Animal Reproduction 1.3
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What is the average length of the oestrous cycle in cattle?

  • 25 days
  • 30 days
  • 15 days
  • 21 days (correct)

    • Which animals have the longest oestrous cycle?

  • Swine
  • Sheep
  • Cattle
  • Horses (correct)

    • What is the shortest oestrous cycle among the given animals?

  • Horses
  • Sheep (correct)
  • Cattle
  • Swine

    • Which two animals have the same oestrous cycle range?

    <p>Cattle and Swine</p> Signup and view all the answers

    What is the range of the oestrous cycle in dogs?

    <p>14 to 21 days</p> Signup and view all the answers

    What is the longest duration of oestrus in swine?

    <p>72 Hours</p> Signup and view all the answers

    Which animal has the longest duration of oestrus?

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

    Which animal has the shortest oestrous cycle?

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

    What is the range of the duration of oestrus in cats?

    <p>3 to 14 Hours</p> Signup and view all the answers

    What is the common duration of oestrus in cattle and horses?

    <p>3 to 8 Days</p> Signup and view all the answers

    Which animals have the same duration of oestrus range?

    <p>Dogs and cats</p> Signup and view all the answers

    What is the difference between the longest and shortest duration of oestrus in cattle?

    <p>21 Hours</p> Signup and view all the answers

    Which animal has a duration of oestrus that is more than twice the duration of oestrus in dogs?

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

    What is the common range of the oestrous cycle in swine and cattle?

    <p>19 to 23 Days</p> Signup and view all the answers

    In which animal does the duration of oestrus exceed the length of the oestrous cycle?

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

    What is the only animal in which the duration of oestrus is more than a day but less than a week?

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

    Which animal has a duration of oestrus that is closest to 24 hours?

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

    In which animal is the duration of oestrus less than half of the length of the oestrous cycle?

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

    What is the only animal in which the duration of oestrus is more than 2 days but less than 1 week?

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

    What is one of the signs of oestrus in females?

    <p>Mucous discharge</p> Signup and view all the answers

    What is a characteristic of females in oestrus?

    <p>They are more restless and receptive to males</p> Signup and view all the answers

    What is a physical sign of oestrus in females?

    <p>Swollen vulva</p> Signup and view all the answers

    What is a behavioral change associated with oestrus in females?

    <p>Restless behavior and receptivity to males</p> Signup and view all the answers

    What is a common indicator of oestrus in females?

    <p>Mucous discharge and swollen vulva</p> Signup and view all the answers

    What is a common reason for mating cattle and sheep during specific times of the year?

    <p>To coincide with the spring flush of grass</p> Signup and view all the answers

    What is a characteristic of cattle in oestrus?

    <p>They exhibit visually active mounting</p> Signup and view all the answers

    When do sheep usually give birth?

    <p>Between July to November</p> Signup and view all the answers

    What is a general sign of oestrus in females?

    <p>Swollen vulva</p> Signup and view all the answers

    What is the purpose of mating cattle and sheep during specific times of the year?

    <p>To coincide with the spring flush of grass</p> Signup and view all the answers

    What is a characteristic of cattle in oestrus?

    <p>They display visually active mounting</p> Signup and view all the answers

    When do sheep typically lamb?

    <p>Between July to November</p> Signup and view all the answers

    What is a common indicator of oestrus in females?

    <p>All of the above</p> Signup and view all the answers

    When are cows normally mated?

    <p>Between September to the next year</p> Signup and view all the answers

    What is a common reason for mating cattle and sheep during specific times of the year?

    <p>To coincide with the spring flush of grass</p> Signup and view all the answers

    Which of the following is a specific sign of oestrus in cattle?

    <p>Visually active mounting</p> Signup and view all the answers

    What is the typical period for lambing in sheep?

    <p>July to November</p> Signup and view all the answers

    Which of the following is a general sign of oestrus in females?

    <p>Mucous discharge and restless behavior</p> Signup and view all the answers

    When are cows normally mated?

    <p>From September</p> Signup and view all the answers

    What is the primary reason for mating cattle and sheep during specific times of the year?

    <p>To take advantage of the spring flush of grass</p> Signup and view all the answers

    What is a characteristic of females in oestrus that is not specific to a particular species?

    <p>Restless behavior and mucous discharge</p> Signup and view all the answers

    When do sheep typically give birth, relative to the mating period?

    <p>Several months after mating</p> Signup and view all the answers

    What is a specific sign of oestrus in cattle that is not observed in sheep?

    <p>Visually active mounting</p> Signup and view all the answers

    When are cows normally mated, relative to the calving period?

    <p>Several months before calving</p> Signup and view all the answers

    What is a sign of heat in pigs?

    <p>Riding pen mates and seeking the boar</p> Signup and view all the answers

    How is pregnancy diagnosed in horses?

    <p>Using an ultrasound probe and manual examination</p> Signup and view all the answers

    What is a characteristic of horses in oestrus?

    <p>They exhibit a strong interest in the stallion</p> Signup and view all the answers

    What is a common feature of oestrus in pigs and horses?

    <p>A desire to mate with a specific animal</p> Signup and view all the answers

    What is a characteristic of pigs in heat?

    <p>They are immobilized in response to back pressure</p> Signup and view all the answers

    What is a specific time-related characteristic of horse breeding?

    <p>It usually occurs in the spring months</p> Signup and view all the answers

    What is a sign of heat in horses?

    <p>Elevated hind quarters towards males</p> Signup and view all the answers

    How is pregnancy diagnosed in horses?

    <p>By ultrasound probe and by hand</p> Signup and view all the answers

    What is a common feature of oestrus in pigs and horses?

    <p>Vulva swelling</p> Signup and view all the answers

    What is a characteristic of females in proestrus?

    <p>They are attracted to males but do not mate</p> Signup and view all the answers

    What is a typical sign of heat in pigs?

    <p>Vulva swelling</p> Signup and view all the answers

    How is pregnancy diagnosed in horses?

    <p>Through ultrasound probe</p> Signup and view all the answers

    What is a characteristic of horses in oestrus?

    <p>Tease with stallion and will go nose to nose</p> Signup and view all the answers

    What is a common feature of oestrus in pigs and horses?

    <p>Swollen vulva</p> Signup and view all the answers

    What is a specific time-related characteristic of horse breeding?

    <p>Usually in the spring</p> Signup and view all the answers

    Study Notes

    Oestrous Cycle in Different Animals

    • The length of the oestrous cycle in cattle ranges from 19 to 23 days.
    • Sheep have an oestrous cycle that lasts between 14 to 19 days.
    • Swine, like cattle, have an oestrous cycle that lasts from 19 to 23 days.
    • Horses have the most variable oestrous cycle, ranging from 10 to 37 days.
    • The oestrous cycle in dogs lasts between 12 to 21 days.
    • The length of the oestrous cycle in cats is similar to that in dogs, ranging from 14 to 21 days.

    Oestrous Cycle Duration

    • Cattle: 19 to 23 days
    • Sheep: 14 to 19 days
    • Swine: 19 to 23 days
    • Horses: 10 to 37 days
    • Dog: 12 to 21 days
    • Cat: 14 to 21 days

    Oestrus Duration

    • Cattle: 6 to 27 hours
    • Sheep: 24 to 36 hours
    • Swine: 48 to 72 hours
    • Horses: 3 to 8 days
    • Dog: 10 to 14 days
    • Cat: 3 to 14 days

    Oestrous Cycle Duration

    • Cattle: 19 to 23 days
    • Sheep: 14 to 19 days
    • Swine: 19 to 23 days
    • Horses: 10 to 37 days
    • Dog: 12 to 21 days
    • Cat: 14 to 21 days

    Oestrus Duration

    • Cattle: 6 to 27 hours
    • Sheep: 24 to 36 hours
    • Swine: 48 to 72 hours
    • Horses: 3 to 8 days
    • Dog: 10 to 14 days
    • Cat: 3 to 14 days

    Oestrous Cycle Duration

    • Cattle: 19 to 23 days
    • Sheep: 14 to 19 days
    • Swine: 19 to 23 days
    • Horses: 10 to 37 days
    • Dog: 12 to 21 days
    • Cat: 14 to 21 days

    Oestrus Duration

    • Cattle: 6 to 27 hours
    • Sheep: 24 to 36 hours
    • Swine: 48 to 72 hours
    • Horses: 3 to 8 days
    • Dog: 10 to 14 days
    • Cat: 3 to 14 days

    General Signs of Oestrus

    • Swelling of the vulva is a visible indicator of oestrus
    • Mucous discharge is a common sign of oestrus, often accompanied by changes in vulva appearance
    • Restless behavior is a behavioral trait exhibited by females in oestrus, indicating a state of heightened excitement or agitation
    • Female receptivity to male is a key characteristic of oestrus, marking a period of sexual receptivity

    General Signs of Oestrus

    • Swollen vulva is a characteristic sign of oestrus
    • Mucous discharge is a common indicator of oestrus
    • Restless behavior is a notable sign of oestrus
    • Female receptivity to male is a key indicator of oestrus

    Specific Signs of Oestrus in Cattle

    • Visually active mounting is a distinctive sign of oestrus in cattle
    • Cattle are normally mated from September to optimize calving between June to October the next year
    • The breeding cycle in cattle is timed to coincide with the spring flush of grass

    Specific Signs of Oestrus in Sheep

    • Few external signs of oestrus are visible in sheep
    • Sheep are usually mated between February to May to ensure lambing occurs between July to November that year
    • The breeding cycle in sheep is also timed to coincide with the spring flush of grass

    General Signs of Oestrus

    • Swollen vulva is a characteristic sign of oestrus
    • Mucous discharge is a common indicator of oestrus
    • Restless behavior is a notable sign of oestrus
    • Female receptivity to male is a key indicator of oestrus

    Specific Signs of Oestrus in Cattle

    • Visually active mounting is a distinctive sign of oestrus in cattle
    • Cattle are normally mated from September to optimize calving between June to October the next year
    • The breeding cycle in cattle is timed to coincide with the spring flush of grass

    Specific Signs of Oestrus in Sheep

    • Few external signs of oestrus are visible in sheep
    • Sheep are usually mated between February to May to ensure lambing occurs between July to November that year
    • The breeding cycle in sheep is also timed to coincide with the spring flush of grass

    General Signs of Oestrus

    • Swollen vulva is a characteristic sign of oestrus
    • Mucous discharge is a common indicator of oestrus
    • Restless behavior is a notable sign of oestrus
    • Female receptivity to male is a key indicator of oestrus

    Specific Signs of Oestrus in Cattle

    • Visually active mounting is a distinctive sign of oestrus in cattle
    • Cattle are normally mated from September to optimize calving between June to October the next year
    • The breeding cycle in cattle is timed to coincide with the spring flush of grass

    Specific Signs of Oestrus in Sheep

    • Few external signs of oestrus are visible in sheep
    • Sheep are usually mated between February to May to ensure lambing occurs between July to November that year
    • The breeding cycle in sheep is also timed to coincide with the spring flush of grass

    General Signs of Oestrus

    • Swollen vulva is a characteristic sign of oestrus
    • Mucous discharge is a common indicator of oestrus
    • Restless behavior is a notable sign of oestrus
    • Female receptivity to male is a key indicator of oestrus

    Specific Signs of Oestrus in Cattle

    • Visually active mounting is a distinctive sign of oestrus in cattle
    • Cattle are normally mated from September to optimize calving between June to October the next year
    • The breeding cycle in cattle is timed to coincide with the spring flush of grass

    Specific Signs of Oestrus in Sheep

    • Few external signs of oestrus are visible in sheep
    • Sheep are usually mated between February to May to ensure lambing occurs between July to November that year
    • The breeding cycle in sheep is also timed to coincide with the spring flush of grass

    Reproductive Behavior in Pigs

    • Vulva swelling is a typical sign of heat in pigs
    • During oestrus, pigs exhibit riding behavior towards pen mates and seek the boar, but do not mount
    • Sows respond to back pressure by becoming immobilized

    Reproductive Behavior in Horses

    • Teasing with a stallion is a common method to detect oestrus in horses
    • During oestrus, horses will often go nose to nose with each other
    • The breeding season for horses typically occurs in the spring, when there are 16 hours of daylight
    • Pregnancy can be diagnosed in horses using an ultrasound probe and manual palpation

    Signs of Heat in Pigs

    • Vulva swelling is a typical sign of heat in pigs
    • Pigs in heat will ride pen mates and seek out the boar, but will not mount
    • Sows will immobilize in response to back pressure during oestrus

    Signs of Heat in Horses

    • Mares in heat will tease with stallions and go nose to nose with them
    • Horses typically come into heat in the spring when days are longer (16 hours of light)
    • Pregnancy can be diagnosed in horses using an ultrasound probe or by hand palpation

    Proestrus in Horses

    • Vulva becomes swollen and a bloody discharge is present
    • Female is attracted to the male but will not mate
    • Hind quarters are elevated towards males, and the tail is deflected
    • Horse becomes nervous, alert, and easily distracted, with increased urination

    Oestrus in Horses

    • Straw-coloured discharge is present during oestrus

    Signs of Heat in Pigs

    • Vulva swelling is a typical sign of heat in pigs
    • Pigs in heat will ride pen mates and seek out the boar, but will not mount
    • Sows will immobilize in response to back pressure during oestrus

    Signs of Heat in Horses

    • Mares in heat will tease with stallions and go nose to nose with them
    • Horses typically come into heat in the spring when days are longer (16 hours of light)
    • Pregnancy can be diagnosed in horses using an ultrasound probe or by hand palpation

    Proestrus in Horses

    • Vulva becomes swollen and a bloody discharge is present
    • Female is attracted to the male but will not mate
    • Hind quarters are elevated towards males, and the tail is deflected
    • Horse becomes nervous, alert, and easily distracted, with increased urination

    Oestrus in Horses

    • Straw-coloured discharge is present during oestrus

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    Description

    Know the duration of oestrous cycle in cattle, sheep, swine, horses, dogs, and cats. This quiz is perfect for veterinary students or anyone interested in animal reproduction.

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