Results 11 to 20 of about 293,125 (165)
Effect of plumage colour and breeding system on the reproductive traits of brown and black quail
This study was conducted in the farm of the Department of Animal Production, college of Agriculture –Tikrit University for the duration of 19/11/2021 to 23/12/2021.
Farhan K. H. Aljubory +1 more
doaj +1 more source
Le bassin laitier du Livradois-Forez, de l’analyse historique aux modèles de dynamique
This paper models the dynamics of the Livradois-Forez dairy basin. The approach is based on a progressive formalization. We begin by establishing and sequencing the history of the dairy basin, then we aggregated the information into an integrating ...
Marie Houdart
doaj +1 more source
Flowering biology and breeding system of Panax notoginseng
Panax notoginseng is a precious traditional Chinese medicine, it faces the challenges of low reproduction rate and extinction of wild resources. In order to explore the characteristics of its flowering biology and breeding system, and to clarify the ...
Flowering biology and breeding system of Panax notoginseng
doaj +1 more source
Comparison of two Different Breeding Systems of Laying Hens in Relation to Egg Shell Quality
The aim of work was to follow up and statistically evaluate the selected quality indicators of egg shell according to two different breeding systems and different age of laying hens.
Mária Angelovičová +3 more
doaj
To understand the reproductive strategies of the typically introduced plant Hibiscus mutabilis and to compare the pollination efficiency of its different pollinators, we observed, measured, and recorded the flowering dynamics, floral traits, and visiting
Xiaoqing Shi +6 more
doaj +1 more source
Floral syndrome and breeding system of the spring flowering plant Iris scariosa (Iridaceae)
Iris scariosa is a perennial spring flowering Iridaceae species with important ornamental value. To explore the floral syndrome and breeding system and promote the utilization of this germplasm, flowering phenology, floral syndrome, breeding system and ...
LI Qi, MA Hanze, MAMUT Jannathan
doaj +1 more source
Trifolium polymorphum is an amphicarpic species that grows in Uruguay, Argentina, Brazil, Paraguay and Chile. Underground flowers are cleistogamous, obligately autogamous and morphologically highly modified in structure and function.
Gabriela Speroni +3 more
doaj +1 more source
Flowering Biology of Rhododendron pulchrum
To study the flowering biology of Rhododendron pulchrum, we used scanning electron microscopy (SEM) and paraffin sectioning to observe the microstructures of its floral organs, a methyl thiazolyl tetrazolium (MTT) colorimetric assay to detect pollen ...
Jie Qiu +8 more
doaj +1 more source
Pollen biological characteristics and breeding system of Primulina guizhongensis
[Objective] This paper aims to investigate the characteristics of Primulina guizhongensis pollen and the influence of the breeding system on its sexual reproduction, to uncover its reproduction mechanism and providing theoretical references for the ...
HUANG Jiajun +4 more
doaj +1 more source
Performance and sustainability of two alternative rabbit breeding systems
The aim of this study was to evaluate 2 alternative breeding systems that differ from the current system in terms of reproduction rhythm, age of females at first insemination and the age of kits at weaning and at slaughter. We measured the performance of
M. Theau.Clément +6 more
doaj +1 more source

