Clinical theriogenology最新文献

What has embryo recovery and transfer taught us about equine reproductive physiology? 胚胎复苏和移植让我们了解了什么是马的生殖生理学？

Clinical theriogenology Pub Date : 2024-07-22 DOI: 10.58292/ct.v16.10602

Sandra Wilsher, Maarten Hoogewijs

引用次数: 0

Laparoscopic artificial insemination of white-tailed deer with fresh sex-sorted semen 用新鲜性别分类精液对白尾鹿进行腹腔镜人工授精

Clinical theriogenology Pub Date : 2024-07-22 DOI: 10.58292/ct.v16.10513

Nicole Sugai, Clifford Shipley, Lindsey Rothrock-Gensler, Robyn Ellerbrock, Jamie Stewart

引用次数: 0

Role of trace minerals in bull reproductive physiology and semen quality 微量元素在公牛生殖生理和精液质量中的作用

Clinical theriogenology Pub Date : 2024-05-20 DOI: 10.58292/ct.v16.10351

Maria Ferrer, Roberto Palomares, Juan Maldonadox-Estrada

引用次数: 0

Vaginal lipoma with cervicovaginal and rectal prolapse in a cow 一头母牛的阴道脂肪瘤伴有宫颈阴道和直肠脱垂

Clinical theriogenology Pub Date : 2024-05-08 DOI: 10.58292/ct.v16.10269

Eduardo Prado, Tulio Prado, Elizabeth Whitt, Alison Bradley, P. Mulon

引用次数: 0

Diagnosis of clinical cervicitis and vaginitis in dairy cows in relation to various postpartum uterine disorders 诊断奶牛临床宫颈炎和阴道炎与各种产后子宫疾病的关系

Clinical theriogenology Pub Date : 2024-05-06 DOI: 10.58292/ct.v16.10309

Ali Bazzazan, D. Vallejo-Timarán, Juan Maldonado-Estrada, Mariela Segura, Réjean Lefebvre

{"title":"Diagnosis of clinical cervicitis and vaginitis in dairy cows in relation to various postpartum uterine disorders","authors":"Ali Bazzazan, D. Vallejo-Timarán, Juan Maldonado-Estrada, Mariela Segura, Réjean Lefebvre","doi":"10.58292/ct.v16.10309","DOIUrl":"https://doi.org/10.58292/ct.v16.10309","url":null,"abstract":"There is poor agreement between clinical findings and results of diagnostic tests in postpartum uterine diseases that may be explained at least in part by the presence of inflammation and infection at sites other than the endometrium. It was hypothesized that clinical cervicitis and vaginitis are components of reproductive tract inflammatory disorders in postpartum dairy cows. A total of 61 postpartum dairy cows were enrolled in a nested case-control design. Periparturient disease occurrence in weeks 1 (1w), 3 (3w), and 5 (5w) postpartum were recorded. Clinical cervicitis was diagnosed in 36.0, 40.1, and 31.1% of cows in 1w, 3w, and 5w postpartum, respectively. Approximately 64% of cows with clinical endometritis in 5w postpartum also had clinical cervicitis (p ≤ 0.05). Prevalence of clinical and cytological vaginitis was 0% in 5w postpartum. Average days open: 110 for healthy cows and 117 for cows with clinical cervicitis (p ≤ 0.001), 145 for cows with clinical cervicitis and clinical endometritis (p < 0.005), and 199 for cows with clinical cervicitis and cytological endometritis (p < 0.001). Contrary to vaginitis, high prevalence of clinical cervicitis and its association with clinical endometritis and longer average days open suggested a substantial role of the condition in postpartum uterine diseases.","PeriodicalId":93421,"journal":{"name":"Clinical theriogenology","volume":"357 8","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141006804","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Modified partial posthectomy surgery for chronic preputial prolapse in a Bos indicus bull 改良的部分切除术后手术治疗公牛慢性阴茎前脱垂

Clinical theriogenology Pub Date : 2024-05-06 DOI: 10.58292/ct.v16.10415

Rory Nevard, Marco Lopes, Heidi Lehmann, Chris Quinn, Cassandra MacDonald

{"title":"Modified partial posthectomy surgery for chronic preputial prolapse in a Bos indicus bull","authors":"Rory Nevard, Marco Lopes, Heidi Lehmann, Chris Quinn, Cassandra MacDonald","doi":"10.58292/ct.v16.10415","DOIUrl":"https://doi.org/10.58292/ct.v16.10415","url":null,"abstract":"Preputial prolapses in bulls are frequently encountered by bovine reproductive practitioners and are common physical conditions impairing a bull’s ability to copulate. Marked chronicity or unsuccessful medical management warrant surgical correction. Preputial resection/circumcision (also known as ‘reefing procedure’) or preputial amputation are 2 well-documented procedures performed to restore penile function. It is widely believed that preputial resection is considered superior to amputation, as with the latter procedure, strictures and wound contracture stenosis are common reported sequelae. Therefore, surgery should aim at preserving tissue and resolving the prolapse without interference to complete penile extension. We adapted novel surgical features in a bull with a chronically prolapsed prepuce: an updated preputial amputation technique (i.e. modified posthectomy) and used a single-layer closure pattern with rapidly absorbable suture (not reported for bulls). There was total resolution and bull returned to service. This case illustrated that severe and chronically prolapsed prepuces can be successfully repaired using this updated modification of a historical technique.","PeriodicalId":93421,"journal":{"name":"Clinical theriogenology","volume":"29 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141007316","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Genomic selection in dairy cattle: impact and contribution to the improvement of bovine fertility 奶牛基因组选择：对提高牛繁殖力的影响和贡献

Clinical theriogenology Pub Date : 2024-03-14 DOI: 10.58292/ct.v16.10399

Kent Weigel, Agustin Chasco, H. Pacheco, Anil Sigdel, Fiona Guinan, Megan Lauber, Paul Fricke, Francisco Peñagaricano

{"title":"Genomic selection in dairy cattle: impact and contribution to the improvement of bovine fertility","authors":"Kent Weigel, Agustin Chasco, H. Pacheco, Anil Sigdel, Fiona Guinan, Megan Lauber, Paul Fricke, Francisco Peñagaricano","doi":"10.58292/ct.v16.10399","DOIUrl":"https://doi.org/10.58292/ct.v16.10399","url":null,"abstract":"Genomic selection has revolutionized the dairy cattle breeding industry, with ripple effects that have greatly impacted dairy herd management. Rate of genetic progress has increased markedly, especially in Holstein and Jersey breeds, for production, health, and fertility traits. Genomic testing of young bulls and heifers provides greater accuracy of selection decisions involving traditional fertility traits, such as daughter pregnancy rate, while creating the opportunity to improve novel traits, such as fetal loss. Cameras, wearable sensors, and other precision livestock farming technologies will allow selection for traits such as estrus duration and intensity that require high frequency phenotyping. At the same time, synergies between genomic testing and advanced reproductive technologies have led to rapid and widespread adoption of sexed semen, coupled with mating of females whose offspring are not needed as herd replacements to beef sires. This strategy produces added-value crossbred calves for the beef supply chain, while allowing genetically inferior mature cows that are still producing at a high level to remain in the herd for additional lactations.","PeriodicalId":93421,"journal":{"name":"Clinical theriogenology","volume":"6 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140242968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Congenital hydrocephalus in a stillborn Haflinger foal 一匹死产哈夫林格马驹的先天性脑积水

Clinical theriogenology Pub Date : 2024-03-14 DOI: 10.58292/ct.v16.10452

G. McRae, Marco Coutinho da Silva, E. Runcan, Joanna Koilpillai, Christopher Premanandan

引用次数: 0

Modified diff-quick staining for canine sperm morphology 犬精子形态的改良差速染色法

Clinical theriogenology Pub Date : 2024-02-16 DOI: 10.58292/ct.v16.10243

Mariana P Mazzuchini, Guilherme Novello, Lorenzo Segabinazzi

{"title":"Modified diff-quick staining for canine sperm morphology","authors":"Mariana P Mazzuchini, Guilherme Novello, Lorenzo Segabinazzi","doi":"10.58292/ct.v16.10243","DOIUrl":"https://doi.org/10.58292/ct.v16.10243","url":null,"abstract":"Sperm morphology assessment requires specialized microscopes or stains. Diff-quick (DQ) is considered a universal stain that is cost-effective; however, morphological evaluation of sperm using DQ staining is poor and not encouraging. Therefore, this study investigated modifications to the DQ protocol to improve identification of morphological defects of dog sperm and compared the modified DQ techniques with eosin-nigrosin, Karras, and differential interference contrast microscopy [DIC]). One ejaculate from each of 9 dogs was used. To perform the proposed modified DQ techniques (DQ1 and DQ2), dried semen smears were fixed by immersing for 10 seconds in solution 1 of DQ and 5 minutes each in solutions II and III of the kit. After the third stain solution, slides in DQ1 were rinsed in water whereas slides in DQ2 were not rinsed but were vertically supported to facilitate stain drainage. Results suggested that the standard DQ protocol overestimated normal sperm and detached heads whereas underestimated abnormal heads and total defects compared to DIC, Karras, eosin-nigrosin, and DQ2. Acrosome abnormalities were only detectable with Karras, DIC, and DQ2. In conclusion, prolonging exposure to DQ staining solutions enhanced sensitivity in sperm morphological evaluation, and avoiding rinse as a final step in the DQ protocol improved visualization of certain acrosome defects in dog sperm. Therefore, modified DQ techniques can serve as a viable alternative for dog sperm morphology evaluation in clinical practice.","PeriodicalId":93421,"journal":{"name":"Clinical theriogenology","volume":"37 12","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139961857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Amorphus globosus Amorphus globosus

Clinical theriogenology Pub Date : 2024-02-16 DOI: 10.58292/ct.v16.10328

Kaylin McNulty, Michael Jaffe, Joanne Yi

引用次数: 0