Results 41 to 50 of about 45,029 (376)

Comparison of the Morphometric Traits and Body Weight of Pure Kampung Chicken with Kampung-Bangkok Crosses Chicken

open access: yesJurnal Ilmu-Ilmu Peternakan, 2022
Efforts that can be made to improve the performance of native chickens are by crossing them with Bangkok chickens. The results of crosses between Kampung chickens and Bangkok chickens are expected to pass down good growth genes.
Raodatul Jannah   +3 more
doaj   +1 more source

On the Breeds of Cattle—Historic and Current Classifications [PDF]

open access: yes, 2011
Classification of cattle breeds contributes to our understanding of the history of cattle and is essential for an effective conservation of genetic diversity.
Adametz   +92 more
core   +2 more sources

Estimates of crossbreeding parameters in a multibreed beef cattle crossbreeding project

open access: yesSouth African Journal of Animal Science, 2000
Data from purebred and crossbred cattle, consisting of the Afrikaner (A), Simmentaler (S) and Hereford (H) breeds managed in a relatively intensive but high stocking rate environment, were analysed to estimate breed direct effects, individual heterotic effects, breed maternal and maternal heterotic effects for birth weight (BW) and weaning weight (WW).
Skrypzeck H.   +3 more
openaire   +4 more sources

Genetic evaluation for three-way crossbreeding [PDF]

open access: yesGenetics Selection Evolution, 2015
Commercial pig producers generally use a terminal crossbreeding system with three breeds. Many pig breeding organisations have started to use genomic selection for which genetic evaluation is often done by applying single-step methods for which the pedigree-based additive genetic relationship matrix is replaced by a combined relationship matrix based ...
Christensen, O.F.   +3 more
openaire   +8 more sources

Crossbreeding of Yeasts Domesticated for Fermentation: Infertility Challenges

open access: yesInternational Journal of Molecular Sciences, 2020
Sexual reproduction is almost a universal feature of eukaryotic organisms, which allows the reproduction of new organisms by combining the genetic information from two individuals of different sexes.
Nobuo Fukuda
semanticscholar   +1 more source

Influence of inbreeding and crossbreeding on the in vitro embryo development during normal and heat stress condition [PDF]

open access: yesمجله بیوتکنولوژی کشاورزی, 2012
Inbreeding and Heat stress have negative effects on reproductive performance of dairy cattle. Two suggested strategies to overcome to these factors are to use crossbreeding and crossbreeding with thermo tolerant genotype, respectively.
doaj   +1 more source

Economic consequences of dairy crossbreeding in conventional and organic herds in Sweden.

open access: yesJournal of Dairy Science, 2019
This study simulated the consequences of crossbreeding between Swedish Holstein and Swedish Red on herd dynamics and herd profitability under Swedish conditions.
J. Clasen   +5 more
semanticscholar   +1 more source

Cattle crossbreeding for sustainable milk production in the tropics

open access: yesInternational Journal of Livestock Production, 2020
Crossbreeding has been used to improve milk production performance of local cattle in the tropics. Crossbreeding exploits additive and non-additive allele gene effects leading to improvements in lactation length, decrease in calving interval, higher milk
R. Osei-Amponsah   +2 more
semanticscholar   +1 more source

Genetics of crossbreeding

open access: yes, 2020
In pig and poultry breeding programs, animals from genetically distinct purebred breeding lines are mated to produce crossbred animals, which provide food products to consumers. Although the aim of such breeding programs is to improve the performance of the crossbreds, selection takes place in the purebred lines, and is usually based on purebred ...
openaire   +2 more sources

Importance of Indigenous Breeds of Chicken for Rural Economy and Their Improvements for Higher Production Performance

open access: yesScientifica, 2016
Indigenous/native breeds of chickens are playing an important role in rural economies in most of the developing and underdeveloped countries. They play a major role for the rural poor and marginalised section of the people with respect to their ...
Mahendra Kumar Padhi
doaj   +1 more source

Home - About - Disclaimer - Privacy