Combined addition of L-carnitine and L-proline improves cryopreservation of dairy goat semen
Anim Reprod Sci. 2023 Aug 30;257:107325. doi: 10.1016/j.anireprosci.2023.107325. Online ahead of print.ABSTRACTCryopreservation of semen renders artificial insemination easier and cheaper compared to use of fresh semen. However, the cellular oxidative stress, toxicity of cryoprotectants, and osmotic imbalance may lead to a decline in semen quality and fertilization ability during the process of cryopreservation. L-carnitine and L-proline have been demonstrated to possess effective antioxidant properties in cryopreservation, with the latter also exhibiting excellent permeability and thus being utilized as a permeable cryopr...
Source: Animal Reproduction Science - September 7, 2023 Category: Zoology Authors: Jianglin Zhao Peng Meng Miaomiao Jin Xianghai Ma Hongwei Ma Hanwen Yang Yanzhi Chen Junyu Zhang Yong Zhang Yan Luo Jun Liu Source Type: research
First acoustic evidence of signature whistle production by spinner dolphins (Stenella longirostris)
Anim Cogn. 2023 Sep 7. doi: 10.1007/s10071-023-01824-8. Online ahead of print.ABSTRACTA dolphin's signature whistle (SW) is a distinctive acoustic signal, issued in a bout pattern of unique frequency modulation contours; it allows individuals belonging to a given group to recognize each other and, consequently, to maintain contact and cohesion. The current study is the first scientific evidence that spinner dolphins (Stenella longirostris) produce SWs. Acoustic data were recorded at a shallow rest bay called "Biboca", in Fernando de Noronha Archipelago, Brazil. In total, 1902 whistles were analyzed; 40% (753/1,902) of them...
Source: Animal Cognition - September 7, 2023 Category: Zoology Authors: Raul Rio Source Type: research
A soy lecithin nanoparticles-based extender effectively cryopreserves Holstein bull sperm
The objective was to determine the effects of lecithin type and concentration on the quality of frozen-thawed bovine sperm. We hypothesized that reducing the size of lecithin improves its interactions with the sperm and enhances the parameters that favor its motility, viability and fertility. Semen was collected from six mature Holstein bulls and ejaculates meeting minimum standards were pooled. Eight Tris-based extenders that contained 1, 2, 3, or 4 % of either conventional lecithin (L1-L4) or NL (NL1-NL4), plus two control extenders (one animal-based extender containing 20 % egg yolk [EY] and a commercial lecithin-based ...
Source: Animal Reproduction Science - September 7, 2023 Category: Zoology Authors: Seyyed Mojtaba Mousavi Armin Towhidi Mahdi Zhandi Abdollah Mohammadi-Sangcheshmeh Ghassem Amou-Abediny Mehdi Moradi John P Kastelic Source Type: research
Combined addition of L-carnitine and L-proline improves cryopreservation of dairy goat semen
Anim Reprod Sci. 2023 Aug 30;257:107325. doi: 10.1016/j.anireprosci.2023.107325. Online ahead of print.ABSTRACTCryopreservation of semen renders artificial insemination easier and cheaper compared to use of fresh semen. However, the cellular oxidative stress, toxicity of cryoprotectants, and osmotic imbalance may lead to a decline in semen quality and fertilization ability during the process of cryopreservation. L-carnitine and L-proline have been demonstrated to possess effective antioxidant properties in cryopreservation, with the latter also exhibiting excellent permeability and thus being utilized as a permeable cryopr...
Source: Animal Reproduction Science - September 7, 2023 Category: Zoology Authors: Jianglin Zhao Peng Meng Miaomiao Jin Xianghai Ma Hongwei Ma Hanwen Yang Yanzhi Chen Junyu Zhang Yong Zhang Yan Luo Jun Liu Source Type: research
First acoustic evidence of signature whistle production by spinner dolphins (Stenella longirostris)
Anim Cogn. 2023 Sep 7. doi: 10.1007/s10071-023-01824-8. Online ahead of print.ABSTRACTA dolphin's signature whistle (SW) is a distinctive acoustic signal, issued in a bout pattern of unique frequency modulation contours; it allows individuals belonging to a given group to recognize each other and, consequently, to maintain contact and cohesion. The current study is the first scientific evidence that spinner dolphins (Stenella longirostris) produce SWs. Acoustic data were recorded at a shallow rest bay called "Biboca", in Fernando de Noronha Archipelago, Brazil. In total, 1902 whistles were analyzed; 40% (753/1,902) of them...
Source: Animal Cognition - September 7, 2023 Category: Zoology Authors: Raul Rio Source Type: research
First acoustic evidence of signature whistle production by spinner dolphins (Stenella longirostris)
Anim Cogn. 2023 Sep 7. doi: 10.1007/s10071-023-01824-8. Online ahead of print.ABSTRACTA dolphin's signature whistle (SW) is a distinctive acoustic signal, issued in a bout pattern of unique frequency modulation contours; it allows individuals belonging to a given group to recognize each other and, consequently, to maintain contact and cohesion. The current study is the first scientific evidence that spinner dolphins (Stenella longirostris) produce SWs. Acoustic data were recorded at a shallow rest bay called "Biboca", in Fernando de Noronha Archipelago, Brazil. In total, 1902 whistles were analyzed; 40% (753/1,902) of them...
Source: Animal Cognition - September 7, 2023 Category: Zoology Authors: Raul Rio Source Type: research
First acoustic evidence of signature whistle production by spinner dolphins (Stenella longirostris)
Anim Cogn. 2023 Sep 7. doi: 10.1007/s10071-023-01824-8. Online ahead of print.ABSTRACTA dolphin's signature whistle (SW) is a distinctive acoustic signal, issued in a bout pattern of unique frequency modulation contours; it allows individuals belonging to a given group to recognize each other and, consequently, to maintain contact and cohesion. The current study is the first scientific evidence that spinner dolphins (Stenella longirostris) produce SWs. Acoustic data were recorded at a shallow rest bay called "Biboca", in Fernando de Noronha Archipelago, Brazil. In total, 1902 whistles were analyzed; 40% (753/1,902) of them...
Source: Animal Cognition - September 7, 2023 Category: Zoology Authors: Raul Rio Source Type: research
Revisiting the Role of Genetic Variation in Adaptation
The American Naturalist, Ahead of Print. (Source: The American Naturalist)
Source: The American Naturalist - September 7, 2023 Category: Zoology Authors: Deepa Agashe Mrudula Sane Shivansh Singhal Source Type: research
Antitumor mechanism of Saikosaponin A in the Xiaoying Sanjie Decoction for treatment of anaplastic thyroid cancer by network pharmacology analysis and experiments in vitro and in vivo
In this study, we aimed at elucidating the antitumor mechanism of the active compound and identifying the kernel molecular mechanisms of XYSJD against ATC. Firstly, the main chemical constituents of XYSJD were identified by ultra-high performance liquid chromatography-quadrupole time-of-flight mass spectrometry (UPLC-QTOF-MS). Then we used network pharmacology and ClusterONE algorithm to analyze the possible targets and pathways of the prescription and active compound Saikosaponin A (SSA). Seven core targets, including P2RY12, PDK1, PPP1CC, PPP2CA, TBK1, ITGB1 and ITGB6, which may be involved in the anti-tumor activity of ...
Source: Fitoterapia - September 6, 2023 Category: Biochemistry Authors: Xiaokun Ma Miao Zhang Wei Xia Yanan Song Source Type: research
Antitumor mechanism of Saikosaponin A in the Xiaoying Sanjie Decoction for treatment of anaplastic thyroid cancer by network pharmacology analysis and experiments in vitro and in vivo
In this study, we aimed at elucidating the antitumor mechanism of the active compound and identifying the kernel molecular mechanisms of XYSJD against ATC. Firstly, the main chemical constituents of XYSJD were identified by ultra-high performance liquid chromatography-quadrupole time-of-flight mass spectrometry (UPLC-QTOF-MS). Then we used network pharmacology and ClusterONE algorithm to analyze the possible targets and pathways of the prescription and active compound Saikosaponin A (SSA). Seven core targets, including P2RY12, PDK1, PPP1CC, PPP2CA, TBK1, ITGB1 and ITGB6, which may be involved in the anti-tumor activity of ...
Source: Fitoterapia - September 6, 2023 Category: Biochemistry Authors: Xiaokun Ma Miao Zhang Wei Xia Yanan Song Source Type: research
Should beetles be named after Adolf Hitler?
In 1934, a German paleontologist named a giant flying insect from the Carboniferous period
Rochlingia hitleri
, after Adolf Hitler, who had just taken power in Germany, and Hermann Röchling, an anti-semitic steel manufacturer and member of the Nazi Party. Three years later, an Austrian amateur entomologist named a
brown, eyeless beetle
from Slovenian caves
Anophthalmus hitleri
because he admired Hitler. In recent years, neo-Nazis have reportedly paid thousands for specimens,
pushing the beetle toward extinction
.
Some researchers have
argued for years
that
A. hi...
Source: Science of Aging Knowledge Environment - September 5, 2023 Category: Geriatrics Source Type: research
Grouping rule in tadpole: is quantity more or size assortment more important?
In this study, I examined the responses of Miyako toad (Bufo gargarizans miyakonis) tadpoles to number quantity and size discrimination by choice tests at different ontogenetic stages (small, medium, and large). The results revealed that small-sized tadpoles in early developmental stages significantly preferred larger numbers (4) compared to smaller ones (1). However, this preference was not observed in later developmental stages (medium and large). And interestingly, when there was no quantity bias, size discrimination was not observed in tadpoles, irrespective of their ontogeny. These findings suggest that Miyako toad ta...
Source: Animal Cognition - September 5, 2023 Category: Zoology Authors: Kazuko Hase Source Type: research
Grouping rule in tadpole: is quantity more or size assortment more important?
In this study, I examined the responses of Miyako toad (Bufo gargarizans miyakonis) tadpoles to number quantity and size discrimination by choice tests at different ontogenetic stages (small, medium, and large). The results revealed that small-sized tadpoles in early developmental stages significantly preferred larger numbers (4) compared to smaller ones (1). However, this preference was not observed in later developmental stages (medium and large). And interestingly, when there was no quantity bias, size discrimination was not observed in tadpoles, irrespective of their ontogeny. These findings suggest that Miyako toad ta...
Source: Animal Cognition - September 5, 2023 Category: Zoology Authors: Kazuko Hase Source Type: research
Microbial colonization dynamics of the postnatal digestive tract of Bos indicus calves
AbstractThe rumen and the jejunum of calves have distinct functional roles; the former is in the storage and fermentation of feed, and the latter is in transporting digesta to the ileum. It is unknown how nutrition changes the evolution of the microbiome of these organs after birth. We sequenced and characterized the entire microbiome of the rumen and the jejunum fromBos indicus calves of the Mexican Tropics to study their dynamics at Days 0, 7, 28, and 42 after birth. Operational taxonomic units (OTUs) belonging to 185 and 222 genera from 15 phylum were observed in the organs, respectively. The most abundant OTUs were Pro...
Source: Animal Science Journal - September 5, 2023 Category: Zoology Authors: Carolina Robles ‐Rodríguez,
Vijaykumar Yogesh Muley,
María Laura González‐Dávalos,
Armando Shimada,
Alfredo Varela‐Echavarría,
Ofelia Mora Tags: RESEARCH ARTICLE Source Type: research
Rabbits (Oryctolagus cuniculus) increase caecal calcium absorption at increasing dietary calcium levels
AbstractHindgut fermenting herbivores from different vertebrate taxa, including tortoises, and among mammals some afrotheria, perissodactyla incl. equids, several rodents as well as lagomorphs absorb more calcium (Ca) from the digesta than they require, and excrete the surplus via urine. Both proximate and ultimate causes are elusive. It was suggested that this mechanism might ensure phosphorus availability for the hindgut microbiome by removing potentially complex-building Ca from the digesta. Here we use Ussing chamber experiments to show that rabbits (Oryctolagus cuniculus) maintained on four different diets (six animal...
Source: Journal of Animal Physiology and Animal Nutrition - September 5, 2023 Category: Zoology Authors: Annette Liesegang,
Bettina Burger,
Th érèse Vries de Heekelingen,
Corinne Schroeter‐Vogt,
Jean‐Michel Hatt,
Mariusz P. Kowalewski,
Marcus Clauss Tags: ORIGINAL ARTICLE Source Type: research
