Role of hormones in reproduction - SS1 Agriculture Past Questions and Answers - page 1
What hormone stimulates the release of LH and FSH from the pituitary gland in farm animals?
Estrogen
Progesterone
GnRH
Testosterone
Which hormone is responsible for triggering ovulation in female farm animals?
Estrogen
Progesterone
Luteinizing hormone (LH)
Follicle-stimulating hormone (FSH)
What role does testosterone play in male farm animals?
Stimulates ovarian follicles
Maintains pregnancy
Induces estrus
Promotes sperm production
Which hormone is crucial for maintaining the uterine lining during pregnancy in farm animals?
Estrogen
Progesterone
Luteinizing hormone (LH)
Follicle-stimulating hormone (FSH)
What is the primary function of prostaglandins in farm animal reproduction?
Triggering ovulation
Synchronizing estrus
Maintaining pregnancy
Stimulating sperm production
In farm animals, what is the purpose of superovulation?
Inducing estrus
Synchronizing estrus
Collecting embryos for transfer
Stimulating sperm production
Which hormone is responsible for initiating puberty and sexual maturity in farm animals?
Estrogen
Progesterone
c) GnRH
Testosterone
What is the primary function of Leydig cells in male farm animals?
Triggering ovulation
Producing estrogen
Maintaining pregnancy
Producing testosterone
How can hormones be used in farm animal management to time artificial insemination (AI)?
By promoting superovulation
By inducing estrus
By maintaining pregnancy
By stimulating sperm production
What reproductive phase involves the release of mature ova (eggs) from the ovaries in female farm animals?
Proestrus
Estrus
Metestrus
Ovulation