Curvilinear inbreeding effects on some performance traits in laying hens

Journal of Applied Genetics

Volumn 45, Issue 3, 2004, Pages 343-345

  Szwaczkowski, Tomasz ^a   Cywa Benko, Katarzyna ^b   Wȩzyk, Stanisław ^b  

^a POZNA UNIVERSITY OF LIFE SCIENCES   (Poland)

^b Department of Poultry Breeding   (Poland)

Author keywords

Inbreeding depression; Laying hens; Long term selection; REML method

Indexed keywords

ARTICLE; BODY WEIGHT; BREEDING; EGG LAYING; EXPERIMENTAL MODEL; GENETIC TRAIT; HATCHING; HEN; HOMOZYGOSITY; LINEAR REGRESSION ANALYSIS; MATHEMATICAL ANALYSIS; MATHEMATICAL MODEL; REGRESSION ANALYSIS;

ANIMALS; CHICKENS; FEMALE; INBREEDING; MALE; OVIPOSITION; REGRESSION ANALYSIS;

ANIMALIA;

EID: 4644280771     PISSN: 12341983     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (7)

1. Bresińska A, Szwaczkowski T, Cywa-Benko K, Wȩżyk S, 2003. Hipotetyczny i rzeczywisty poziom zinbredowania w wybranych populacjach zarodowych kur nieśnych [Hypothetical and actual inbreeding levels in selected pedigree populations]. 68 Zjazd Naukowy Polskiego Towarzystwa Zootechnicznego, Kraków September 9-12, 2003, Materialły Konferencyjne, 115-116 (in Polish).
2. Dobek A, Szydłowski M, Szwaczkowski T, Skotarczak E, Moliński K, 2003. Bayesian estimates of genetic variance of fertility and hatchability under a threshold animal model. J Anim Feed Sci 12: 307-314.
3. Klemetsdal G, 1998. The effects of inbreeding on racing performance in Norwegian cold-blooded trotters. Genet Sel Evol 30: 351-366.
4. Meyer K, 2001. Programs to estimate variance components for individual animal models by restricted maximum likelihood (REML). User notes. Institute of Animal Science, Armidale, Australia.
5. Sewalem A, Johansson K, Wilhelmson M, Lippers K, 1999. Inbreeding and inbreeding depression on reproduction and production traits of White Leghorn lines selected for egg production traits. Brit Poultry Sci 40: 203-208.
6. Szwaczkowski T, Cywa-Benko K, Wȩżyk S, 2003. A note on inbreeding effects on productive and reproductive traits in laying hens. Anim Sci Pap Rep 21: 121-129.
7. Thompson JR, Everett RW, Hammerschmidt NL, 2002. Effects of inbreeding on production and survival in Holsteins. J Dairy Sci 83: 1856-1864.