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Long-term study aims to understand prairie ecology after farmland is forsaken（图）
Long-term study aims prairie ecology farmland forsaken
2017/9/5
Across the U.S., farmers have abandoned millions of acres of land due to economics and hindrances such as dropping water tables that make irrigation of crops impossible. Since 2001, a longstanding stu...
Determination of Genetic Diversity Using 15 Simple Sequence Repeats Markers in Long Term Selected Japanese Quail Lines
Simple Sequence Repeats Selection Breeding Genetic Diversity Quail
2016/12/28
Japanese quail is still used as a model for poultry research because of their usefulness as laying, meat, and laboratory animals. Microsatellite markers are the most widely used molecular markers, due...
Influence of long-term exposure to lead on its accumulation and elimination from tissues and on selected reproductive parameters in the Prussian carp (Carassius gibelio B.) in pond environment
Pb fish bioaccumulation depuration luteinizing hormone
2015/10/29
The bioaccumulation of lead in selected tissues of Prussian carp kept in pond condition during 12 and 24 months of exposure to different doses (8, 13, 24, and 49 mg/kg) of this metal in feed and its e...
Effects of long-term liquid commercial semen extender and storage time on the membrane quality of boar semen
boar semen long-term liquid extender storage time membrane integrity
2015/6/8
The objective of this study was to assess the sperm membrane integrity in extended boar semen during storage time using specific spectrum laboratory methods. Boar semen was diluted with the long-term ...
The long-term administration of a clinoptilolite-supplemented feed to layers and its effect on performance, haematological parameters and metabolic profile
ZeoFeed layers performance blood tests
2015/6/5
120 selected layers (Bovans Goldline hybrid) aged 19 weeks with an average weight of 1 735 g were divided into two balanced groups: control group (Group C) and experimental (Group E). Layers were rear...
Changes in egg quality traits associated with long-term selection for lower yolk cholesterol content in Japanese quail
selection yolk cholesterol egg quality traits correlations Japanese quail
2015/6/5
In the present paper we describe the basic results of long-term selection for low yolk cholesterol content in Japanese quail and its influence on development and relationship with other egg quality tr...
Hormonal response of Arctic fox females to short- and long-term stress
cortisol testosterone stress transport
2015/5/25
The aim of this study was to determine the extent of the hormonal response of Arctic fox females
exposed to two types of stress: short-term and long-term, combined with adaptation to new environment...
Effect of a long-term peroral supplementation with sodium selenite and selenium lactate-protein complex on selenium status in goats and their kids
mother-kid relationship trace element glutathione peroxidase
2015/4/1
The aim of this study was to evaluate the effect of a long-term peroral selenium supplementation in the form of sodium selenite and selenium lactate-protein complex by comparing selenium concentration...
Carbon isotope discrimination of C3 vegetation in Central Asian grassland as related to long-term and short-term precipitation patterns
Carbon isotope discrimination C3 vegetation Central Asian grassland short-term precipitation patterns
2015/2/4
The relationship between carbon isotope discrimination (13 1) of C3 vegetation and long-term (30 years) and short-term (growing period) precipitation was investigated. Different species of Stipa, a do...
Long-term Bias of Internal Markers in Sheep and Goat Digestion Trials
Fecal Excretion Intake Marker Concentration Ruminal Incubation
2016/5/11
Two digestion trials, one with sheep and another with goats, were conducted to evaluate the long-term bias (LTB) of the indigestible dry matter (iDM), indigestible neutral detergent fiber (iNDF) and i...
Long Term Selection for Small Body Weight in Japanese Quail I:Direct Selection Response from 60 to 65th Generations
selection limit body weight small size heritability Japanese quail
2009/7/31
It is important to know the limit of artificial selection for efficient animal production. The aim of this research was to examine whether the selection for small body weight in Japanese quail has rea...
Long Term Selection for Small Body Weight in Japanese Quail II:Changes in Reproductive Traits from 60 to 65th Generations
reproductive traits long term selection small body weight genetic fitness Japanese quail
2009/7/31
Establishment of small body size poultry is an important strategy, which leads to effective management of bird-colonies and less feed consumption. And also it would be a useful experimental tool for ...
Effects of Long Term o,p’-DDT Administration on Reproductive Parameters and Liver Histology in Adult Male Japanese Quail (Coturnix japonica)
o, p’-DDT hepatocyte male Japanese quail reproductive parameters
2009/7/31
This study was carried out to investigate the effects of low oral doses of o, p’-DDT on the reproductive parameters and liver histology in adult male Japanese quail over a long period (120 days). The ...
Long-term effects of different burning frequencies on the dry savannah grassland in South Africa
Fire treatment rangeland management soil nutrients soil macro fauna grass biomass
2009/3/4
The use of fire in the management of grassland is a common rangeland practice in South Africa. This portends ecological implication for the sustainability of the savannah rangelands as a system. A l...
The Effects of Short or Long Term FGA Treatment with or without eCG on Reproductive Performance of Ewes Bred Out-of-season
Awassi ewes FGA sponges eCG Out-of-season
2009/1/19
The objective was to evaluate the effects of intravaginal FGA sponges inserted for 4 or 12 days with or without eCG on reproductive performance of ewes out-of-season. Forty-eight anestrous ewes were a...