Theory question 107
Livestock Management(a) Name four breeds of rabbits.
(b) Give two reasons why oestrus detection is important in farm animals.
(c) State four functions of each of the following hormones in farm animals: (i) androgen; (ii) oestrogen.
(d)(i) List two viral diseases of poultry (ii) List two ecto-parasites of poultry.
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(a) Any four: New Zealand White; Californian; Chinchilla; Flemish Giant; Dutch; Angora; Rex; local rabbit
(b) Any two: to mate/inseminate at the right time; increases conception rate; avoids wasting time and feed on open females; helps plan births; detects reproductive problems
(c)(i) Androgen (testosterone): male secondary sex characters; sperm production; sex drive (libido); muscle growth; development of accessory sex glands
(ii) Oestrogen: heat/oestrus behaviour; female secondary sex characters; development of mammary glands; prepares the uterus for pregnancy; growth of the reproductive tract
(d)(i) Any two: Newcastle disease; fowl pox; Gumboro (infectious bursal disease); Marek's disease; avian influenza; infectious bronchitis
(ii) Any two: lice; mites; fleas; ticks; bed bugs
Lists under each part.