A Sex-linked Lethal Gene in the Single Comb White Leghorn Fowl

نویسندگان
چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

A sex-linked lethal gene in the fowl.

1. The ladykiller (lk) gene has been located on the sex chromosome of the fowl. It is 4.2 map units distant from the feathering rate locus (k) and 11.2 map units distant from the dwarf (dw) locus. 2. Most of the embryonic mortalities associated with this gene occurred between 3 and 4 d of incubation.

متن کامل

Modeling ovarian follicle growth in commercial and heritage Single Comb White Leghorn hens.

Approximately 84% of the energy in chicken eggs resides in the yolk. A robust model of ovarian follicle development is therefore valuable for estimating energy requirements of laying hens. The current experiment was designed to model the growth of ovarian follicles in 32-wk-old modern commercial line (CL) and unselected heritage line (HL) Single Comb White Leghorn hens. The volume of yolk depos...

متن کامل

A female-specific lethal lesion in an X-linked positive regulator of the Drosophila sex determination gene, Sex-lethal.

Characterization of a partial-loss-of-function, female-specific lethal mutation has identified an X-linked genetic element (1-34.3; 10B4) that functions as a positive regulator of Sxl, a central gene controlling sex determination in Drosophila melanogaster. The name, sisterless-a, was chosen both to suggest functional similarities that exist between this gene and another positive regulator of S...

متن کامل

The effects of different beak trimming techniques on plasma corticosterone and performance criteria in Single Comb White Leghorn hens.

DeKalb XL chicks were given a beak trim at 6 d of age (6DP) with a 2.8-mm gauge and a beak trim at 11 wk (11WB) with a block cut approximately 2 mm anterior to the nasal openings. Corticosterone (CS) levels of the 6DP treatment were (P < or = 0.01) elevated above nontrimmed CS levels at 2 h posttrim; and BW and feed consumption (FC) of the 6DP were depressed until 8 wk of age. At 11 wk of age, ...

متن کامل

Transcriptome analyses of differential gene expression in the bursa of Fabricius between Silky Fowl and White Leghorn

Hyperpigmentation in Silky Fowl (SF) results in aberrant immune cell development. However, how melanocytes regulate B-cell proliferation in the bursa of Fabricius (BF) is unclear. To resolve this conundrum, we collected BFs from three-week-old SF and White Leghorn (WL) female chickens for RNA sequencing. The BF development was relatively weaker in SF than in WL. The transcriptome analyses ident...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Poultry Science

سال: 1935

ISSN: 0032-5791

DOI: 10.3382/ps.0140372