breeding plans for small ruminants & poultry Flashcards
large primary follicles grow ________ fibres
coarse
fibre producing follicles are of two types. i.e.
- large PRIMARY follicles
2. small SECONDARY follicles
small secondary follicles produce _____ fibres
finer
diameter of wool is more or less than hair
LESS(wool fibres are smaller in diameter)
wool has pigment in cortex or not?
NO(most wool is free of pigment)
FINE wool sheep may have _______ fibres/sq inch of skin area
50,000
COARSER wool sheep may have _______ fibres/sq inch of skin area
5000
wool fibres grow from base or tip?
BASE
wool fibre contain two layers of cells i.e.
- epidermal layer
2. cortex
some wool fibres have third cell layer called __________, in between epidermal layer & cortex
medula
wool is composed mainly of ______ protein
keratin
name 3 indian GOAT breeds used to upgrade non-descript breeds?
- Jamnapari
- Beetal
- Barbari
name 2 fine wool exotic sheep breeds
- Rambouillet
2. Merino
name 2 mutton exotic sheep breeds
- Suffolk
2. Dorset
name 2 sheep breeds of rajasthan which are being cross bred with Rambouillet & Merino for finewool
- Nali
2. Chokla
________ breed of sheep is used for improving pelt production
Karakul
there are _____ well recognized breeds of goats in india
20
how much % of goats in india are non-descript?
75-80%
only 20-25% are well recognized breeds
_______ exotic goat breed is used for improving meat production in dry areas of india
Boer
_________ is the best quality pashmina breed of goat in world
orenburg
name any pashmina goat breed of india?
changthangi
best indian goat breed for milk?
Jamnapari
best indian goat breed for meat?
Black Bengal
best indian goat breed for fibre?(HINT:there are 2)
- Chegu
2. Changthangi