TITLE

HAL GENO ĮVAIROVĖ S LINIJOS KIAULIŲ BANDOJE. GENO ĮTAKA KIAULIŲ REPRODUKCINĖMS SAVYBĖMS

AUTHOR(S)
Kriauzienė, Janina; Miceikienė, Ilona; Masiulienė, Angelė; Baltrėnaitė, Lina
PUB. DATE
June 2005
SOURCE
Veterinarija ir Zootechnika;2005, Vol. 30 Issue 52, p50
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
It was defined that the HAL gene on the sixth pig chromosome influences the sensitiveness of pigs. Pigs that have a strong reaction to stress seem to be less resistant and have reduced meat quality. This type of pigis detected among pig breeds more frequently. Intensive metabolic processes in these animals induce growth but adaptation features are affected negatively. Different breeds and lines have different reactions to stress. The most sensitive are Pietrain and different Landrace breeds. The S boar line is developed from the Pietrain breed. It was found that in this line the HAL gene is not fully eliminated. We can find pigs that are heterozigotic (NP status), so called HAL gene carriers. 75 % of sows tested were stress resistant and 25% were HAL gene carriers. The HAL gene influenced reproduction traits of sows- HAL gene cariers had fertilization rates less than 1.1%, litter size - on average reduced with 0.21 piglets, milk yield was reduced by 3.22 kg., and piglet survival was reduced by 6.3%.
ACCESSION #
17575005

 

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