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38 Cards in this Set
- Front
- Back
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What is the gestation period for a dog? |
63 days |
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What is the gestation period for a cat? |
65 days |
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What is the gestation period of a rabbit? |
35 days |
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What is the gestation period of a guinea pig? |
63 days |
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What is an allele? |
Alternative versions of the same gene |
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When is an embryo recognised as a foetus? |
35 days (canine) |
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When is an embryo recognised as a foetus? |
35 days (canine) |
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What does the umbilical cord consist of? |
Two umbilical arteries, umbilical vein, allantois duct, surrounded by Wharton’s jelly and contained with an outer layer of amnion |
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What is the allantois? |
Develops from the gut and receives urine from the kidneys |
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What is the chorion? |
Outer membrane of the embryo |
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What is the amnion? |
Inner layer of the embryo |
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What is the amnion? |
Inner layer of the embryo |
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What is the colour of marginal haematomas? |
Green in bitches Brown in queens |
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What are the four basic components of the embryo? |
Yolk sac, the chorion, amnion, allantois |
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What happens during prooestrus in the bitch? |
Vulval swelling and discharge - will not allow mating but show increased receptivity to the male. Oestrogen causes a thickening of the vaginal walk and an increase in epithelial cells. |
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What happens during oestrus? |
Bitch demonstrates characteristic behaviour - presentation of vulva and lifting tail up and stand to be mated. Progesterone is produced in low concentrations. |
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What happens during metoestrus? |
Presence of corpus luteum in ovaries - synonymous with pregnancy. Prolactin may be released from mammary glands. |
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What happens during anoestrus? |
Resting phase - no hormonal activity. Progesterone levels decline |
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What type of ovulators are cats? |
Seasonally polyoestrus |
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What happens during oestrus with cats? |
Persistent vocalisation, rolling and rubbing against intimate objects, deviation of tail and lordosis of the spine |
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What is interoestus in cats? |
No hormonal activity if not been mated. Lasts between 3-14 days |
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What is the gestation period for a ferret? |
42 days |
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What is the gestation period for chinchillas? |
112 days |
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What is the gestation period for guinea pigs? |
59-72 days |
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What is mammogenisis? |
The process and growth of development of the mammary gland |
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What is mammogenisis? |
The process and growth of development of the mammary gland |
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Define lactation |
Secretion of milk from the mammary gland |
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Define lactogenisis |
The process of developing the ability to secrete milk |
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Define galactogenisis |
The production of milk from the mammary gland |
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What is eclampsia? |
A complication leading to seizure activity and/or unexplained coma during pregnancy by high blood pressure |
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What are some postpartum complications? |
Eclampsia, placental retention, mastitis, alagactia |
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What is dioestrus? |
The period running between oestrus cycles |
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What animal is NOT an induced ovulator? |
Dog |
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What happens during stage 1 of parturition? |
Drop in temperature Onset of contractions Dam becomes restless, panting, refuses food Rupture of allantochorion Cervix starts to dilate |
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What happens during stage 1 of parturition? |
Drop in temperature Onset of contractions Dam becomes restless, panting, refuses food Rupture of allantochorion Cervix starts to dilate |
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What happens during stage 2 of parturition? |
Propulsion of foetus through the cervix and fully dilated Strong contractions Neonates will present posterior or anterior Visible lochia |
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What happens during stage 3 of parturition? |
Abdominal contractions continue but decrease Placenta is passed and dam may eat this Dark vulval discharge following whelping |
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What are some examples of congenital abnormalities? |
Hernia, atresia, hydrocephalus, cleft palates, polydactyl paws |
