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C2. Most important meat production traits of pig (fattening ability, carcass merit) ​ Significance of pig breeding: Advantages: High genetic diversity High reproductive capacity Effective pork production Good adaptability: fat ratio was decreased by more than 70% within 20 years Investment with fast return of costs Continuous source of income​ Fattening on pigs increase with age(days) and weight..

※ 본 내용은 개인적으로 공부하면서 요약한 내용입니다. 내용에 오류가 있을 수 있음을 알려드립니다. B.14 Blood vessels of fore limb distal to the elbow joint a. mediana - a. profunda brachii : runs caudal to antebrachii - a. interossea communis - a. ulnaris(only Ca) - a. recurrens ulnaris : anastomose with a. collateral ulnaris - a. interossea cranialis : pierce the spatium interossea - a. recurrens interossea : runs proximally to the art..

※ 본 내용은 개인적으로 공부하면서 요약한 내용입니다. 내용에 오류가 있을 수 있음을 알려드립니다. B.13 Blood vessels of forelimb down to elbow joint a. axillaris : continuation of a. subclavia beyond the orgin of a. cervicalis superficialis - a. thoracica externa : supplies pectoral muscle - a. thoracica lateralis : runs caudally to ventral thoracic wall(only Ca, Su) - a. subscapularis : runs along caudal border of scapula - a. circumfl..

※ 본 내용은 개인적으로 공부하면서 요약한 내용입니다. 내용에 오류가 있을 수 있음을 알려드립니다. B15. blood vessels of the hind limb down to the stifle joint a. iliaca externa - a.circumflexa ilium profunda(Su, Ru, Eq) : from a. iliaca externa - a. cremaseterica(Eq) : runs to m. cremaseter - a. uterina(Eq) : runs to corpus and cornu uteri - a. profunda femoris - a. circumflexa femoris medialis : continuation of profunda femoris to Os f..

B10 Milk production, milking and udder hygiene ​ Fat + protein yield: 600kg/lactation 10,000 kg/lifetime Milking systems: During milking the milk is collected & the amount is registered For hygiene- teats are cleaned and disinfected. Milking systems can be: tied system, un-tied system, robot, carousel, or standing in a line to enter one at a time to the milking facility Milk Meter: Measure the a..

B9 Dairy cattle breeds (classification, characteristics, types), breeds for cheese industry milk production ​ Montbeliarde Red & white pied color Produces milk mainly for cheese industry  high content of kappa casein BB variants Annual yield = 7500 L / year 3.9% butterfat 3.35% protein Bulls 900-1200kg Cows 145cm @ withers, 600-700kg​ Normande Well suited for cheese production - camembert chees..

B8 Dairy cattle breeds (classification, characteristics, types), breeds for production of consumption milk UK single purpose dairy breeds (Channel Island breeds): Produce protein & fat rich milk: Jersey cattle Small breed Cows 360-540kg Bulls 540-820kg High butterfat content (6%) High protein content (4%) Annual yield = 5400kg/ year ​Guernsey cattle Buff coat color with distinct white spots (yel..

B7 Estimation of breeding value in dairy cattle ​ Estimated breeding value: The estimation is done during the animal’s production cycle It is defined as the difference of the individual genetic merit (value) from the mean genetic merit of a reference population The individual breeding value changes according to the value (- the genetic merit) of the reference population or mating partners. BVi –..