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Reproduction in Domestic Animals

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https://read.qxmd.com/read/31099063/protective-influence-of-rosiglitazone-against-time-dependent-deterioration-of-boar-spermatozoa-preserved-at-17-%C3%A2
#1
Na Wang, Kang Yang, Hai-Tao Guo, Jing-Ran Wang, Huan-Huan Sun, Shun-Wei Wang, Meng Sun, Liang-Zheng Sun, Shun-Li Yue, Jia-Bo Zhou
Spermatozoa are highly specialized cells and energy metabolism plays an important role in modulating sperm viability and function. Rosiglitazone is an anti-diabetic drug in the thiazolidinedione class that regulates metabolic flexibility and glucose uptake in various cell types, but its effects on boar sperm metabolism are unknown. In this study, we investigated the potential effect of rosiglitazone against time-dependent deterioration of boar spermatozoa during liquid preservation at 17 ℃. Freshly ejaculated semen was diluted with Beltsville Thawing Solution (BTS) containing different concentrations of rosiglitazone and the motility, membrane and acrosome integrity of sperm were detected...
May 17, 2019: Reproduction in Domestic Animals
https://read.qxmd.com/read/31095788/concentrations-of-minerals-in-the-canine-prostatic-fluid
#2
Anne-Kathrin Umbach, Klaus Failing, Sandra Goericke-Pesch, Axel Wehrend
Current knowledge about the composition of the prostate fluid in healthy male dogs is limited and restricted to small case numbers. Furthermore published data often vary significantly regarding sample processing and analytical methods. Therefore, we aimed to provide data on the composition of electrolytes and minerals in the canine prostatic fluid in a larger population (n=30 dogs/samples) and to compare these results with the existing literature. Concentrations of sodium, potassium and copper analysed in our population were most consistent with those in the literature...
May 16, 2019: Reproduction in Domestic Animals
https://read.qxmd.com/read/31095778/effect-of-estrus-resynchronization-on-the-reproductive-efficiency-of-zebu-cows
#3
Nilson Shonholzer Faleiro, Kedson Alessandri Lobo Neves, Luciano Leite Pereira, Cleidson Manoel Gomes da Silva, William Gomes Vale, Antonio Humberto Hamad Minervino
The aim of this study was to develop a resynchronization strategy before the return of estrus in cows diagnosed as not pregnant after fixed-time artificial insemination (TAI). A total of 839 cows, approximately 45 days postpartum, were synchronized using TAI. On day 0, intravaginal progesterone-releasing devices were inserted and 2 mg of estradiol benzoate was administered. Eight days later (D8), the progesterone-releasing devices were removed and estradiol cypionate (0.5 mg, eCG (300 IU)) and prostaglandin (7...
May 16, 2019: Reproduction in Domestic Animals
https://read.qxmd.com/read/31087697/the-effect-of-bpv-hopic-on-in-vitro-activation-of-primordial-follicles-in-cultured-swine-ovarian-cortical-strips
#4
Natalie Raffel, Katrin Klemm, Ralf Dittrich, Inge Hoffmann, Stefan Söder, Matthias W Beckmann, Laura Lotz
The vanadate-derivative dipotassium bisperoxo (5-hydroxy-pyridine-2-carboxylic) oxovanadate (V) (bpV(HOpic)), a pharmacological inhibitor of phosphatase and tensin homolog (PTEN), has been used in ovarian follicle culture systems for activation of follicular growth in vitro and suggested to be responsible for primordial follicle survival through indirect Akt activation. For pig ovarian tissue, it is still not clear which culture medium needs to be used, as well as which factors and hormones could influence follicular development; this also applies to bpV(HOpic) exposure...
May 14, 2019: Reproduction in Domestic Animals
https://read.qxmd.com/read/31077469/combined-micrornaome-and-transcriptome-analysis-of-follicular-phase-and-luteal-phase-in-porcine-ovaries
#5
Xiaodong Zhang, Liang Zhang, Jinnan Shang, Qiangqiang Tao, Mi Tian, Yingchun Ma, Yiliang Xu, Yueyun Ding, Rong Zhou, Kui Li, Zongjun Yin
The aim of this study was to explore the expression difference of miRNAs and mRNAs between the follicular phase (FP) and luteal phase (LP) in porcine ovaries and provide a theoretical basis for the research on mammalian reproductive regulation. RNA-Seq and miRNA-Seq were used to identify differentially expressed genes (DEGs) and miRNAs (DEMs) between the FP and LP in ovaries of six sows (3-year-old Yorkshire pigs with similar weights and same parities). Bioinformatic analysis was used to screen potential genes and miRNAs related to porcine ovarian function...
May 11, 2019: Reproduction in Domestic Animals
https://read.qxmd.com/read/31077461/heritability-estimates-and-genetic-correlations-of-various-production-and-reproductive-traits-of-different-grades-of-dairy-cattle-reared-under-subtropical-condition
#6
Ilyas Ali, Syed Muhammad Suhail, Muhammad Shafiq
Inheritance of economic traits and their genetic correlation was studied in different breeds and their various grades (crossbred's cattle) under the subtropical condition. Data on principal parameters comprising 10 years i.e. 2004-2014 were utilized for the present study. Different grades of dairy cows comprising Holstein Friesian (HF), Sahiwal x Friesian (SxHF), Jersey (J), Jersey x Achai (JxAC) and Achai (AC) were included in the study. Heritability estimates and genetic correlations of some important productive and reproductive traits were worked out...
May 11, 2019: Reproduction in Domestic Animals
https://read.qxmd.com/read/31077452/effects-of-cooling-rates-on-the-quality-of-prochilodus-lineatus-valenciennes-1836-sperm
#7
Daniella Aparecida de Jesus Paula, Luis David Solis Murgas, Tássia Flávia Dias Castro, Isadora de Lima Assis, Rafael Vilhena Reis Neto, Silvana Marcussi
This study aims to investigate the effect of different cooling rates on the semen cryopreservation of curimba (Prochilodus lineatus). Nineteen ejaculates were obtained from adults males and cryopreserved at 15°C min-1 (CR15), 30°C min-1 (CR30) (controlled temperature inside and outside straw, speed was stable during freezing) and direct freezing in liquid nitrogen vapor (~ 35.6°C min-1 ) (CRNV). The straws were thawed and seminal parameters evaluated. DNA fragmentation through the Comet Assay was assessed...
May 11, 2019: Reproduction in Domestic Animals
https://read.qxmd.com/read/31066470/acupuncture-prevents-the-postpartum-reduction-in-matrix-metalloproteinase-type-2-immunoexpression-tissue-concentration-and-enzyme-activity-in-bovine-caruncles
#8
Katrina Hiebel, Lauren Gentle, Alfred Menino, Michelle Kutzler
The objectives of this study were to determine the effects of acupuncture in dairy cows (Bos taurus) on caruncular matrix metalloproteinase type-2 (MMP2) at 0, 2, and 4 hours after calving. Acupuncture (n=6) was applied at 0 and 2 hours after calving to 6 points that relax the cervix and stimulate uterine contractions. Controls (n=9) were kept in a stanchion for 15 minutes without acupuncture. All of the cows in the study delivered their placenta in less than 4 hours. Formalin-fixed caruncles were paraffin embedded and subjected to routine immunohistochemistry to determine MMP2 expression, which was scored by a single observer...
May 8, 2019: Reproduction in Domestic Animals
https://read.qxmd.com/read/31059204/macroscopic-evaluation-of-the-placenta-of-the-alpaca-vicugna-pacos
#9
Maya Meesters, Geert Opsomer, Jan Govaere
Macroscopic evaluation of the placenta is an essential postpartum examination in the alpaca and can be of special interest in case of abortion, premature- or stillbirth. Since there are not many reference values regarding macroscopic properties of normal alpaca placentas, a small descriptive study was conducted. Only placentae from normally foaling alpaca mares, giving birth to healthy crias, after a full-term and uneventful gestation (± 350 days; range 335-360 days) were taken into account (N = 11). Crias weighed (± SD) 7...
May 6, 2019: Reproduction in Domestic Animals
https://read.qxmd.com/read/31058368/evaluation-of-different-hormonal-treatments-on-oestral-and-ovarian-responses-in-moroccan-beni-arouss-goats-during-anoestrus-and-breeding-season
#10
Sara El Kadili, Marianne Raes, Jean-Loup Bister, Jean-François Beckers, Gaston Amzati, Bouchaib Archa, Mouad Chentouf, Nathalie Kirschvink
The efficacy of eight combinations of fluorogestone acetate (FGA, 20 or 40 mg as intravaginal device during 11 days), equine chorionic gonadotropin (eCG, 300 or 500 UI injected 48 hours before FGA removal) and prostaglandin F2α (cloprostenol, 0 or 50 μg injected 48h before FGA removal) aiming at induction and synchronization of oestrus and ovulation was evaluated during the anoestrus season in spring and during the breeding season in autumn in adult Beni Arouss goats. Oestrus behaviour was recorded between 12 and 60 hours after FGA removal...
May 6, 2019: Reproduction in Domestic Animals
https://read.qxmd.com/read/31054194/effect-of-environmental-factors-and-changes-in-the-body-condition-score-on-the-onset-of-the-breeding-season-in-mares
#11
Pouya Dini, Kaatje Ducheyne, Isabel Lemahieu, Wendy Wambacq, Hilde Vandaele, Peter Daels
Several methods have been proposed to advance the onset of the breeding season in horses. Most of them are based on the exposure to an artificial lighting period combined with hormonal treatments. Mares exposed to an artificial photoperiod are most often housed indoors where the ambient temperature is often higher than the outside temperature. Mares held in barns are also exposed to different daylight intensities than horses kept outside, depending on the architecture. In the current study, we evaluated the impact of ambient temperature, daylight intensity and changes in body condition score (BCS) on the timing of first ovulation after winter anestrus in mares exposed to an artificial photoperiod...
May 3, 2019: Reproduction in Domestic Animals
https://read.qxmd.com/read/31050839/immunohistochemical-and-qpcr-determination-of-the-expression-and-serum-level-of-amh-in-prepubertal-intact-and-ors-detected-bitches
#12
Kubra Karakas Alkan, Ahmet Ceylan, Hasan Alkan, Dogukan Ozen, Alev Gurol Bayraktaroglu, Mustafa Kaymaz
The aim of this study was to determine the serum concentrations, ovarian presence and expression of AMH (Anti-Müllerian Hormone) in prepubertal, bitches with signs of ORS (Ovarian Remnant Syndrome) and intact bitches. In addition, we aimed to verify the suitability of serum AMH concentrations for diagnostic purposes in sterilized bitches and/or in suspected cases of ORS in the field of veterinary medicine. For this purpose, 36 healthy female dogs divided into six groups: proestrus, estrus, diestrus, anestrus, prepubertal and ORS...
May 3, 2019: Reproduction in Domestic Animals
https://read.qxmd.com/read/31025395/association-of-rbp-4-gene-polymorphisms-with-follicular-cysts-in-large-white-sows
#13
Fengge Wang, Lu Chen, Shuxiong Chen, Liang Deng, Meng Tian, Biaobiao Zheng, Chunjin Li, Xu Zhou
Follicular cysts, which are a common infertility disease, can cause financial losses in pig breeding programs. The pathogenesis and mechanisms of the formation of follicular cysts are not understood clearly. In our previous study, the concentration of retinol-binding protein 4 (RBP-4) in the follicular fluid (FF) of the ovary with follicular cysts was found to be significantly higher than that of normal ovary, thereby suggesting that RBP-4 may be a candidate biomarker for porcine follicular cysts. To study the association of RBP-4 and follicular cysts further, we detected the polymorphisms of the RBP-4 gene and the presence of follicular cysts by PCR-RFLP assay...
April 26, 2019: Reproduction in Domestic Animals
https://read.qxmd.com/read/31006155/the-timeline-development-of-female-canine-germ-cells
#14
Aline F de Souza, Eloise C de Ramos, Fabio S Cury, Naira Caroline G Pieri, Daniele S Martins
During the sex differentiation, the primordial germ cells (PGCs) pass through a differentiation, becoming spermatogonial cells in males and oocytes in females. In this phase, there are difference in gene expression and differentiation potency between males and females. Specific cells markers has been essential in the PGCs meiosis beginning and become oocyte cells. However, there are few studies about germline in domestic animals. The domestic dog (Canis lupus familiaris) is an interesting animal model to be used in the investigation about the mammals development because it has several biochemical and physiological similarities to human...
April 21, 2019: Reproduction in Domestic Animals
https://read.qxmd.com/read/31006148/organic-or-conventional-dairy-farming-in-northern-spain-impacts-on-cow-reproductive-performance
#15
Ruth Rodríguez-Bermúdez, Ramiro Fouz, Marta Miranda, Inmaculada Orjales, Antonio Humberto Hamad Minervino, Marta López-Alonso
Organic farming has traditionally given preference to indigenous breeds that are well adapted to local conditions; however, current trends towards increased yields may produce less robust animals with potentially low fertility. The Holstein-Friesian breed dominates dairy sector, although there is a general concern that these cows may not be well adapted to organic systems. This study aims to evaluate the reproductive performance of organic dairy herds in northern Spain, by comparing organically-reared Holstein-Friesian with their counterparts reared on conventional farms and also with other organically reared breeds and crosses...
April 21, 2019: Reproduction in Domestic Animals
https://read.qxmd.com/read/31004539/intrafollicular-paraoxonase-1-activity-and-the-steroidogenic-potential-of-the-first-postpartum-dominant-follicle-in-dairy-cows
#16
José Victor Vieira Isola, Diego Andres Velasco Acosta, Carolina Bespalhok Jacometo, Joao Alveiro Alvarado Rincón, Pedro Augusto Silva Silveira, Marcio Nunes Corrêa, Augusto Schneider
Cows experiencing high levels of inflammation and specific metabolic conditions tend to have slower follicular growth and lower serum and follicular concentrations of estradiol (E2). Paraoxonase1 (PON1) activity decreases during inflammatory processes. Therefore, the aim of this study was to evaluate the association between serum and intrafollicular (FF) PON1 activity and the serum and intrafollicular levels of E2 and progesterone (P4), as well as the mRNA expression of genes related to sterodoigenesis, metabolism and inflammation in the first postpartum dominant follicle of Holstein cows...
April 20, 2019: Reproduction in Domestic Animals
https://read.qxmd.com/read/31004535/urocortinergic-system-in-the-epididymis-of-the-normal-and-cryptorchid-dogs
#17
Caterina Squillacioti, Alessandra Pelagalli, Adriana De Luca, Giovanna Liguori, Sabrina Ali, Nicola Mirabella
Cryptorchidism is associated with changes in the gonads and the spermatic duct system, which may cause infertility problems. Urocortin (UCN) is a corticotrophin-releasing hormone (CRH)-related peptide, which affects several functions of male genital organs. The aim of the present study was to investigate the expression of UCN and its receptors CRHR1 and CRHR2 using immunohistochemistry, western blotting, and real-time reverse transcription polymerase chain reaction in tissues collected from the epididymis of normal and cryptorchid dogs...
April 20, 2019: Reproduction in Domestic Animals
https://read.qxmd.com/read/31002198/the-comparison-of-reproductive-hormone-receptor-expressions-of-the-sheep-ovary-and-hormone-concentrations-in-two-chinese-breeds
#18
Liangyuan Li, Shouliang Lu, Qiman Ma, Wan Pengcheng, Changbin Liu, Hanyulu Yang, Hua Yang, Yonglin Yang, Rong Dai, Guoqing Shi
The aim of this research was to investigate the changes of reproductive hormone receptor expressions of the ovary and hormone concentrations between estrous cycle pattern of two different sheep breeds in China. Ovarian tissues were collected from Chinese Merino (Junken type) and Hu sheep with different reproductive states in spring and autumn. Serum samples were assayed for estrogen (E2), progesterone (P), luteinizing hormone (LH) and follicle-stimulating hormone (FSH) concentrations by radioimmunoassay during spring...
April 19, 2019: Reproduction in Domestic Animals
https://read.qxmd.com/read/30980565/morphological-indices-for-canine-spermatozoa-based-on-the-world-health-organization-laboratory-manual-for-human-semen
#19
Maria Giorgia Morselli, Martina Colombo, Massimo Faustini, Gaia Cecilia Luvoni
Attempting to contribute to the development of a more objective morphological evaluation of dog spermatozoa, in this study the indices of multiple sperm defects (multiple abnormalities index, MAI; teratozoospermic index, TZI; sperm deformity index, SDI) were calculated following the World Health Organization (WHO) guidelines. In Exp. I, the concordance of MAI, TZI and SDI with the proportions of morphologically normal spermatozoa (MNS) was evaluated in fresh ejaculated spermatozoa (dogs=47). In Exp. II, the potential role of indices as prognostic values was assessed in spermatozoa of different origin and treatment (fresh ejaculated: n=6; fresh epididymal: n=6; frozen-thawed ejaculated: n=6) by their correlation with different semen parameters (motility, membrane integrity and acrosome status) and with an in vitro sperm function test...
April 13, 2019: Reproduction in Domestic Animals
https://read.qxmd.com/read/30974484/clinical-approach-to-prostatic-diseases-in-the-dog
#20
REVIEW
Marco Cunto, Elisa Mariani, Eleonora Anicito Guido, Giulia Ballotta, Daniele Zambelli
In small animal practice, prostatic diseases are increasingly encountered. All dogs may experience prostatic disease, but particular care should be addressed to breeding dogs, in which prostatic affection may lead to decrease in semen quality and fertility. The most common prostatic disease is the benign prostatic hyperplasia (BPH) followed by prostatitis, prostatic neoplasia and prostate squamous metaplasia. These diseases do not have pathognomonic symptoms, therefore, making a correct diagnosis may not be easy...
April 11, 2019: Reproduction in Domestic Animals
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