نتایج جستجو برای: diallel crossing

تعداد نتایج: 28646  

Journal: :Journal of animal science 2009
M D MacNeil

For 75 yr, Line 1 Hereford cattle have been at the forefront of beef cattle breeding research. The goal of this review is to provide an overview of scientific contributions made using the Line 1 Hereford population. It was initially developed as contribution to a western regional program from which beef producers were envisioned to use heterosis by crossing selected inbred lines. Whereas this v...

1998
Michael Barlow Michael Wagner

This paper describes a methodology, and the results stemming from it, for analysing the dynamic encoding of speaker identity and dialect in prosodic parameters. A method based on employing properties of the well known Dynamic Time Warping (DTW) algorithm’s path of best match allows the separation of purely dynamic from static properties of acoustic parameters and hence their evaluation as to dy...

Journal: :Journal of animal science 1987
K E Gregory D D Dearborn L V Cundiff R M Koch

Crossbred steer and heifer progeny from 5-, 6- and 7-yr-old dams produced in a four-breed diallel crossing experiment involving the Brown Swiss, Red Poll, Hereford and Angus maternal grandsires and maternal granddams were evaluated for postweaning growth and carcass traits to estimate breed mean maternal heterosis, maternal heterosis for specific breed cross females, average maternal heterosis ...

Journal: :Genetics and Molecular Biology 2000

Journal: :Journal of animal science 1989
P F Arthur M Makarechian M A Price R T Berg

Data from a two-breed group diallel experiment involving double-muscled (DM) and normal (N) cattle were analyzed to evaluate the importance of heterosis, maternal and direct effects for reproduction and growth traits. The DM cattle were from a composite of primarily Angus, Charolais, Galloway and Hereford breeds, and N cattle were crossbred cattle with at least 50% Hereford breeding. The data c...

2010
L.Sekhar B. G. Prakash P. M. Salimath

Ten tomato commercial and productive single cross hybrids extensively grown in Northern Transitional Zone of Karnataka were planted in the field at UAS, Dharwad following RBD design with three replications. A 10 x 10 diallel set was generated by crossing these single cross hybrids in all possible combinations (excluding reciprocals) and 45 double cross hybrids were planted during February, 2007...

Journal: :Journal of animal science 1984
E J Eisen G Hörstgen-Schwark T R Bandy A M Saxton

Postpartum dam performance was studied in a complete diallel design involving five lines of mice. The selection criterion in each line was: large litter size at birth (L+); large 6-wk body weight (W+); an index for large litter size and small 6-wk body weight (L+W-); the complementary index (L-W+) and random (K). Females from the five lines and 20 reciprocal F1 crosses were mated to sires of a ...

Journal: :African Journal of Plant Science 2021

Maize (Zea mays L.) is the most important cereal crop on which many smallholder farmers in sub-Sahara Africa (SSA) depend as a sole source of calories, proteins, and vitamins. However, conventional maize deficient two essential amino acids, lysine, tryptophan. Thereafter, Quality Protein (QPM) developed to combat protein malnutrition. In SSA low soil nitrogen also limiting factor production pro...

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