Exercise ? Breeds of Poultry Flashcards by Kimberly Cassandra Bingbing

Overview of the Poultry Industry
Types of Operations
BLBLNGDQ

Broiler Operations
Layer Operations
Broiler Breeder Operations
Layer Breeder Operations
Native Chicken Ops
Gamefowl Ops
Duck Ops
Quail Ops

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Other Poultry
TOGGPE

Turkey
Ostrich
Guineafowl
Goose and Swan
Pheasant and Peafowl
Emu and Rhea

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Taxonomy of Chickens
4 species of junglefowl are recognized:
a. Gallus _ (red junglefowl)
b. Gallus _ (green junglefowl)
c. Gallus _ (grey junglefowl)
d. Gallus _ (Ceylon junglefowl)

gvsl

4 species of junglefowl are recognized:
a. Gallus gallus (red junglefowl)
b. Gallus varius (green junglefowl)
c. Gallus sonneratii (grey junglefowl)
d. Gallus lafayetii (Ceylon junglefowl)

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Taxonomy of Chickens
Subspecies of Gallus gallus
- G.g. _ - from Indochina
- Gg _ - Java
- Gg _ - Vietnam
- Gg _ - India and Bangladesh
- Gg _ - Burma
- Gg _ - domestic chicken

Scientific name: _ _ _

gbjmsd

Subspecies of Gallus gallus
- G.g. gallus - from Indochina
- Gg bankiva - Java
- Gg jabouillei - Vietnam
- Gg murghi - India and Bangladesh
- Gg spadiceus - Burma
- Gg domesticus - domestic chicken

Scientific name: Gallus gallus domesticus

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Classification of Chickens
Classes - _
Breeds - _
Variety - _
Strain - _

12 Classes
60 Breeds
175 Varieties

Breed > Variety > Strain

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Review on Chicken Breeds
MAEACGOM

Mediterranean Class
American Class
English Class
Asiatic Class
Continental Class
Game
Oriental
Miscellaneous Breeds

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Review on Chicken Breeds
_ _ - originating in Italy and Spain
- have white earlobes and tend to be productive layers of white eggs
- 7 AACLMSW
- _ - aka Black Leghorn
- _ - ultimate egg machine

A. Mediterranean Class
1. Ancona - aka Black Leghorn
2. Andalusian
3. Catalana
4. Leghorn - ultimate egg machine
5. Minorca
6. Sicilian Buttercup
7. White-faced Black Spanish

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Review on Chicken Breeds
A. Mediterranean Class
_ - origin: Italy
- ultimate egg machine (egg type
- very early maturing; non-broody
- model of modern egg type strains
- dark brown, light brown, white, buff, black, silver, red plummage
- produce M white eggs

Leghorn

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Review on Chicken Breeds
_ _ - contains 13 breeds which originated in Canada or the US
- all are heavy breed and most lay brown eggs
- 13 BCDDH JJLNP RRW
- _ _ - largest breed of chicken
- _ _ - white breed used as commercial broiler cross
- _ _ _ - dual purpose, based of most hybrid colored layers

JPR

B. American Class
1. Buckeye
2. Chantecler
3. Delaware
4. Dominique
5. Holland
6. Java
7. Jersey Giant - largest breed of chicken
8. Lamona
9. New Hampshire
10. Plymouth Rock - white breed used as commercial broiler cross
11. Rhode Island Red - dual purpose, based of most hybrid colored layers
12. Rhode Island White
13. Wyandotte

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Review on Chicken Breeds
_ _ - consists of 5 breeds from the UK and 1 from Australia
- 6 ACDORS
- _ - egg-laying champion

C. English Class
1. Australorp - egg-laying champion
2. Cornish
3. Dorking
4. Orpington
5. Redcap
6. Sussex

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Review on Chicken Breeds
_ _ - mainly from China; large, fetaher legged, lay brown eggs
- 3 BCL
- _ - one of oldest chicken breeds

D. Asiatic Class
1. Brahma
2. Cochin
3. Langshan - one of oldest chicken breeds

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Review on Chicken Breeds
_ _ - consists of 11 breeds from Belgium, France, Germany, Netherlands
- 11 BCCFHH LLMPW

E. Continental Class
1. Barnevelder
2. Campine
3. Crevecoeur
4. Faverolles
5. Hamburg
6. Houdan
7. La Fleche
8. Lakenveider
9. Marans
10. Polish
11. Welsummer

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Review on Chicken Breeds
_ - includes non-oriental _ birds
- 2 MO

F. Game
1. Modern Game
2. Old English Game

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Review on Chicken Breeds
_ - includes mainly birds from Asia
- 7 ACMPSSY
- _ - tallest breed of chicken

G. Oriental
1. Aseei
2. Cubalaya
3. Malay - tallest breed of chicken
4. Phoenix
5. Shamo
6. Sumatra
7. Yokohama

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Review on Chicken Breeds
_ _ - holds other remaining breeds
- 4 AANS
- _ - lay blue eggs
- _ - lay blue eggs

H. Miscellaneous Breeds
1. Ameraucana - lay blue eggss
2. Araucana - lay blue eggs
3. Naked-neck
4. Sultan

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Questions
1. Breed of chicken considered as ultimate egg machine producing M white eggs

Leghorn - Mediterranean Class

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Questions
2. dual purpose breed that produces tinted M brown eggs and is considered as the world champion in egg laying

Australorp - English Class

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Questions
3. largest breed of chicken

Jersey Giant

Largest Chicken Breeds
- Jersey Giant - 10 lbs
- Brahma - 9 lbs
- Cochin - 8.5 lbs
- Cornish - 8 lbs
- Orpington - 8 lbs

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Breeds of Chickens in the Philippines
BPDJ

Banaba - Banaba Black, Banaba Brown
Paraoakan
Darag
Joloanon

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Breeds of Chickens in the Philippines
_ - origin: Bauan, _
- _ - yellow red plummage with black wings and tail feathers and bright orange hackles
- unusually large head with a single comb and bright red earlobes
- slate color feet with spur in each leg
- _ - brown and similar in color with _ red junglefowl
- most have a spur in each leg
- promising characteristics for egg production and growth
- _ males are noted for high flying ability (cockfighting)
- _ Black and Brown

Banaba
- origin: Bauan, Batangas
- male
- female
- Banaba

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Breeds of Chickens in the Philippines
_ - origin: _
- _ - rose comb with bright red earlobes and wattles
- horn colored upper beak, yellow lower beak
- _ - black plummage with metallic greenish sheen
- black shanks, brown eyes
- biggest strain of native chicken in the country
- Mottled and White _

Paraoakan
- origin: Palawan
- male
- female

parang dalmatian

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Breeds of Chickens in the Philippines
_ - origin: _, _ _
- _ - single comb, red wings and hackles, black feathers and tails
- _ - single comb, yellowish brown plummage
- earlobes are usually white, gray shanks
- superior and unique meat quality

Darag - origin: Panay, Western Visayas
- male
- female

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Breeds of Chickens in the Philippines
_ - origin: _, Mindanao
- _ - red to orange plummage, tail is black or black with white
- _ - brown plummage
- peacomb for both males and females, red earlobes, yellow to white shanks
- heavy breed with straight upright body posture

Joloanon - origin: Basilan, Mindanao
- male
- female

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Other Genetic Groups of Native Chickens
BCZ BPM

Bolinao
Camarines
Zampen
Boholano
Palanan
Manok Bisaya

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Other Genetic Groups of Native Chickens _ - origin: _, Pangasinan - _ - red plummage with black breast and tail feathers, bright orange hackles - slate to gray feet color, bright red earlobes - _ - light brown plummage with black tail feathers and yellowish brown black - usually white earlobes, slightly slate feet - roosters are popularly raised for cockfighting

Bolinao - origin: Bolinao, Pangasinan - male - female

Other Genetic Groups of Native Chickens _ - origin: _ Region - _ - white and orange pattern with orange tinge hackles, white earlobes and single comb - alternating patches of black and white scales on legs, white with brown streak beak - _ - short legged with distinct orange shade between wattles and breast - pale yellow shanks, blackish patches on legs and feet, grayish black with distinct banding tail - male is popular for cockfighting due to vise-like grip of its beak

Camarines - origin: Bicol Region - male - female

Other Genetic Groups of Native Chickens _ - origin: _ Peninsula - product of purification of Joloanon chicken - _ - reddish black plummage - _ - black plummage with occasional white specks - both have gray shank, pea comb, red earlobe, orange iris - known for tender meat, sweet flavor, ability to grow faster than other native chickens

Zampen - origin: Zamboanga Peninsula - male - female

Other Genetic Groups of Native Chickens BPM

Boholano - from Bohol Palanan - Isabela Manok Bisaya - Cebu

Popular Commercial Broiler Strains Broiler Strains CA

Cobb - Cobb500, Cobb700, CobbMVMale, Cobbsasso Aviagen - Arbor Acres, Indian River, Ross

Broiler Strains Cobb _ - the world's most efficient broiler - lowest cost of live weight produced - superior performance on lower cost feed rations - most feed efficient - excellent growth rate - best broiler uniformity for processing - competitive breeder

1. Cobb500

Broiler Strains Cobb _ - the standard in the high yield broiler market - highest meat yield, best breast meat yield - unbeatable efficiency and cost - leading broiler performance at higher weights - preferred fillet profile - competitive breeder

2. Cobb700

Broiler Strains Cobb _ - delivering superior breeder and broiler performances - excellent feed conversion and improved meat yield - greater hatchability, fertility, and livability for life of flock - adaptable to various weights, environments and nutritional programs - tested globally for over 7 years

3. CobbMVMale

Broiler Strains Cobb _ - maximum average growth rate of 45 g/day - ideal for certified, free range and organic systems - excellent livability, superior feed conversion - carcass uniformity, succulent taste

4. Cobbsasso

Broiler Strains Aviagen _ _ - available in 2 types: - produces sexable broilers (Plus S) - produces all fast-feathering broilers (Plus) - sexable type produces fast feathering female broilers and slow feathering male broilers - allow broilers to be sexed in hatchery by evaluating feather development differences - etc

1. Arbor Acres

Broiler Strains Aviagen _ _ broiler - available in 2 types: - slow feathering bird which produces sexable broilers - all fast feathering broilers

2. Indian River

Broiler Strains Aviagen _ - _ 308 and _ 308 FF

3. Ross - Ross 308 and Ross 308 FF

Broiler Strains Strain of Broilers | Local Sources Table 13 AAACHL PPRSHST

Strain of Broilers | Local Sources 1. Anak 180/Anak 2000 - Amorsolo Trading 2. Arbor Acres - Purefoods Corp, San Miguel Inc 3. Avian - Purefoods Corp 4. Cobb 500 - Vitarich Corp 5. Hubbard - Math Agro Corp 6. Lohman (Broiler) - Console Farm 7. Peterson - Republic Flour Mill 8. Pilch - General Milling Corp 9. Ross - Purefoods Corp 10. Starbro - Universal Robino Corp 11. Hybro - Win Mar 12. Sanders - Sander's Breeding Farm 13. Tatum Broilers - Antonio's Agromix

Popular Commercial Layer Strains Layer Strains LHHI

Lohmann Tierzucht - Lohmann LSL-Classic, Brown-Classic, LSL-Lite, Brown-Lite, LSL-Extra, Brown-Extra, Sandy, Tradition, Silver Hy-Line - Hy-Line W-36, Brown, Silver Brown, Sonia H&N International - Nick Chick, Super Nick, Brown Nick, Coral, Silver Nick ISA A Hendrix Genetics Company - Babcock White, Babcock Brown, Dekalb White, Dekalb Brown, Shaver White, Shaver Black

Layer Strains Strains of Layers | Local Sources 9 ABDHH KSLT

1. Arbor Acres - San Miguel Corp 2. Babcock - Virtarich 3. Dekalb - General Milling Corp 4. Hgline - Win Mar Poultry Farm 5. H&N - Republic Flour Mill 6. Kimber - Lorenzo Poultry Farm 7. Starcross - Robina Farms 8. Lohmann (LSL) - Console 9. Tatum T100 - Antonio's Agromix

Review of Ducks and Other Poultry Breeds Mallard Ducks Purpose | Breed Egg Type - NKCIT Meat Type - P

Egg Type - Native or Pateros, Khaki Campbell, Cherry Valley, Indian Rinner, Tsaiya Meat Type - Pekin Duck

Mallard Ducks - Egg Type _ Duck/_ Duck - commonly called itik - good layers and non-sitters - predominantly black and gray, some are barred (bulek), others are brown or have white feathers mixed with black/green - _ - coarser heads and heavier bodies, emit shrill high pitch sounds, curly feathers on top of tails - _ - emit low pitch quacking sounds, tail feathers lie flat or close to bodies

Native Duck/Pateros Duck - itik - male - female

Ducks _ _ - product of continuous breeding of traditional Pateros duck - has 3 strains: - IP-_ - IP-_ - IP-_ - IP produces more eggs of up to 55 pcs per duck with at least 80% of egg produced weight 65g or more

Itik Pinas - has 3 strains: - IP-Itim - IP-Khaki - IP-Kayumanggi

Mallard Ducks _ _ - world's first hybrid egg-type duck known as CV2000 developed at __ _ farms, England - has white plummage, lays its egg at about 20 weeks of age - could lay 285 eggs up to 72 weeks of age with a mean egg weight 75 kg - white or greenish eggs

Cherry Valley

Mallard Ducks _ _ - developed in Taiwan, name means vegetable duck - Kaiya duck is cross of _ duck and Pekin duck - has very long, thin neck and upright carriage - come in 2 varieties: - one strain has brown feathers (Brown _) - other strain has white feathers, orange or yellow beak, orange legs - lay up to 230 eggs per year

Tsaiya Duck

Questions 4. breed of ducks that have an upright (erect) carriage and body is almost perpendicular to the ground

Indian Runner - aka penguin ducks

Questions 5. A Moulard is cross between

Muscovy drakes and Pekin hen - Muscovy drakes X Mallard ducks - mule, mulard, or moulard ducks (hybrids) - 20-30% fertility; 32 days incubation period - sterile; used for meat or foie gras production - Muscovy hens X Mallard drakes - hinnie (hybrids) - 20-30% fertility; 32 days incubation period - sterile; used for meat or foie gras prod

Turkey BNBW

Bronze Turkey Narragansett Turkey Beltsville Small Whites White Turkey

Quail TEJJ

Tuxedo Quail English White Japanese Seattle Japanese Taiwan

Goose CET

Chinese Goose Emden Toulouse

Pigeon Class | Use UFH Ostrich

Utility - squab production Fancy - kept for beauty and form Homing - racing and endurance flying

Incubation Period Common Name | Scientific name | Egg Weight (g) | Incubation Period (d) 10 CMMTJ PSOPG

1. Chicken - Gallus gallus - 58 g - 21d 2. Muscovy Duck (Bibi) - Cairina moschata - 70 g - 35-37d 3. Mallard Duck (Itik) - Anas platyrhynchos - 60 g - 28d 4. Turkey - Meleagris gallopavo - 80-90 g - 28d 5. Japanese Quail - Coturnix japonica - 10-15 g- 16-18d 6. Pigeon - Columba livia - 17 g - 18d 7. Swan - Anser cynoides - 285 g - 42d 8. Ostrich - Struthio camelus - 1400 g - 42d 9. Pheasants - Phaseanus colchicus - 32 g - 21-24d 10. Guinea Fowl - Numida meleagris - 40 g - 26-28d

Questions 6. What is the incubation period of Guinea fowl?

26d

Questions 7. average egg weight of pheasants

32g

External Anatomy of the Head VCCG

- very good eyesight - prefer green and yellow, shiny objects such as water droplets in nipple lines - can smell and will detect offensive smell - will avoid areas with high levels of ammonia (wetspots) - combs and wattles - well supplied with blood vessles, cool air removes body heatm for thermoregulation in hot weather - good hearing - noises causes stress, stress will affect health and perf

Indicators of Health and Vigor HFCE

Head - broad, somewhat flat on top, wide between eyes Face - clean-cut, smooth, wrinkle-free Comb - bright red, smooth, waxy Eyes - large and bright, reddish color, round pupils

Integumentary System Functions: 1. _ - protect bird from losing moisture from envi and from harmful external environmental factors 2. _ - skin is very well supplied with blood vessels, that causes the skin to be warm - do not have sweat glands - during hot weather they pant with beaks open to lose moisture from mouth where cooling then takes place Layers: - _, horny layer of skin - _ layer - cells here produce upper layer - _ layer - contains blood vessels, feathers formed n this layer

Functions: 1. Protection 2. Thermoregulation Layers - upper - middle - inner

Physiology of Heat Loss _/_ Index Temperature + Relative Humidity = 90 + Age in Weeks

Temperature/Humidity Index

Heat Loss 45% - through _ 55% - through _

45% skin 55% breathing

Integumentary System - _ on the shank - _ gland (uropygial gland)

- scales - preen

Types of feathers TFSFBD

Tail Flight Semiplume Filoplume Bristle Downy

Type of Feathers | Features | Function RRC SFBD

1A. Remiges - Primary, Secondaries, Tertiaries 1B. Retrices 1C. Coverts 2. Semiplume 3. Filoplumes 4. Bristles 5. Down

Types of Feathers _ - flight feathers of wings - for flight - _ - 10 p attached to metacarpal and phalanges - for forward thrust - _ - 10-14 s attached to ulna - for lift - _ - flight feathers closest to the body - absent in chickens _ - flight feathers of tail - most bird have 12 tail feathers - acts sa brakes and rudder _ - smaller contour feathers covering base of flight feathers - help to smooth airflow over wings and tail

1A. Remiges - Primary - Secondaries - Tertiaries 1B. Retrices 1C. Coverts

Types of Feathers _ - have large rachis, but loose (plumaceous) vanes - provide form, aerodynamics, insulation - play a role in courtship displays _ - very fine, hair-like feathers, with a long shaft, only few barbs at tips - function not well understood, thought to have sensory functions in response to air pressure _ - have stiff rachis with only few barbs at base - usually found on head (around eyelids, nares, mouth) - thought to have both sensory and protective function _ - small, soft, fluffy found under contour feathers - are plumaceous - trap air in insulating layer next to skin - protects bird from heat and cold

2. Semiplume 3. Filoplumes 4. Bristles 5. Down

Feather Distribution Feather Tracts CHAVSFCC

Capital Humeral Alar Ventral Spinal/Dorsal Femoral Crural Caudal

Physiology of Molting Chickens will lose their feathers in a sequence HNBWT Feather is 85% _ _ wing feather will begin to shed before _; _ will be lost sequentially from innermost #1 to outermost #10

1. Head 2. Neck 3. Body (breast, back, abdomen) 4. Wings 5. Tail 85% protein primary wing feather will begin to shed before secondaries; primaries will be lost sequentially

Physiology of Molting _ Molt - 1-4 weeks of age _ Molt - 7-11.5 _ Molt - 17-23 Birds molt from _ feather to _ tip To check for molt, spread out _ feathers

1st 2nd 3rd Molt - axial feather to wing tip - wing feathers

Feather, Skin and Health At 2 weeks of age: - _ _ - retained down feathers in head and neck - _ _ - broken displaced primary feathers

- yellow head - helicopter birds

Pigmentation and Bleaching _ - deposited into skin, beaks, shanks, feet At sexual maturity, hen begins _ _ _ - loss of yellow pigment from hen's body - yellow color goes into the _

Xanthrophyll Hen begins laying eggs Bleaching Egg

Physiology of Bleaching Pigment leaves in a particular order as ff: VEEBST Estimation of number of eggs laid after bleaching

1. Vent - 10 eggs 2. Eye ring - 8-12 3. Earlobe -10-15 4. Beak (base to tip) - 25 (base), 35 (tip) 5. Shanks - 100-160 6. Top of feet and toes - 180

Practical Application of Bleaching Body Part | Time After 1st Egg VEEB TBFRH

Vent - 4-7d Eye Ring - 7-10d Ear Lobes - 14-21d Base of beak - 4-6w Tip of be - 6-8w Bottom of feet - 8-10w Front of shanks - 15-18w Rear of shanks - 20-24w Hock joint - about 24w

Practical Applications of Bleaching Good Layer vs Poor Layer Comparison of Bleached Birds

Good Layer - no more yellow pigment in earlobe, eye ring and beak Poor Layer - yellow pigment

_ System - framework of bones to which muscles are attached 1. provides rigidity (firmness) to body 2. provides protection to internal organs 3. contraction of muscles results in movement of bones 4. facilitates in respiration where body cavity is contracted or enlarged to expel air or inhale air

Musculoskeletal System

The Major Muscles _ - raises wing _ - pulls wing down

Supracoracoideus Pectoralis

Carcass Yield in Broilers Weight and Carcass % Yield Performance

- the higher the weight, the higher the carcass % - predicted dry yields at given weights (% liveweight)

Fleshing Score in Cobb-Males 1-5 - ideal is _-_ - minimum fleshing needed in _ (>95% with wing resistance) - 4 weeks fleshing 3-4 - 12w f 2 - 16w f 2-3 - 20w f 2.5-3 - 25-60w f 2.5 3

ideal 2-3 - males

Musculoskeletal System 1. _ Bones - poultry have _ or hollow bones - connect with the respiratory system - light weight is an adaptation for flight 2. _ Bone - contains high amounts of Ca - storage source used by female hen to produce _ _ during reproductive periods

1. Pneumatic Bones 2. Medullary Bone - egg shell

Other Features - spinal column fused in _ to _ except for T6 - no pubic symphysis - comparison of _ - space between pubic bones - omparison of _ - space between pubic bones and keel - thickness of _ _ - thinness of _ Hock Sitting

- thoracic to sacral except T6 - pubic symphysis - comparison of width - 3 finger is excellent layer, 2 finger fair layer - comparison of depth - 4 finger excellent, 3 finger fair - thickness of pubic bones - good thin and pliable pubic bones, poor thick pubic bones - thinness of skin - good lean skin and soft abdomen, poor thick skin and hard abdomen (fat in abdomen)

Respiratory System - _ are connected to a number of air sacs in the body acvity - enables bird to extract O twice from inhaled air - firstly during _ and then again - when air leaves body or _

- lungs - inhalation - exhalation

Clinical Applications of Respiratory System ARS score _ - normal _ - mild ARS _ - moderate ARS _ - marked ARS _ - severe ARS

ARS score 1 2 3 4 5

Digestive System - beak without _ and soft palate - can discern shape size and color - uses _ and _ to feel food

- teeth - tongue and mouth

Respiratory Defense Mechanism healthy nose vs blocked and congested nose

healthy nose - hairs, mucocillary cells, mucus (normal level), nasal mucosa blocked and congested - excess secretion of mucus (dirty hairs and stuck together), nasal mucosa congested

Chonal, Oropharyngeal and Tracheal Swabs - _ _ _ (sinus, nasal tissue, turbinate or nasal swabs) - more likely to yield virus than is tracheal tissue - number of samples - at least _ swabs per flock

- upper respiratory tract - 10 swabs per flock

Nipple Drinkers Good vs Bad angle

Good angle - 75-85 deg Bad angle - 35-45 deg

Time of crop fill after placement | Target crop fill (% of chicks with full crops) 2 hours - 75 8 hours - >80 24 hours - >95 48 hours - 100

100% crop fill after 48 hours

Intestines - three sections: _, _, _ - function: absorption of nutrients from food - Meckel's diverticulum

- duodenum, jejunum, ileum

Physiology of the Gut pH of the GIT - epithelial turnover rate - _-_ h - rapid inflammatory response - less than _ hours

- 48-96h - less than 12 hours

Genitourinary System Female Reproductive System Stigma Meat Spots

Ovary -> infundibulum -> magnum -> isthmus -> shell gland or uterus -> vagina -> vent

The Reproductive Tract Part | Length | Egg Formation Time _ - 10 cm - 15-30 min _ - 30 cm - 2-3 hours _ - 10 cm - 1 hour _ - 8 cm - 18-20 hours

Infundibulum Magnum Isthmus Uterus

Questions 8. airsac is unpaired in chickens A. cervical B. anterior thoracic C. abdominal D. interclavicular

Interclavicular

Male Reproductive System - relatively simple - no _ _ organs - lymph glands - no distinct _ - _ - paired, high up in abdominal cavity near anterior part of kidneys, ellipsoid and yellow

- no accessory sex organs - no distinct penis - testicles

Section of Oviduct | Approx time egg spends in this section | Function of section of oviduct 1. _ (_) - 15 mins - receives yolk from ovary; if live sperm present, fertilization occurs here (commercially produced eggs are not fertilized) 2. _ - 3 hours - albumen (white) secreted and layered around yolk 3. _ - 1 hour - inner and outer shell membranes are added as are some H2O and mineral salts 4. _ _ (_) - 21 hours - initially some H2O is added making outer white thinner; then shell material (mainly CaCo3) is added; pigments may be added to make shell brown 5. _/_ - <1 min - egg passes through section before kaying; has not other known functio in egg formation

1. Funnel (Infundibulum) 2. Magnum 3. Isthmus 4. Shell Gland (Uterus) 5. Vagina/Cloaca

Questions 9. largest feather in chickens

Contour Tail or flight (Contour) Semiplume Filoplume Bristle Downy

Questions 10. feathers normall found on head (around eyelid, nares and mouth), are thought to have sensory and protective function

Bristles

Questions 11. In chickens, areas of skin where feather grows are called?

Pterylae Groups of dots often in a linear pattern are feather tracts termed pterylae. Featherless areas between tracts are apteria. Dots represent feather follicles.

Questions 12. Egg white is secreted in what portion of oviduct

Magnum

Exercise ? Breeds of Poultry Flashcards

(95 cards)