Reproduction Recap Flashcards
Name the 4 stages of the reproduction cycle
Pro-oestrus
Oestrus
Met-oestrus/Di-oestrus
An-oestrus
Which 3 reproductive hormones are released from the Anterior Pituitary Gland?
Follicle Stimulating Hormone (FSH)
Lutenizing Hormone (LH)
Prolactin
What are the functions of the ovary?
To produce ova/eggs ready for fertilisation
Act as an endocrine gland and secrete hormones oestrogen and progesterone
What is a Graafian Foillicle?
The fluid-filled cavity that surrounds and protects the developing oocyte after 1st Meiotic division has taken place, but before ovulation
What is the Corpus Luteum?
The remaining tissue from the ruptured follicle after ovulation.
What shape is the uterus of the bitch and queen described as?
Bicornuate. A Y shaped structure with 2 uterine horns and a uterine body.
What is the definition of Polytocus / Multiparous
Give birth to multiple offspring
Pro-oestrus can be described by
The bitch will not allow mating but may show an interest in the male
This is the stage of increase oestrogen Enlargement of the vulva and a blood stained mucous discharge
Duration is approx. 9 days
Reproductive tract dominated by oestrogen
Oestrus can be described by
Straw coloured discharge
The vulva is markedly enlarged
The average duration is 9 days
Sexual desire is at its greatest intensity during the first two days
Ovulation approximately 12 days after onset of pro-oestrus due to surge of luteinising hormone
Met-oestrus / Di-oestrus can be described by
The corpus luteum produces progesterone
Lasts for approximately 70 days
From day 25 after ovulation, prolactin is produced
An-oestrus can be described as
This lasts from the end of metoestrus/dioestrus, to the onset of pro-oestrus
It is a period of normal activity
Behaviour and external appearance is normal
Usually last 3-9 months
