Results 11 to 20 of about 80,737 (268)
In Burkina Faso, goats are the second most numerous ruminant livestock population, with almost exclusively indigenous breeds being reared in extensive production systems in various agroecological zones.
Badjibassa Akounda +6 more
doaj +1 more source
SummaryAn innovative approach to tree breeding called ‘breeding without breeding’ (BWB) is presented. The method, as applied on the material in hand, allows the capture of 75–85% of the genetic response to selection attained through conventional programmes without the need to do any controlled pollination and simplified or possibly no experimental ...
Yousry A, El-Kassaby, Milan, Lstibůrek
openaire +2 more sources
MicroRNAs (miRNAs) are an abundant class of small non-protein-coding RNAs that regulate gene expression in plants and animals. Skin colour is an important economic consideration in chicken production, and chickens with black skin have high market value ...
Shigang Yu +4 more
doaj +1 more source
Believing that science is about precision in defining its terms, we propose the use of breeding as an all-encompassing term for mosquito activity does not always represent the reality of what is happening at a site where mosquitoes, in whatever stage, are present.
Henry, Rupp +2 more
openaire +2 more sources
Cassava Breeding I: The Value of Breeding Value [PDF]
Breeding cassava relies on several selection stages (single row trial-SRT; preliminary; advanced; and uniform yield trials-UYT). This study uses data from 14 years of evaluations. From more than 20,000 genotypes initially evaluated only 114 reached the last stage.
Ceballos, H. +7 more
openaire +4 more sources
Canine elbow dysplasia is a significant health issue affecting many breeds. Unfortunately, treatments remain relatively limited, so control of this disease often falls to selectively breeding for dogs with normal elbows. The objectives of this study were
Gabriela Baers +3 more
doaj +1 more source
Foi estudada a fragilidade osmótica dos eritrócitos (FOE) de bovinos das raças Holandesa, Girolando e Gir, criados no Estado de São Paulo, objetivando estabelecer os valores padrões de referência e determinar a influência de fatores raciais.
Valéria Aparecida Caobianco Sant'Ana +3 more
doaj +1 more source
Quatro garrotes Jersey (J) (Bos taurus) e quatro Gir (G) (Bos indicus), providos de cânula ruminal, foram utilizados para comparar a susceptibilidade à acidose láctica ruminal (ALR) aguda.
Celso Akio Maruta, Enrico Lippi Ortolani
doaj +1 more source
The objective of this investigation was to evaluate the stability of milk flow curves and the volume of residual milk in relation to milk flow curves in breeds Tsigai, Improved Valachian, and Lacaune (n = 16 heads per breed) milked twice daily. Milk flow
L. Mačuhová +3 more
doaj +1 more source
Comparison of fatty acid composition in milk fat of Czech Pied cattle andHolsteincattle
In May 2003 differences in milk fat composition in two main dairy breeds in the Czech Republic, Czech Pied cattle and Holstein cattle, were studied in two uniform groups, each containing eight cows.
M. Pešek, J. Špička, E. Samková
doaj +1 more source

