14. Paternal colour Flashcards
1
Q
Pietrain
A
• Belgian Excellent meat producer • Synthetic breed from Large White, French breeds & Berkshire • Medium-Large sized • Deep bodied • Short, upright ears • White with black/brown spots • Excellent dressing % • Pronounced hams (4 ham pigs) • Excellent feed conversion • Lower fertility • Suitable as paternal line for crossing & hybridization • Stress-sensitive (although modern testing means stress-resistant sows & boars are available) • Boars: 300-330kg • Sows: 250-280kg
2
Q
Duroc
A
(USA) • Older breed of American domestic breed that forms basis for many mixed breed commercial hogs • Red, solid coloured • Large frame & size • Deep bodied • Concave backline • Muscular • Partially drooping ears • Profile of head is often convex • Good fertility • Rapid growth & gain • Good meat production • Stress resistant • Expressed marbling-> Excellent meat quality • Used as maternal line for F1 sows or paternal line in two-breed crosses • Tend to be most aggressive of swine breeds • Boars: 320-350 kg • Sows: 250-280kg
3
Q
Hampshire
A
(developed USA)
• Black body with white belt around middle, with white shoulders & FL
• Erect ears
• Long head with convex profile
• Well-muscled, rapid grower (faster than Yorkshire)
• Good meat quality & high dressing percentage
• Medium gain, good feed efficiency
• Moderate fertility
• Paternal type & production of F1 boars
• Good capacity as mothers (longevity)
• Hampshire Factor
o AD, proteinkinase mutation
▪ Strong decrease in pH (<5.4) in muscle tissue 24hrs after slaughtering RSE (red, soft exudative) meat
• Boars: 300-330kg
• Sows: 250-280kg
4
Q
Tamworth
A
• Among oldest pig breeds • Long narrow body, elongated head • Erect, pointed ears • Colour ranges from pale ginger to dark mahogany red • Medium sized o Boar: 250-370kg o Sow: 200-300kg • Fairly muscular hams • Excellent choice for crossbreeding • Litter sizes are generally smaller than commercial breeds • Bacon pig -> Produces high body mass without much fat • Hardy
5
Q
Poland China
A
(USA) • Known for large size (‘Big Bill’ -> Largest pig recorded was a Poland China) • Oldest American pig breed • Black with white patches • Derives from Berkshire & Hampshire
6
Q
Berkshire
A
(GB) • Britain’s oldest pig • Early-maturing • Black with white legs, faces & tips of tail • Dished snouts • Fairly large, erect ears • Fine, wrinkle-free necks • Sloping shoulders • Short straight legs • Straight underline
