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Akademický článek

Effect of sex-linked dwarf gene on exterior appearance, productive performance and egg characteristics in a colored broiler dam line

Autor: Mincheva N., Oblakova M., Hristakieva P., Ivanova I., Lalev M.

Publikováno v: Biotechnology in Animal Husbandry, Vol 31, Iss 2, Pp 163-174 (2015)

The effect of sex-linked dwarf gene was investigated through comparison of dwarf hens with their full-sib normal sisters obtained by mating heterozygous males (DW/dw) to normal females (DW/_) from line F (used as maternal form for production of slow-

Externí odkaz: https://doaj.org/article/ed187ff0fe7b4a4a8fca9fb25fa7bfe2

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Akademický článek

Heterosis effect in hybrid laying hens

Autor: Hristakieva P., Oblakova M., Lalev M., Mincheva N.

Publikováno v: Biotechnology in Animal Husbandry, Vol 30, Iss 2, Pp 303-311 (2014)

The new original egg laying lines T, P and N selected at the Institute of Agriculture - Stara Zagora were used. Hybrid Т♂ × Р♀, Р♂ × Т♀ crosses were obtained and used for paternal line. Thereafter, the following breeding schedule of pat

Externí odkaz: https://doaj.org/article/5ffb33dc705b42a2a1e1ea5f2b6951e2

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Akademický článek

Estimation of heterosis, direct and maternal additive effects from crossbreeding experiment involving two White Plymouth Rock lines of chickens

Autor: Lalev M., Mincheva N., Oblakova M., Hristakieva P., Ivanova I.

Publikováno v: Biotechnology in Animal Husbandry, Vol 30, Iss 1, Pp 103-114 (2014)

Eight hundred one-day-old female chickens from two White Plymouth Rock lines (line L and line K) and their reciprocal crosses obtained from 40 male and 480 females were used to form four genetic groups (LxL, KxK, LxK and KxL). Differences among genot

Externí odkaz: https://doaj.org/article/72970152819349aa93d4d30006210fe7

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