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BRITISH SHORTHAIR

BRITISH SHORTHAIR

CATS PREGNANCY CALENDAR


STAGES OF EMBRYO DEVELOPMENT - FROM CONCEPTION TO BIRTH


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Date
Days
2022-05-25
0
  • A heat period lasts about 4 to 7 days, if the girl is mated and a bit longer if don't.
  • After successful mating the sperm swim through the cervix.
  • Coverings shouldn't lasts too long, because of different development stages of embryo.
  • Boy and the girl can be separated for 48 hours after some successful coverings happened in the first days. Matings in a short period of time (each N minutes) increase the concentration of Luteinizing Hormone (LH). LH aids in egg maturation and is needed to trigger ovulation and the release of eggs from the ovary.
    • 2022-05-26
    1
  • Ovulation, the release of a mature egg from its developing follicle in the outer. The act of mating stimulates and induces ovulation. Ovulation takes place about 24-36 hours after covering.
    • 2022-05-26
    2022-05-27
    1
  • Spermatozoa had already reached the Fallopian tube.
    • 2022-05-27
    2022-05-28
    2
  • Fertilization occurs in the oviducts.
    • 2022-05-28
    2022-05-30
    3
  • Fertilized eggs pass into a uterine horn.
  • While migrating the eggs will grow into a blastocysts.
    • 2022-06-05
    2022-06-07
    11
  • Developing embryo, moving as a blastocyst through a uterus, makes contact with the uterine wall.
    • 2022-06-05
    2022-06-18
    11
  • Blastocysts develops into an embryos.
  • It will take 2 weeks to develop the major organs and the skin is forming.
    • 2022-06-08
    14
  • The placenta starts to form. Begin of the spinal cord development.
    • 2022-06-09
    15
  • The circulatory system is starting to develop.
  • Is possible to distinguish the head and the tail.
  • Boy embryos produce testosterone. Because of this if a the girl is placed between two boys, she can be more aggressive than other the girls.
    • 2022-06-11
    17
  • The embryo size is about 1 cm.
  • The digestive tract has developed.
  • The mouth and cerebellum are forming.
  • Can be distinguished the placement of the eyes and ears.
    • 2022-06-12
    18
  • The forelegs begin to develop.
    • 2022-06-13
    19
  • The embryo size now is about 2 cm.
  • The hind legs begins to develop.
  • The cerebrum and brainstem are in place.
    • 2022-06-14
    20
  • The eyes have color.
  • The forelegs have an internal skeleton.
  • The circulatory system is now carrying blood.
  • The hearts are the size of a pinhead.
  • The internal organs are formed.
  • The spinal cord reaches into the tail.
    • 2022-06-15
    2022-06-21
    21
  • 3 weeks of pregnancy. From now can be seen signs of pregnancy, pink and enlarged nipples and thinner fur around them.
  • Due to hormonal changes, nausea with vomiting might occur. Feeding several small meals a day might help.
    • 2022-06-16
    2022-06-18
    22
  • The skeleton is made of cartilage. Can be noticed ear-holes, palate and tongue are formed.
    • 2022-06-17
    2022-06-19
    23
  • The nervous system, spinal cord and brain develop a little bit more.
    • 2022-06-19
    2022-06-22
    25
  • The embryos now are complete and become known as fetuses.
  • Skeletons are formed of 247 bones and begin to calcify.
  • Fetuses are now 4 cm by 2 cm.
  • Heads develop a chin, mouth, nose, cheeks and teeth.
    • 2022-06-20
    26
  • An experienced breeder or veterinarian can count the pea-sized fetuses.
    • 2022-06-22
    2022-06-26
    28
  • The mother should be fed a foods kittens for appropriate development of fetuses.
    • 2022-06-26
    2022-07-02
    32
  • Nerves and muscles are developing. Kittens are already kicking their siblings. They do not yet have fur, but already have claws and the iris is formed in the eye.
  • The queen is now noticeably bigger.
    • 2022-06-29
    35
  • The uterus fills with liquid and is impossible by palpation to determine the precise number of fetuses.
    • 2022-07-02
    2022-07-07
    38
  • Skin becomes thicker, ears bigger and the tail lengthens. Mother now start preparation for feeding kittens.
    • 2022-07-07
    2022-07-12
    43
  • Silky fur is developed and body have already pigmentation.
  • The queen search a suitable place for labor and is a time to show her to her nesting box.
    • 2022-07-12
    2022-07-16
    48
  • Two million hairs have developed in the nose.
  • The fetuses practice grooming already, wipes their paws over their mouths.
  • Mother now drinks 0.5-1 liter of water per day to replace kittens' amniotic fluids. You can help her with a cat drinking fountain.
    • 2022-07-14
    50
  • Can be already difficult for the queen to groom herself and you can help her gently cleaning with warm water vulva and nipples.
  • You can prepare the queen for kittens feeding and trim the hairs around the nipples for easier access for the kittens.
    • 2022-07-22
    2022-07-28
    58
  • On daily basis take a cat's rectal temperature until kittens birth.
    • 2022-07-23
    2022-07-26
    59
  • The queen's breasts swell and can already produce milk.
    • 2022-07-25
    2022-07-28
    61
  • Cat's behavior changes, she looks nervous and continuously following you.
    • 2022-07-28
    2022-07-29
    64
  • 12-24 hours before labor will begin, cat's temperature may drop from 38.5 to 37.5 degrees Celsius and you can prepare for the birth of kittens.
  • A discharge is normal as her body counts down to kitten time
    • 2022-07-29
    65
  • 65 days of pregnancy. Today is estimated due, but labor may take place from the 60th to the 70th day. Kittens born earlier, probably can't survive.
  • After kittens birth you may be interested in kittens development calendar