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Biological Sciences: zoology > animal physiology > animal reproduction > animal fertility
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950 items, grouped by Natural Resources, Earth and Environmental Sciences (view ungrouped items)

atmospheric sciences (81)   
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Risk Factors Associated with Salmonella Status of Broiler Flocks Delivered to Grow-Out Farms
Zoonoses and public health

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Cattle herd vulnerability to rainfall variability: responses to two management scenarios in southern Ethiopia
Tropical plant biology

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The effect of darkness on mating and pleopodal egg production time in a freshwater crayfish, Astacus leptodactylus Eschscholtz
Aquaculture international

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Osmotic stress at seedling stage impairs reproductive development in buckwheat (Fagopyrum esculentum)
Physiologia plantarum

all 81 items...

earth system science (6)   
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Cattle herd vulnerability to rainfall variability: responses to two management scenarios in southern Ethiopia
Tropical plant biology

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Cool dudes: The denial of climate change among conservative white males in the United States
Global environmental change

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An exploration of direct and indirect drivers of herbivore reproductive performance in arid and semi arid rangelands by means of structural equation models
Journal of arid environments

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Factors influencing reproductive performance of cows from different Nguni ecotypes in southern Mozambique
Tropical plant biology

all 6 items...

ecology (255)   
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Effect of GnRH administration, combined with the ram effect, on the occurrence of ovulation and pregnancy during the transition period from anoestrus in crossbred ewes
Small ruminant research

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Risk Factors Associated with Salmonella Status of Broiler Flocks Delivered to Grow-Out Farms
Zoonoses and public health

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Association of Mycobacterium avium subspecies paratuberculosis infection with milk production and calving interval in Iranian Holsteins
Tropical plant biology

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Diet supplementation with clinoptilolite improves energy status, reproductive efficiency and increases milk yield in dairy heifers
Animal production science

all 255 items...

environment (45)   
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Estimates of strain additive genetic, heterosis and reciprocal effects for male proportion in Nile tilapia, Oreochromis niloticus L.
Aquaculture

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The effect of darkness on mating and pleopodal egg production time in a freshwater crayfish, Astacus leptodactylus Eschscholtz
Aquaculture international

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Triploid Black Tiger shrimp (Penaeus monodon) performance from egg to harvest age
Aquaculture

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Adult fathead minnow, Pimephales promelas, partial life‐cycle reproductive and gonadal histopathology study with bisphenol A
Environmental toxicology and chemistry

all 45 items...

environmental science (19)   
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Genetic trends production and somatic cell count for Jersey cattle in Zimbabwe born from 1994 to 2005
Tropical plant biology

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Effects of food availability on reproductive output, offspring quality and reproductive efficiency in the apple snail Pomacea canaliculata
Biological invasions

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Infertility in male aquatic invertebrates: A review
Aquatic toxicology

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Ecological effects and management of invasive alien Vespidae
BioControl

all 19 items...

geography (11)   
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Administration of a long-acting antiparasitic to pre-pubertal ewe-lambs in Greece results in earlier reproductive activity and improved reproductive performance
Veterinary parasitology

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Variation in sperm morphometry and sperm competition among barn swallow (Hirundo rustica) populations
Behavioral ecology and sociobiology

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Ecological effects and management of invasive alien Vespidae
BioControl

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No evidence that temperature‐related fertility differences influence the distribution of a selfish genetic element
Functional ecology

all 11 items...

geology (14)   
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Sustainable sheep management using continuous grazing and variable stocking rates in Patagonia: a case study
Rangeland journal

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Long-term effects on sward composition and animal performance of reducing fertilizer inputs to upland permanent pasture
Grass and forage science

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An exploration of direct and indirect drivers of herbivore reproductive performance in arid and semi arid rangelands by means of structural equation models
Journal of arid environments

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Effects of strategic helminthosis control on age at first lambing and lambing interval of communally grazed Menz ewes in Ethiopia
Livestock science

all 14 items...

hydrology (7)   
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The effect of darkness on mating and pleopodal egg production time in a freshwater crayfish, Astacus leptodactylus Eschscholtz
Aquaculture international

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Tank spawning of first generation domestic green sturgeon
Zeitschrift fur angewandte Ichthyologie

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Effect of hydrogen ion on Macrobrachium rosenbergii (de Man) egg hatchability in brackish water
Aquaculture

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Improved cryopreservation of bovine preimplantation embryos cultured in chemically defined medium
Animal reproduction science

all 7 items...

natural resource management (41)   
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Cattle herd vulnerability to rainfall variability: responses to two management scenarios in southern Ethiopia
Tropical plant biology

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Sustainable sheep management using continuous grazing and variable stocking rates in Patagonia: a case study
Rangeland journal

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Tank spawning of first generation domestic green sturgeon
Zeitschrift fur angewandte Ichthyologie

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Reintroduction success of threatened Australian trout cod (Maccullochella macquariensis) based on growth and reproduction
Marine and freshwater research

all 41 items...

natural resources (287)   
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Effect of GnRH administration, combined with the ram effect, on the occurrence of ovulation and pregnancy during the transition period from anoestrus in crossbred ewes
Small ruminant research

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Effect of mastitis during the first lactation on production and reproduction performance of Holstein cows
Tropical plant biology

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The association of ruminal pH and some metabolic parameters with conception rate at first artificial insemination in Thai dairy cows
Tropical plant biology

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Diet supplementation with clinoptilolite improves energy status, reproductive efficiency and increases milk yield in dairy heifers
Animal production science

all 287 items...

soil science (7)   
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Long-term effects on sward composition and animal performance of reducing fertilizer inputs to upland permanent pasture
Grass and forage science

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Lipid economy, flight activity and reproductive behaviour in the speckled wood butterfly: on the energetic cost of territory holding
Oikos

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Facilitation of the non-native Taraxacum officinale by native nurse cushion species in the high Andes of central Chile: are there differences between nurses
Functional ecology

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Sexual selection in earthworms: Mate choice, sperm competition, differential allocation and partner manipulation
Applied soil ecology

all 7 items...