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36 results for “reproductive status”
Fig. 1 in The seasonal reproductive status of tawny crazy ant queens (Hymenoptera: Formicidae) in Florida
Fig. 1. Ovaries dissected from Nylanderia fulva queens. (A) Ovary rated as a "2" (1–10 eggs) where the spermatheca is present. (B) Ovary rating of "4" (> 50 eggs).
Fig. 2 in The seasonal reproductive status of tawny crazy ant queens (Hymenoptera: Formicidae) in Florida
Fig. 2. Percent frequency of Nylanderia fulva queens with specified ovary ratings: 1 = 0 eggs; 2 = 1 to 10 eggs; 3 = 10 to 50 eggs; 4 => 50 eggs. (A) among seasons (winter: Dec–Feb, n = 155; spring: Mar–May, n = 90; summer: Jun–Aug, n = 150; fall: Sep–Nov, n = 126), and (B) between uninseminated (n = 65) and inseminated (n = 456) queens over all seasons.
Data for: Effects of reproductive status on behavioral and neural responses to isolated pup stimuli in female California mice
<p>The transition to motherhood in mammals is marked by changes in females' perception of and responsiveness to sensory stimuli from infants. Our understanding of maternally induced sensory plasticity relies most heavily on studies in uniparental, promiscuous house mice and rats, which may not be representative of rodent species with different life histories. We exposed biparental, monogamous California mouse (<em>Peromyscus californicus)</em> mothers and ovariectomized virgin females to one of four acoustic and olfactory stimulus combinations (Control: clean cotton and white noise; Call: clean cotton and pup vocalizations; Odor: pup-scented cotton and white noise; Call + Odor: pup-scented cotton and pup vocalizations) and quantified females' behavior and Fos expression in select brain regions. Behavior did not differ between mothers and ovariectomized virgins. Among mothers, however, those exposed to the Control condition took the longest to sniff the odor stimulus, and mothers exposed to the Odor condition were quicker to sniff the odor ball compared to those in the Call condition. Behavior did not differ among ovariectomized virgins exposed to the different conditions. Fos expression differed across conditions only in the anterior hypothalamic nucleus (AHN), which response to aversive stimuli: among mothers, the Control condition elicited the highest AHN Fos and Call + Odor elicited the lowest. Among ovariectomized virgin females, Call elicited the lowest Fos in the AHN. Thus, reproductive status in California mice alters females' behavioral responses to stimuli from pups, especially odors, and results in the inhibition of defense circuitry in response to pup stimuli.</p>
Seasonal variation in age, sex, and reproductive status of Mexican free-tailed bats
<p>In North America, Mexican free-tailed bats (Tadarida brasiliensis mexicana) consume vast numbers of insects contributing to the economic well-being of society. Mexican free-tailed bats have declined due to historic guano mining, roost destruction, and bioaccumulation of organochlorine pesticides. Long-distance migrations and dense congregations at roosts exacerbate these declines. Wind energy development further threatens bat communities worldwide and presents emerging challenges to bat conservation. Effective mitigation of bat mortality at wind energy facilities requires baseline data on the biology of affected populations. We collected data on age, sex, and reproductive condition of Mexican free-tailed bats at a cave roost in eastern Nevada located six km from a 152-megawatt industrial wind energy facility. Over five years, we captured 46,353 Mexican free-tailed bats. Although just over half of the caught individuals were non-reproductive adult males (53.6%), 826 pregnant, 892 lactating, 10,101 post-lactating, and 4,327 non-reproductive adult females were captured. Juveniles comprised 11.5% of captures. Female reproductive phenology was delayed relative to conspecific roosts at lower latitudes, likely due to cooler temperatures. Roost use by reproductive females and juvenile bats demonstrates this site is a maternity roost, with significant ecological and conservation value. To our knowledge, no other industrial scale wind energy facilities exist in such close proximity to a heavily used bat roost in North America. Given the susceptibility of Mexican free-tailed bats to wind turbine mortality and the proximity of this roost to a wind energy facility, these data provide a foundation from which differential impacts on demographic groups can be assessed.</p>
Seasonal variation in age, sex, and reproductive status of Mexican free-tailed bats
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Data from: An assessment of whether age, sex, and reproductive status affect bait uptake by grey squirrels
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Data for: Effects of reproductive status on behavioral and neural responses to isolated pup stimuli in female California mice
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Data from: Influence of reproductive status on occupancy of salvage-logged boreal forest by moose (Alces americanus)
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Distribution. Now restricted to the Channel Country of SW Queensland and the Lake Eyre Basin in NE South Australia. Descriptive notes. Head-body 95-120 mm, tail 105-160 mm, ear 23-29 mm, hindfoot 32-37 mm; weight 30-50 g. The Fawn Hopping Mouse has body form typical of hopping mice, with very long hindfeet, long tail with distal brush of longer hairs, very long ears, and large protruberant eyes. Dorsal fur is of variable color, from pale pinkish fawn to gray; ventral fur white. Unlike most other hopping mice, it has no throat pouch, but males have a glandular area of naked skin on the chest. Habitat. Occurs in low shrublands and tussock grasslands on stony ("gibber") plains and claypans. Shows marked habitat segregation from the Dusky Hopping Mouse (N. fuscus), which is closely associated with sandy substrates. Food and Feeding. The Fawn Hopping Mouse is mostly granivorous, but also eats other plant material (stems, leaves) and occasionally invertebrates. It uses succulent, salt-adapted plants around edges of claypans as a source of water. Breeding. Reproduction is probably largely opportunistic and aseasonal, with high reproductive output from near-continuous breeding after periods of high rainfall; reported littersize is 1-5, most commonly three; gestation period 38-43 days for nonlactating females. Females may mature later than other hopping mice, with reproductive maturity reached at about six months. Activity patterns. Terrestrial and nocturnal. Fawn Hopping Mice shelter during day in burrow systems that are typically simpler and shallower than those of other hopping mice. Movements, Home range and Social organization. Fawn Hopping Mice generally live singly or in small groups; typically uncommon within range, but population density may increase by an order of magnitude following periods of high rainfall. Status and Conservation. Classified as Near Threatened on The IUCN Red List. The Fawn Hopping Mouse has shown marked decline in range (estimated at greater than 50%), and presumably population size, since European settlement of Australia. This is mostlikely due to predation by the introduced house cat and Red Fox (Vulpes vulpes), and to habitat degradation associated with pastoralism. Bibliography. Brazenor (1934), Burbidge et al. (2008), Finlayson (1939), Gould (1853), Jackson & Groves (2015), Murray et al. (1999), Ogilby (1892), Thomas (1921h), Van Dyck & Strahan (2008), Waite (1898), Watts & Aslin (1981), Woinarski et al. (2014), Wood Jones (1925). in Muridae
Distribution. Now restricted to the Channel Country of SW Queensland and the Lake Eyre Basin in NE South Australia. Descriptive notes. Head-body 95-120 mm, tail 105-160 mm, ear 23-29 mm, hindfoot 32-37 mm; weight 30-50 g. The Fawn Hopping Mouse has body form typical of hopping mice, with very long hindfeet, long tail with distal brush of longer hairs, very long ears, and large protruberant eyes. Dorsal fur is of variable color, from pale pinkish fawn to gray; ventral fur white. Unlike most other hopping mice, it has no throat pouch, but males have a glandular area of naked skin on the chest. Habitat. Occurs in low shrublands and tussock grasslands on stony ("gibber") plains and claypans. Shows marked habitat segregation from the Dusky Hopping Mouse (N. fuscus), which is closely associated with sandy substrates. Food and Feeding. The Fawn Hopping Mouse is mostly granivorous, but also eats other plant material (stems, leaves) and occasionally invertebrates. It uses succulent, salt-adapted plants around edges of claypans as a source of water. Breeding. Reproduction is probably largely opportunistic and aseasonal, with high reproductive output from near-continuous breeding after periods of high rainfall; reported littersize is 1-5, most commonly three; gestation period 38-43 days for nonlactating females. Females may mature later than other hopping mice, with reproductive maturity reached at about six months. Activity patterns. Terrestrial and nocturnal. Fawn Hopping Mice shelter during day in burrow systems that are typically simpler and shallower than those of other hopping mice. Movements, Home range and Social organization. Fawn Hopping Mice generally live singly or in small groups; typically uncommon within range, but population density may increase by an order of magnitude following periods of high rainfall. Status and Conservation. Classified as Near Threatened on The IUCN Red List. The Fawn Hopping Mouse has shown marked decline in range (estimated at greater than 50%), and presumably population size, since European settlement of Australia. This is mostlikely due to predation by the introduced house cat and Red Fox (Vulpes vulpes), and to habitat degradation associated with pastoralism. Bibliography. Brazenor (1934), Burbidge et al. (2008), Finlayson (1939), Gould (1853), Jackson & Groves (2015), Murray et al. (1999), Ogilby (1892), Thomas (1921h), Van Dyck & Strahan (2008), Waite (1898), Watts & Aslin (1981), Woinarski et al. (2014), Wood Jones (1925).
Figure 4 in Population dynamics and reproductive status of Microcosmus savignyi Monniot, 1962 (Thermaikos Gulf, Eastern Mediterranean): a preliminary assessment
Figure 4. Modal progression analysis of Microcosmus savignyi length-frequency data. (Black line5NORMSEP method, dotted line5BATTACHARYA method).
Figure 5 in Population dynamics and reproductive status of Microcosmus savignyi Monniot, 1962 (Thermaikos Gulf, Eastern Mediterranean): a preliminary assessment
Figure 5. Gonad sections of Microcosmus savignyi. i5oocytes reaching maturity, i.e. premature stage (7-2005, scale 10×10); ii5mature oocyte, i.e. partly spawned stage (3-2006, scale 10×100); iii5immature oocytes, i.e. spent – recovery stage (4-2005, scale 10×10); iv5sperm duct full of spermatozoa, i.e. mature stage (7-2005, scale 10×40).
Figure 1 in Population dynamics and reproductive status of Microcosmus savignyi Monniot, 1962 (Thermaikos Gulf, Eastern Mediterranean): a preliminary assessment
Figure 1. Map of Greece (left) and detailed chart of Thessaloniki Bay (right) indicating sampling area.
Figure 3 in Population dynamics and reproductive status of Microcosmus savignyi Monniot, 1962 (Thermaikos Gulf, Eastern Mediterranean): a preliminary assessment
Figure 3. Seasonal oscillations of Microcosmus savignyi population density in Thessaloniki Bay (individuals/20-min dive).
Fig. 1 in Size Relationships, Early Reproductive Status, and Mandibular Wear in AdultTetracha(=Megacephala)Carolina(L.) (Coleoptera: Carabidae: Cicindelinae)
Fig. 1. Mandible of Tetracha carolina, showing example of wear catergories 0 (top), 1, 2, and 3 (bottom).
Sex makes them sleepy: host reproductive status induces diapause in a parasitoid population experiencing harsh winters
<p>When organisms coevolve, any change in one species can induce phenotypic changes in traits and ecology of the other species. The role such interactions play in ecosystems is central, but their mechanistic bases remain underexplored. Upper trophic level species have to synchronize their life-cycle to both abiotic conditions and to lower trophic level species’ phenology and phenotypic variations. We tested the effect of host seasonal strategy on parasitoid diapause induction by using a holocyclic clone of the pea aphid <em>Acyrthosiphon pisum</em> producing asexual and sexual morphs that are viviparous females (i.e. laying embryos) and oviparous females (laying eggs), respectively, the latter being only present at the end of the growing season. <em>Aphidius ervi</em> parasitoids from populations of contrasted climatic origin (harsh vs. mild winter areas) were allowed to parasitize each morph in a split-brood design and developing parasitoids were next reared under either fall-like or summer-like temperature-photoperiod conditions. We next examined aspects of the host physiological state by comparing the relative proportion of forty-seven metabolites and lipid reserves in both morphs produced under the same conditions. We found that oviparous morphs are cues per se for diapause induction; parasitoids entered diapause at higher levels when developing in oviparous hosts (19.4 ± 3.0%) than in viviparous ones (3.6 ± 1.3%), under summer-like conditions (i.e., when oviparous aphids appear in the fields). This pattern was only observed in parasitoids from the harsh winter area since low diapause levels were observed in the other population, suggesting local adaptations to overwintering cues. Metabolomics analyses show parasitoids’ response to be mainly influenced by the host’s physiology, with higher proportion of polyols and sugars, and more fat reserves being found in oviparous morphs. Host quality thus varies across the seasons and represents one of the multiple environmental parameters affecting parasitoid diapause. Our results underline strong coevolutionary processes between hosts and parasitoids in their area of origin, likely leading to phenological synchronization, and we point out the importance of such bottom-up effects for trait expression, and for the provision of ecosystem services such as biological control in the context of climate change.</p>
A Study on the Uterus, Ovarian and Reproductive Functions According to Conditioning Regimen and Pubertal Status at the Time of Stem Cell Transplantation in a Leukemia Pediatric Population
ClinicalTrials.gov study NCT03583294. IPD Sharing: NO. Countries: 1. Publications: 1.
Iron Status in Women of Reproductive Age Reproductive Age
ClinicalTrials.gov study NCT03276247. IPD Sharing: NO. Countries: 1. Publications: 1.
The Relationship Between Iron Status, Cognitive Performance, Subjective Mood and Fatigue in Women of Reproductive Age.
ClinicalTrials.gov study NCT04257669. IPD Sharing: Not stated. Countries: 1. Publications: 3.
Dietary Patterns, Inflammation, Zinc Status, and Body Composition in Multi-Ethnic Women of Reproductive Age in Jakarta
ClinicalTrials.gov study NCT07170904. IPD Sharing: NO. Countries: 1. Publications: 6.
Data from: Effects of age and reproductive status on individual foraging site fidelity in a long-lived marine predator
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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