become more affectionate towards owners
    • Urine marking occurs in this stage, indicating a readiness to mate
    • This stage precedes full heat

    Oestrus Identification

    • A red vulva is a possible indication of oestrus, but not definitive proof
    • Lordosis, characterized by an arched back and raised hindquarters, is a specific sign of oestrus
    • Crouching in a corner and displaying aggression may be observed
    • Rabbit behavior, such as lordosis, is a more reliable indicator of oestrus than behavioral changes

    Natural Mating

    • Male seeks out female in oestrus, controlled by male and female interaction
    • Male and female naturally engage in mating process

    Artificial Insemination (AI)

    • Human is in control of male product and female interaction
    • Semen is transferred past female cervix, no contact between male and female

    Natural Mating

    • Male seeks out female in oestrus, controlled by male and female interaction
    • Male and female naturally engage in mating process

    Artificial Insemination (AI)

    • Human is in control of male product and female interaction
    • Semen is transferred past female cervix, no contact between male and female

    Canine Mating

    • Canine mating occurs during oestrus, a period of sexual receptivity in females.
    • The length of courtship by the male is variable.
    • The male's courtship behavior includes licking the female's vulva.
    • The female stands with her tail to one side, indicating receptivity.
    • Mounting occurs, but the male does not have an erection.
    • The male penetrates the vagina, and his bulbus glandis (a swelling in the penis) engorges, facilitating thrusting.
    • The male dismounts and turns around, but his penis remains in the vagina, a phenomenon known as "the tie".
    • Ejaculation occurs during "the tie", which can last anywhere from 5 minutes to 1 hour.

    Canine Mating

    • Canine mating occurs during oestrus, a period of sexual receptivity in females.
    • The length of courtship by the male is variable.
    • The male's courtship behavior includes licking the female's vulva.
    • The female stands with her tail to one side, indicating receptivity.
    • Mounting occurs, but the male does not have an erection.
    • The male penetrates the vagina, and his bulbus glandis (a swelling in the penis) engorges, facilitating thrusting.
    • The male dismounts and turns around, but his penis remains in the vagina, a phenomenon known as "the tie".
    • Ejaculation occurs during "the tie", which can last anywhere from 5 minutes to 1 hour.

    Canine Mating

    • Canine mating occurs during oestrus, a period of sexual receptivity in females.
    • The length of courtship by the male is variable.
    • The male's courtship behavior includes licking the female's vulva.
    • The female stands with her tail to one side, indicating receptivity.
    • Mounting occurs, but the male does not have an erection.
    • The male penetrates the vagina, and his bulbus glandis (a swelling in the penis) engorges, facilitating thrusting.
    • The male dismounts and turns around, but his penis remains in the vagina, a phenomenon known as "the tie".
    • Ejaculation occurs during "the tie", which can last anywhere from 5 minutes to 1 hour.

    Canine Mating

    • Mating occurs during oestrus, with a variable length of courtship by the male
    • The male licks the vulva during courtship

    Mating Process

    • The dam stands with her tail to one side during mounting
    • The male mounts without an erection and penetrates the vagina
    • During penetration, the male's bulbus glandis engorges, resulting in thrusting
    • After ejaculation, the male dismounts and turns around, but his penis remains in the vagina, known as "the tie"

    The Tie

    • The tie lasts for 5 minutes to 1 hour
    • During this time, the bulbus glandis swells, and the vaginal muscles constrict
    • It is essential not to forcibly separate the mating pair during the tie

    Mating Frequency and Fertility

    • Optimal mating occurs on days 11 and 13 after the start of proestrus
    • Sperm can survive in the female reproductive tract for up to 7 days
    • Infertility can result from mating at the incorrect time

    Canine Mating

    • Mating occurs during oestrus, with a variable length of courtship by the male
    • The male licks the vulva during courtship

    Mating Process

    • The dam stands with her tail to one side during mounting
    • The male mounts without an erection and penetrates the vagina
    • During penetration, the male's bulbus glandis engorges, resulting in thrusting
    • After ejaculation, the male dismounts and turns around, but his penis remains in the vagina, known as "the tie"

    The Tie

    • The tie lasts for 5 minutes to 1 hour
    • During this time, the bulbus glandis swells, and the vaginal muscles constrict
    • It is essential not to forcibly separate the mating pair during the tie

    Mating Frequency and Fertility

    • Optimal mating occurs on days 11 and 13 after the start of proestrus
    • Sperm can survive in the female reproductive tract for up to 7 days
    • Infertility can result from mating at the incorrect time

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    Description

    Identify the signs of proestrus and oestrus in rabbits, including changes in behavior and physical characteristics. Learn to distinguish between signs of heat and normal rabbit behavior.

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