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76 results for “guinea pigs”
Fig. 2 in Phenotypic and Genotypic Characterization ofEimeria caviae from Guinea Pigs (Cavia porcellus)
Fig. 2. Photomicrographs of sporulated oocysts of Eimeria caviae, a coccidium species recovered from Guinea pigs Cavia porcellus: (A, B, D) sub-spherical, (C, D) ellipsoidal, and (D, E, F) ovoidal oocysts. In (D) three shapes can be observed in the same field. The arrowheads point the Stieda and parastieda bodies. Sheather's sugar solution. Scale bar: 10 µm.
Fig. 3 in Phenotypic and Genotypic Characterization ofEimeria caviae from Guinea Pigs (Cavia porcellus)
Fig. 3. Histograms of (A) length, width and (B) shape-index, and (C) linear regression of the oocysts of Eimeria caviae, a coccidium species recovered from Guinea pigs Cavia porcellus.
Fig. 1 in Phenotypic and Genotypic Characterization ofEimeria caviae from Guinea Pigs (Cavia porcellus)
Fig. 1. Line drawings of sporulated oocysts of Eimeria caviae, a coccidium species recovered from Guinea pigs Cavia porcellus: (A) subspherical, (B) ellipsoidal, and (C) ovoidal oocysts; (D–G) variations of the Stieda bodies; (H–K) variations of the parastieda bodies; (L–M) variations of roughness of the oocyst wall. Scale bar: 10 µm.
Transcriptomic Analysis Data for MSTN Mutations and Mechanisms of Muscle Hypertrophy in a New Guinea Pig Breed
<p>This dataset contains raw RNA-seq data from six guinea pig muscle samples, split into two groups:</p> <ul> <li><strong>Native guinea pigs (B1 to B3):</strong> Control group with no selective breeding.</li> <li><strong>Kuri breed guinea pigs (B4 to B6):</strong> Synthetic hybrid group selectively bred for increased muscle mass.<br>Each sample has paired-end FASTQ files (e.g., B1_1.fq.gz and B1_2.fq.gz).</li> </ul>
SBF-SEM Dataset of Guinea Pig Adult Psoas
<p>Multiple SBF-SEM datasets from 3 Duncan hartley guinea pig adult psoas muscle. Parameters for each of the datasets are attached as a spreadsheet, including nm resolution, image size, number of sections and section thickness. </p> <p> </p>
Guinea Pig Skin & Tick Bite Site - Widefield H&E Reference Images
<p>Underlying H&E stained guinea pig skin from control (unbitten) and tick-bitten skin. Ticks: nymphal <em>Ixodes scapularis</em>. These images are reference files for the positive and negative mode MALDI-FTICR (MSI) images collected for lipids. Collected on a Zeiss AxioImager M2 using an in-built default stitching function. Native files: .czi can be opened in Zen Lite or Zen Pro.</p>
Reproduction affects immune defenses in the guinea pig even under ad libitum food
<p>Reproduction is one of the most costly processes in the life of an animal. Life history theory assumes that when resources are limiting allocation to reproduction will reduce allocation to other essential processes thereby inducing costs of reproduction. The immune system is vital for survival. If reproduction reduces investment in immune function, this could increase the risk of disease, morbidity and mortality. We here test in the guinea pig, if even under <i>ad libitum</i> food conditions, pregnancy and lactation reduce the activity of the adaptive and innate immune system compared to the reaction of non-reproducing animals. In response to a challenge with keyhole limpet haemocyanin the antibody-mediated adaptive immunity during pregnancy and lactation was reduced. Pregnant and lactating females showed higher levels of bacterial killing activity, an integrated measure of innate immunity, than non-reproducing females. However, two major effectors of the innate immunity, the natural antibody and the complement of pregnant and lactating females showed lower levels than in non-reproducing females. Pregnant and lactating females did not differ significantly in the expressed levels of innate immunity. Our results indicate that changes in the immune response during reproduction are physiological adjustments to predictable allocation problems, because they happen even under <i>ad libitum</i> food availability.</p>
Data from: The way wear goes – phytolith-based wear on the dentine-enamel system in guinea pigs (Cavia porcellus)
The effect of phytoliths on tooth wear and function has been contested in studies of animal plant interactions. For herbivores whose occlusal chewing surface consists of enamel ridges in dentine tissue, the phytoliths might first erode the softer dentine, exposing the enamel ridges to different occlusal forces and thus leading to enamel wear. To test this hypothesis, we fed guinea pigs (Cavia porcellus; n=36 in 6 groups) for three weeks exclusively on dry or fresh forage of low (lucerne), moderate (fresh timothy grass) or very high (bamboo leaves) silica content representing corresponding levels of phytoliths. We quantified the effect of these treatments with measurements from micro CT scans. Tooth height indicated extreme wear of the bamboo diet that apparently brought maxillary incisors and molars close to the minimum required for functionality. There were negative relationships between a cheek tooth's height and the depth of its dentine basin, corroborating the hypothesis that dentine erosion plays an important role in herbivore tooth wear. In spite of lower body mass, bamboo-fed animals had paradoxically longer cheek tooth rows, and larger occlusal surfaces. Because ever-growing teeth can only change in shape from the base upwards, this is a strong indication that failure to compensate for wear by dental height-growth additionally triggered general expansive growth of the tooth bases. The results suggest that enamel wear may occur in sequence after dentine wear and not the other way around, and illustrate a surprising plasticity in the reactivity of this rodent's system that adjusts tooth growth to wear.
Distribution. Sulawesi and adjacent Is (Buton, Kabaena, Muna, Peleng, Lembeh, and on some of the Togian Is); thought to be extinct on Selayar I. Pigs have been widely domesticated through the Indonesian archipelago and beyond. This primarily involved the Eurasian Wild Pig (S. scrofa), but also S. celebensis, the only other species of pig successfully domesticated. Mitochondrial DNA studies of the dispersion of these domesticated forms agree on three major dispersal events, two involving S. scrofa and one S. celebensis. Evidence supports an early human-mediated translocation of S. celebensis to Flores and Timor and two later, separate human-mediated dispersals of domestic pig through islands of SE Asia into Oceania. In addition to Flores and Timor, S. celebensis is also thought to occur in its domesticated form on Halmahera, Lendu, Roti, and Savur Is, and even on Simeulue and Nias Is to the W of Sumatra and far from its island of origin, Sulawesi. In the Moluccas, and possibly elsewhere in this region, introduced S. celebensis are thought to have hybridized with other introduced pigs of S. scrofa derivation, and apparent hybrids between these species are now reported to survive on a number of islands, including Salawatti, Great Kei, Dobu, Seram, Ambon, Bacan, Ternate, Morotai, and New Guinea. It is also reported that in the 19" century the sows of domestic pigs in Sulawesi frequently mated with wild animals, after which they returned to their villages. in Suidae
Distribution. Sulawesi and adjacent Is (Buton, Kabaena, Muna, Peleng, Lembeh, and on some of the Togian Is); thought to be extinct on Selayar I. Pigs have been widely domesticated through the Indonesian archipelago and beyond. This primarily involved the Eurasian Wild Pig (S. scrofa), but also S. celebensis, the only other species of pig successfully domesticated. Mitochondrial DNA studies of the dispersion of these domesticated forms agree on three major dispersal events, two involving S. scrofa and one S. celebensis. Evidence supports an early human-mediated translocation of S. celebensis to Flores and Timor and two later, separate human-mediated dispersals of domestic pig through islands of SE Asia into Oceania. In addition to Flores and Timor, S. celebensis is also thought to occur in its domesticated form on Halmahera, Lendu, Roti, and Savur Is, and even on Simeulue and Nias Is to the W of Sumatra and far from its island of origin, Sulawesi. In the Moluccas, and possibly elsewhere in this region, introduced S. celebensis are thought to have hybridized with other introduced pigs of S. scrofa derivation, and apparent hybrids between these species are now reported to survive on a number of islands, including Salawatti, Great Kei, Dobu, Seram, Ambon, Bacan, Ternate, Morotai, and New Guinea. It is also reported that in the 19" century the sows of domestic pigs in Sulawesi frequently mated with wild animals, after which they returned to their villages.
On following pages: 5. Greater Guinea Pig (Cavia magna); 6. Santa Catarina's Guinea Pig (Cavia intermedia); 7. Southern Mountain Cavy (Microcavia australis); 8. Northern Mountain Cavy (Microcavia niata); 9. Shipton's Mountain Cavy (Microcavia shiptoni); 10. Spix's Yellow-toothed Cavy (Galea spixii); 11. Eastern Yellow-toothed Cavy (Galea flavidens); 12. Highland Yellow-toothed Cavy (Galea musteloides); 13. Southern Highland Yellow-toothed Cavy (Galea comes); 14. Lowland Yellow-toothed Cavy (Galea leucoblephara); 15. Greater Capybara (Hydrochoerus hydrochaeris); 16. Lesser Capybara (Hydrochoerus isthmius); 17. Rock Cavy (Kerodon rupestris); 18. Acrobatic in Caviidae
On following pages: 5. Greater Guinea Pig (Cavia magna); 6. Santa Catarina's Guinea Pig (Cavia intermedia); 7. Southern Mountain Cavy (Microcavia australis); 8. Northern Mountain Cavy (Microcavia niata); 9. Shipton's Mountain Cavy (Microcavia shiptoni); 10. Spix's Yellow-toothed Cavy (Galea spixii); 11. Eastern Yellow-toothed Cavy (Galea flavidens); 12. Highland Yellow-toothed Cavy (Galea musteloides); 13. Southern Highland Yellow-toothed Cavy (Galea comes); 14. Lowland Yellow-toothed Cavy (Galea leucoblephara); 15. Greater Capybara (Hydrochoerus hydrochaeris); 16. Lesser Capybara (Hydrochoerus isthmius); 17. Rock Cavy (Kerodon rupestris); 18. Acrobatic
3D Reconstruction of guinea pigs cardiac SBF-SEM datasets
<p>3D Reconstruction of guinea pigs cardiac SBF-SEM datasets:</p> <p>Total three datasets were reconstructed in 3D. The serial sections of the dataset are put in the file name. </p> <p>Reconstructions were done using MIB and AMIRA</p>
SBF-SEM Dataset of Guinea Pig Fetal Day 50-54 Psoas Muscle
<p>Multiple SBF-SEM datasets of Duncan Hartley guinea pigs at fetal day 50-54 from psoas muscle. Parameters for each of the datasets are attached as a spreadsheet, including nm resolution, image size, number of sections and section thickness. </p>
SBF-SEM Dataset of Guinea Pig Adult Soleus
<p>Multiple SBF-SEM datasets from 3 Duncan hartley guinea pig adult soleus muscle. Parameters for each of the datasets are attached as a spreadsheet, including nm resolution, image size, number of sections and section thickness. </p>
SBF-SEM Dataset of Guinea Pig Fetal Day 55-59 Soleus Muscle
<p>Multiple SBF-SEM datasets of Duncan Hartley guinea pigs at fetal day 55-59 from soleus muscle. Parameters for each of the datasets are attached as a spreadsheet, including nm resolution, image size, number of sections and section thickness. </p>
SBF-SEM Dataset of Guinea Pig Fetal Day 55-59 Psoas Muscle
<p>Multiple SBF-SEM datasets of Duncan Hartley guinea pigs at fetal day 55-59 from psoas muscle. Parameters for each of the datasets are attached as a spreadsheet, including nm resolution, image size, number of sections and section thickness. </p>
SBF-SEM Dataset of Guinea Pig Fetal Day 60-64 Psoas Muscle
<p>Multiple SBF-SEM datasets from 3 Duncan hartley guinea pig fetal day 60-64 psoas muscle. Parameters for each of the datasets are attached as a spreadsheet, including nm resolution, image size, number of sections and section thickness. </p>
SBF-SEM Dataset of Guinea Pig Fetal Day 60-64 Soleus Muscle
<p>Multiple SBF-SEM datasets from 3 Duncan hartley guinea pig fetal day 60-64 soleus muscle. Parameters for each of the datasets are attached as a spreadsheet, including nm resolution, image size, number of sections and section thickness. </p>
SBF-SEM Dataset of Guinea Pig Fetal Day 50-54 Soleus Muscle
<p>Multiple SBF-SEM datasets of Duncan Hartley guinea pigs at fetal day 50-54 from soleus muscle. Parameters for each of the datasets are attached as a spreadsheet, including nm resolution, image size, number of sections and section thickness. </p>
Supporting data and libraries used for statistical analysis for the article: "Targeted metabolomic profiling reveals differences in plasma metabolome of ovalbumin sensitised guinea pigs"
<p>Supporting data and libraries used for statistical analysis for the article: "Targeted metabolomic profiling reveals differences in plasma metabolome of ovalbumin sensitised guinea pigs"</p>
Guinea Pig Skin & Tick Bite Site - MSI Raw Data Files
<p>Ticks: nymphal <em>Ixodes scapularis</em>. Skin: Hartley Guinea Pigs. Raw MALDI-FTICR mass spectrometry imaging (MSI) data. File labeled "1" is negative ion mode. File labeled "2" is positive ion mode.</p>
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OpenNeuro
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