Genetics Basic Data for Midterm

University of Veterinary Medicine Budapest

The 2n chromosome number of the sheep

54

The horse's 2n chromosome number

64

The 2n chromosome number of a donkey

62

Bovine 2n chromosome number

60

Chromosome number (2n) of European pig

36

Goat's 2n chromosome number

60

The dog's 2n chromosome number

78

The cat's 2n chromosome number

38

2n chromosome number of poultry species

cca. 78-80

The human chromosome number 2n

46

Number of domestic species:

50 species

The mammalian domestic species average number of breeds

100-500

Genetic (rg) and phenotypic (rp) correlations in pigs: intensity of growth and feed conversion

rg\= -0.55 rp\= -0.45

Genetic (rg) and phenotypic (rp) correlations in pigs: intensity of growth and intramuscular fat:

rg\=0.05 rp\=0.30

Inheritance value (h2) of egg production and body weight in chickens:

rg\=0.00 rp\=-0.20

Egg production and inheritance (h2) values for egg weight in chickens:

rg\= - 0.05. rp \= 0.30

Heritability value (h2) for fertility:

0.1-0.2, low

Heritability value (h2) for meat production:

0.4-0.6

Heritability value (h2) for milk yield:

0.2-0.3, low

Heritability value (h2) for milk protein and fat %:

0.4-0.6, medium-high

"A" locus for inheritance of the coat colour in domesticated animals:

wild colours, agouti

"C" locus for inheritance of the coat colour in domesticated animals

polymorphic albino variants: chinchilla, Himalayan, acromelic, full albino, pigment dilution

"E" locus for inheritance of the coat colour in domesticated animals

melanocortin receptor, MC1R, red, yellow, extension

"G" locus for inheritance of the coat colour in domesticated animals

greying, early hair bleaching,

"W" locus for inheritance of the coat colour in domesticated animals

full white, kit, white

"R" locus for inheritance of the coat colour in domesticated cattle

colour and white intermediate, studded mixing, roan

"O" locus for inheritance of the coat colour in domesticated animals

white in motley horse, EDN, overo frame

"T" gene locus determining the colour inheritance of domestic animals:

white in variegated lake, tobiano

"S" gene locus determining the white region inheritance of domestic animals:

white spotted, variegated, KIT, Sabino spotting

Weight gain in young bull fattening:

1000-1500 g/day

Weight gain in young lamb and kid fattening:

350-420 g/day

Weight gain of fattened pigs:

600-900 g/day

Weight gain of broilers:

2 kg/5-6 weeks

Dressing out % from horse:

50-60%

Dressing out % from beef cattle:

50-60%

Killing out % in sheep:

48-50%

Killing out % of the chevon goat:

65%

Killing out % of pigs:

75%

Dressing out % of the meat rabbit:

60-70%

Dressing out % of hens, geese and ducks:

60-65%

Killing out % of the turkey:

70-80%

Killing out % of meat pigeon:

70%

Lactation fat yield and content record of 26-Auguszta, the Hungarian spotted cow of Jenő Dreher from Martonvásár

767.5 kg, 6,04 %

171-Dáma, the lactation milk yield record of Pál Esterházy's cow in 1934/35:

19 664 kg

Peak production of the Holstein Friesian per lactation today:

exceeds 30.000 l

The time result of a gallop in a horse over 1 km:

54.1 s/km

Trotting time result for a horse at 1 km:

1min and 9.7s/km

Jump height record in horse:

247 cm

Jumping distance record in horse:

840 cm

Kisbér, English thoroughbred stallion won as the second foreigner in 1876:

Epsom Derby followed by the Grand Prix de Paris

Kincsem, the unbeaten yellow wonder mare, born in Hungary

She started 54 races and won 54 times

Specific feed utilization in beef cattle fattening:

3-4 kg feed/1 kg liveweight

Specific feed conversion in lamb fattening:

2.5-3.5 kg feed/kg liveweight

Specific feed utilisation in intensive pig hybrid fattening:

2.6-2.8 kg feed/kg liveweight

Specific feed utilisation in rabbit fattening:

2.6-3.6 kg feed/kg liveweight

Specific feed utilisation in broiler chicken fattening:

1.5-2.3 kg/kg liveweight

Specific feed conversion in turkeys:

1.8-3.4 kg feed/kg liveweight

Specific feed conversion in goose fattening:

2.6-2.8 kg feed/kg liveweight

Specific feed conversion in duck fattening:

2.5-3.5 kg feed/kg liveweight

Specific feed conversion in guinea fowl fattening:

2.8-3.2 kg feed/kg liveweight

Specific feed conversion in meat pigeon squabs:

3.5-5.5 kg feed/kg live weight

Specific feed utilisation in hen egg production:

2.1-2.3 kg/kg egg

Annual egg production of the hen

100-300 pcs

The egg production of layer hybrids

290-310 pcs

Annual egg production of dual-purpose hen varieties:

150-250 pcs

Egg production of meat-type hens:

80-110 pcs

The weight of a hen's egg:

60-63 g

Annual egg production of geese:

12-70 pcs

Annual egg production of geese breeds:

12-20 pcs

Annual egg production of prolific geese breeds:

40-60 pcs

Annual egg production of intensive goose breeds using light program technology and egg weight:

70 pcs, weight 120-200g

Egg production of ducks:

100-300 pcs

Muscovy duck egg production:

80-120 pcs, weight: 60-100 g

Egg production of traditional turkey breeds:

45-50 egg, weight 80-90 g

Egg production of prolific turkey breeds:

90-120 pcs, weight 80-90 g

Extensive guinea fowl egg production:

70-100 pcs, 40-55 g

Quail egg production:

280-310 pcs, weight: 9 g

Pigeon egg production per brood:

2 pcs, 20-22 g

Fine wool fibre diameter:

10-30 µ (18-22µ)

Coarse wool fibre diameter:

30-50 µ

Coarse hair diameter:

50-250 µ

Rendement (wool base yield %, cleanliness ratio, the percentage of shorn greasy wool that is clean without grease) for sheep at 17% humidity

30-70% which varies greatly depending on the fat content and fineness

Adult body weights (highly dependent on breed and breed) in horses:

500-600 kg (30-1200 kg)

Adult body weights in cattle:

500-600 kg (400-1200 kg)

Adult body weights in sheep and goats:

40-80 kg (30-140 kg)

Adult body weights in pigs:

150-350 kg

Adult body weights in dogs:

5-40 kg; (1-120 kg)

Adult body weights in rabbits:

2-8 kg

Adult body weights in hens:

1.5-6.0 kg

Adult body weights in geese:

4-9 kg

Adult body weights in ducks:

2.5-4.5 kg

Adult body weights in turkey eggs:

3-11 kg

Adult body weights in turkey cockerels:

12-28 kg

Adult body weights in pearl:

2 kg

Milk yields of cattle

2000-13000 L/lactation

Milk fat content in cattle:

3.0-4.5 (6.0)%.

Cattle milk protein content:

3.5-4.0%.

Milk sugar content in cattle:

4.8-4.9%

Lactation production of industrial or concentrated milk producing breeds (e.g. Jersey):

4000-6500 kg lactation, 4.5-5.5% fat and 3.5-4% protein. 4.8-4.9% lactose

Lactation production of dairy breeds producing milk for consumption (e.g. Holstein-Friesian):

7000-12000 kg. 3.3-3.7% fat; 3.0-3.4% protein; lactose: 4.8-4.9%