Results 61 to 70 of about 73,546 (303)

Vers de meilleures performances de reproduction en aviculture : évaluation des phénotypes, pratiques et avancées

open access: yes, 2017
Avian productions need performing tools of reproductive phenotyping in order to produce progeny in the bestefficient and well fair conditions. In specific cases where only one sex is used (laying hen, mule duck), an earlyknowledge of the sex is also ...
Blesbois, Elisabeth   +2 more
core   +1 more source

Characterization of the Sardi Sheep Breed in Morocco

open access: yesRevue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 2003
A total of 811 reproduction records, 1430 fleece weights, 1024 growth and viability records, and 154 fattening and carcass quality records of Sardi sheep were analyzed.
A. Chikhi, I. Boujenane
doaj   +1 more source

Performances de reproduction et de production des ovins de race Boujaâd au Maroc

open access: yesRevue d’élevage et de médecine vétérinaire des pays tropicaux, 2003
L’étude a porté sur l’analyse de 1 264 performances de reproduction, 1 698 poids de toison, 1 588 performances de croissance et de viabilité et 184 performances d’engraissement et d’abattage des ovins de race Boujaâd. Les données ont été collectées durant sept campagnes, de 1993-1994 à 1999-2000, au domaine expérimental Déroua de l’Inra. Les brebis ont
A. Chikhi, I. Boujenane
openaire   +2 more sources

Reconstructing enzyme evolution by protein engineering

open access: yesFEBS Letters, EarlyView.
Natural enzyme evolution can be retraced by protein engineering methods such as directed evolution, rational design, and ancestral sequence reconstruction. These approaches reveal how enzymes emerged from ligand‐binding scaffolds, developed varying substrate preferences, formed oligomeric complexes, adapted to environmental changes, and evolved novel ...
Lukas Drexler   +2 more
wiley   +1 more source

Hormonal control in ovine females reproduction (Ovisaries)

open access: yes, 2022
RESUMEN: En las últimas décadas la reproducción en pequeños rumiantes puede ser controlada por diversos protocolos de sincronización. Algunos de estos métodos involucran la administración de hormonas que modifican la cadena de eventos durante el ciclo ...
Lozano González, Jhon Fredy   +2 more
core  

La prolificité du mouton Djallonké en milieu villageois au Togo

open access: yesRevue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 1983
Une étude destinée à mettre en évidence les aptitudes reproductives de la race ovine Djallonké dans les conditions villageoises au Togo a été menée de 1976 à 1978. La souche de mouton Djallonké étudiée est de petit format, couleur pie noir dominante.
Y. Amégée
doaj   +1 more source

Decoding the dynamic extracellular matrix in cancer—3D models and bioscaffolds rewire the rules of tumor progression

open access: yesFEBS Letters, EarlyView.
Cancer progression is regulated by the dynamic matrix code of the tumor microenvironment, which influences cellular behavior and disease development. Importantly, matrix remodeling in three‐dimensional cancer models more accurately reflects in vivo conditions compared to conventional two‐dimensional systems.
Sylvia Mangani   +3 more
wiley   +1 more source

Avaliação de ferramentas de simulação de iluminação natural por meio de mapeamento digital de luminâncias da abóboda celeste e entorno [PDF]

open access: yes, 2009
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-graduação em Engenharia CivilEntre os métodos de maior potencial para a análise do fenômeno da iluminação natural no ambiente construído, encontram-se a ...
Pereira, Roberto Carlos
core  

Etude des paramètres démographiques et zootechniques de la poule locale du bassin arachidier sénégalais

open access: yesRevue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 1992
Les paramètres démographiques et zootechniques des élevages de poules traditionnels sont décrits à partir d'une enquête réalisée dans 85 unités de production villageoises du bassin arachidier sénégalais.
A. Buldgen   +3 more
doaj   +1 more source

Network divergence analysis identifies adaptive gene modules and two orthogonal vulnerability axes in pancreatic cancer

open access: yesMolecular Oncology, EarlyView.
Tumors contain diverse cellular states whose behavior is shaped by context‐dependent gene coordination. By comparing gene–gene relationships across biological contexts, we identify adaptive transcriptional modules that reorganize into distinct vulnerability axes.
Brian Nelson   +9 more
wiley   +1 more source

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