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C G Hart, B E Voelz, K E Brockus, C O Lemley
Production from the corpus luteum (CL) and/or hepatic steroid inactivation impacts peripheral concentrations of P4, which can alter reproductive performance. Our primary objective was to examine hepatic steroid inactivating enzymes, portal blood flow, and luteal blood perfusion at 10 days post-insemination in pregnant versus non-pregnant beef and dairy cows. Twenty early lactation Holstein cows and 20 lactating commercial beef cows were utilized for this study. At day 10 post-insemination, hepatic portal blood flow and CL blood perfusion were measured via Doppler ultrasonography...
March 14, 2018: Reproduction in Domestic Animals, Zuchthygiene
Shuping Yang, Xin Li, Xinfeng Liu, Xiangbin Ding, Xiangbo Xin, Congfei Jin, Sheng Zhang, Guangpeng Li, Hong Guo
MSTN -encoded myostatin is a negative regulator of skeletal muscle development. Here, we utilized the gluteus tissues from MSTN gene editing and wild type Luxi beef cattle which are native breed of cattle in China, performed tandem mass tag (TMT) -based comparative proteomics and phosphoproteomics analyses to investigate the regulatory mechanism of MSTN related to cellular metabolism and signaling pathway in muscle development. Out of 1,315 proteins, 69 differentially expressed proteins (DEPs) were found in global proteomics analysis...
February 16, 2018: Oncotarget
Li Zheng, Gui-Min Zhang, Yan-Peng Dong, Yi-Fan Wen, Dong Dong, Chu-Zhao Lei, Xing-Lei Qi, Hong Chen, Li-Jun Huo, Yong-Zhen Huang
As a member of MYLK family, MYLK4 gene may play a vital role in muscle development. In this study, one novel single-nucleotide polymorphism (SNP) was identified the bovine MYLK4 by sequencing pooled DNA samples (pool-Seq) and forced polymerase chain reaction-restriction fragment length polymorphism (forced PCR-RFLP) methods. Overall, we reported one mutation (SNP1) in the intron 10 region within the bovine MYLK4 gene in 559 individuals representing five main cattle breeds from China (Nanyang, NY; Qinchuan; Jiaxian, JX; Pinan cattle; and Caidamu cattle, CDM)...
March 14, 2018: Animal Biotechnology
Cristiana Maurella, Silvia Gallina, Giuseppe Ru, Daniela Adriano, Alberto Bellio, Daniela Manila Bianchi, Laura Chiavacci, Maria Ines Crescio, Margherita Croce, Valeria D'Errico, Maria Franca Dupont, Alessandro Marra, Ubaldo Natangelo, Francesco Pomilio, Angelo Romano, Stefano Stanzione, Teresa Zaccaria, Fabio Zuccon, Maria Caramelli, Lucia Decastelli
In May 2016, two separate clusters of febrile gastroenteritis caused by Listeria monocytogenes were detected by the local health authority in Piedmont, in northern Italy. We carried out epidemiological, microbiological and traceback investigations to identify the source. The people affected were students and staff members from two different schools in two different villages located in the Province of Turin; five of them were hospitalised. The epidemiological investigation identified a cooked beef ham served at the school canteens as the source of the food-borne outbreak...
March 2018: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
Anusorn Cherdthong, Benjamad Khonkhaeng, Anuthida Seankamsorn, Chanadol Supapong, Metha Wanapat, Nirawan Gunun, Pongsatron Gunun, Pin Chanjula, Sineenart Polyorach
The objective of this research was to evaluate the effect of feeding fresh cassava root (CR) along with a feed block containing high was to sulfur (FBS) on feed intake, digestibility, rumen fermentation, and blood thiocyanate concentration in Thai native beef cattle. Four Thai male native beef cattle, initial body weight (BW) of 130 + 20.0 kg, were used in this study. The experiments were randomly assigned according to a 2 × 2 factorial arrangement in a 4 × 4 Latin square design. The main factors were supplemented fresh CR levels (1...
March 14, 2018: Tropical Animal Health and Production
Dinh Bao Truong, Flavie Luce Goutard, Stéphane Bertagnoli, Alexis Delabouglise, Vladimir Grosbois, Marisa Peyre
This study aimed to analyze the financial impact of foot-and-mouth disease (FMD) outbreaks in cattle at the farm-level and the benefit-cost ratio (BCR) of biannual vaccination strategy to prevent and eradicate FMD for cattle in South Vietnam. Production data were collected from 49 small-scale dairy farms, 15 large-scale dairy farms, and 249 beef farms of Long An and Tay Ninh province using a questionaire. Financial data of FMD impacts were collected using participatory tools in 37 villages of Long An province...
2018: Frontiers in Veterinary Science
Eduardo Casas, Guohong Cai, Larry A Kuehn, Karen B Register, Tara G McDaneld, John D Neill
BACKGROUND: High throughput sequencing allows identification of small non-coding RNAs. Transfer RNA Fragments are a class of small non-coding RNAs, and have been identified as being involved in inhibition of gene expression. Given their role, it is possible they may be involved in mediating the infection-induced defense response in the host. Therefore, the objective of this study was to identify 5' transfer RNA fragments (tRF5s) associated with a serum antibody response to M. bovis in beef cattle...
March 13, 2018: BMC Veterinary Research
Diego Moreno-Pérez, Carlo Bressa, María Bailén, Safa Hamed-Bousdar, Fernando Naclerio, Manuel Carmona, Margarita Pérez, Rocío González-Soltero, Maria Gregoria Montalvo-Lominchar, Claudia Carabaña, Mar Larrosa
Nutritional supplements are popular among athletes to improve performance and physical recovery. Protein supplements fulfill this function by improving performance and increasing muscle mass; however, their effect on other organs or systems is less well known. Diet alterations can induce gut microbiota imbalance, with beneficial or deleterious consequences for the host. To test this, we performed a randomized pilot study in cross-country runners whose diets were complemented with a protein supplement (whey isolate and beef hydrolysate) ( n = 12) or maltodextrin (control) ( n = 12) for 10 weeks...
March 10, 2018: Nutrients
Z K Smith, A J Thompson, J P Hutcheson, W T Nichols, B J Johnson
Crossbred beef steers (n = 240; 12 pens/treatment; initial BW = 305 ± 17.7 kg) were used in a randomized block design feedlot study to evaluate the influence of coated trenbolone acetate (TBA) and estradiol-17β (E2) implants (Merck Animal Health, Madison, NJ) on gain performance, carcass traits, and sera metabolites. The five treatments were no implant (NI), Revalor-XR on d 0 [200 mg TBA + 20 mg E2 (coated); XR], Revalor-XS on d 0 [200 mg TBA + 40 mg E2 (total): 80 mg TBA + 16 mg E2 (non-coated) and 120 mg TBA + 24 mg E2 (coated); XS], Revalor-200 on d 0 [200 mg TBA + 20 mg E2 (non-coated); E200], or Revalor-200 on d 70 (D200)...
March 9, 2018: Journal of Animal Science
Charity G Owings, Christine Skaggs, Winyu Sheriff, Nicholas Manicke, Christine J Picard
Filth flies are commonly implicated in pathogen transmission routes due to their affinity for vertebrate waste and their synanthropic associations. However, solidifying the link between flies and infected feces in the wild can be difficult, as interpretations made solely from microbial culturing or sequencing methods may represent an incomplete picture of pathogen acquisition. We present an analytical assay using high performance liquid chromatography tandem mass spectrometry (HPLC MS/MS) to detect vertebrate fecal metabolites (urobilinoids) in adult blow fly guts...
March 9, 2018: Environmental Entomology
Hannah Crocker Cunningham, Kristi M Cammack, Kristin E Hales, Harvey C Freetly, Amanda K Lindholm-Perry
Feed costs account for over 70% of the annual expenditures in cow/calf production. During the production year the cow uses nutrients to support conceptus growth, milk production, work (grazing and locomotion), and maintenance requirements. The majority of the nutrients are used to support maintenance. Substrate cycling has been identified as one of the major contributors toward energy expenditure associated with maintenance in mature cows. The objective of this study was to determine whether beef cows that differ in the efficiency of weight gain differ in the relative abundance of transcripts for metabolic regulation in adipose tissue...
2018: PloS One
Dicky Tri Utama, Seung Gyu Lee, Ki Ho Baek, Aera Jang, Jae In Pak, Sung Ki Lee
Objective: This study aimed to observe whether high-pressure processing (HPP) affected aroma development and the degradation rate of umami taste-related ATP breakdown products, specifically inosinic acid in grass-fed beef during vacuum aging. Methods: Strip loin (longissimus lumborum) cuts obtained from six grass-fed Friesian Holstein steers (32 months old) on day 4 post slaughter were vacuum-packed and subjected to pressurization at 300 and 500 MPa for 180 s at 15 ± 2°C...
March 13, 2018: Asian-Australasian Journal of Animal Sciences
Kanokwan Kongphitee, Kritapon Sommart, Thamrongsak Phonbumrung, Thidarat Gunha, Tomoyuki Suzuki
Objective: This study was conducted to assess the effects of replacing rice straw with different proportions of cassava pulp on growth performance, feed intake, digestibility, rumen microbial population, energy partitioning and efficiency of metabolizable energy utilization in beef cattle. Methods: Eighteen yearling Thai native beef cattle (Bos indicus) with an average initial body weight of 98.3 ± 12.8 kg were allocated to one of three dietary treatments and fed ad libitum for 149 days in a randomized complete block design...
March 13, 2018: Asian-Australasian Journal of Animal Sciences
Jannike Øyen, Ingrid Kvestad, Lisa Kolden Midtbø, Ingvild Eide Graff, Mari Hysing, Kjell Morten Stormark, Maria Wik Markhus, Valborg Baste, Livar Frøyland, Berthold Koletzko, Hans Demmelmair, Lisbeth Dahl, Øyvind Lie, Marian Kjellevold
BACKGROUND: Marine resources including fatty fish are important sources of n-3 long chain polyunsaturated fatty acids (n-3 LC-PUFAs), which are important for brain development. To our knowledge, this is the first randomized controlled trial (RCT) investigating the impact of fatty fish on cognition in preschool children. The purpose of the trial was to investigate whether an increased intake of fatty fish compared to meat improves cognitive function in children 4-6 years old. METHODS: The children (n = 232) in this two-armed RCT, Fish Intervention Studies-KIDS (FINS-KIDS) were recruited from 13 kindergartens in Bergen, Norway...
March 12, 2018: BMC Medicine
M P Keane, M McGee, E G O'Riordan, A K Kelly, B Earley
The objectives of the study were to determine whether allometric equations are suitable for estimating the space requirements of finishing beef cattle housed on concrete slatted floors (CSF) and to examine the effect of fixed and dynamic space allowances on the performance and welfare of these cattle. Continental crossbred steers (n=120: mean initial live weight, 590 (SD 29.8) kg) were blocked by breed, weight and age and assigned to one of five space allowance treatments (three fixed and two dynamic) on CSF: i) 2...
February 24, 2018: Journal of Animal Science
S A Barwick, A L Henzell, B J Walmsley, D J Johnston, R G Banks
Methods are presented for including feed intake and efficiency in genetic selection for multiple-trait merit when commercial production is from any combination of pasture or concentrates. Consequences for the production system and for individual animals are illustrated with a beef cattle example. Residual feed intake at pasture (RFI-p), residual feed intake in the feedlot (RFI-f), and cow condition score are additional traits of the breeding objective. Feed requirement change is costed in the economic values of other objective traits...
February 24, 2018: Journal of Animal Science
Yong-Zhen Huang, Li-Na Qian, Jian Wang, Chun-Lei Zhang, Xing-Tang Fang, Chu-Zhao Lei, Xian-Yong Lan, Yun Ma, Yue-Yu Bai, Feng-Peng Lin, Hong Chen
The α-adducin (ADD1) is a subunit of adducin which is a cytoskeleton heterodimeric protein. Adducin participates in oocytes chromosome meiosis of mice, prompting adducin has an effect on embryonic development. Adducin gene mutation has significantly functional change. So the present study was to identify and characterize polymorphisms within the coding region of the bovine ADD1 gene among different cattle breeds. Here, 11 novel single nucleotide polymorphisms (SNPs 1-11) were identified by DNA sequencing and polymerase chain reaction-single stranded conformational polymorphism, there were one synonymous mutation in exon 1 (SNP1); four missense mutations in exons 4, 7, and 8 (SNPs 3-6); and six mutations in introns 4, 12, 13, and 14 (SNPs 2, 7-10)...
March 12, 2018: Animal Biotechnology
Abrar Essarras, Marco Pazzi, Ian R Dadour, Paola A Magni
Entomotoxicology involves the analysis of the presence and the effects of toxicological substances in necrophagous insects. Results obtained by entomotoxicological studies may assist in the investigation of both the causes and the time of death of humans and animals. Ethylene glycol (EG) is easy to purchase, sweet and extremely toxic. It may be consumed accidentally or purposefully, in an attempt to cause death for suicidal or homicidal intent. Several cases report fatalities of humans and animals. The present study is the first to examine the effects of EG on the survival, developmental rate and morphology of two blowfly species, (Diptera: Calliphoridae) typically found on corpses and carcasses: Lucilia sericata (Meigen) and L...
March 2018: Science & Justice: Journal of the Forensic Science Society
Omid Nekouei, Sylvia Checkley, Cheryl Waldner, Ben A Smith, Jesse Invik, Carolee Carson, Brent Avery, Javier Sanchez, Sheryl Gow
Emergence and dissemination of antimicrobial resistance (AMR) in food-borne bacteria is a public health issue. Retail meat is considered an important carrier for antimicrobial-resistant Escherichia coli. Currently, resistance of E. coli strains to third generation cephalosporins are of particular concern, with significant potential animal and public health consequences. Resistance to tetracyclines is also a concern, due to high prevalence of this resistance and important co-resistance patterns. However, the actual likelihood of exposure to antimicrobial-resistant bacteria via the consumption of retail meats, beyond the simple frequencies of resistance found in samples of meat at the grocery store, in Canada remains to be investigated...
February 27, 2018: International Journal of Food Microbiology
Marcos Vinicius Antunes de Lemos, Elisa Peripolli, Mariana Piatto Berton, Fabiele Loise Braga Feitosa, Bianca Ferreira Olivieri, Nedenia Bonvino Stafuzza, Rafael Lara Tonussi, Sabrina Kluska, Hermenegildo Lucas Justino Chiaia, Lenise Mueller, Adrielli Mathias Ferrinho, Angelica Simone Cravo Prereira, Henrique Nunes de Oliveira, Lucia Galvão de Albuquerque, Fernando Baldi
The aim of this study was to analyze the association between the copy number variation regions (CNVRs) and fatty acid profile phenotypes for saturated (SFA), monosaturated (MUFA), polyunsaturated (PUFA), ω6 and ω3 fatty acids, PUFA/SFA and ω6/ω3 ratios, as well as for their sums, in Nellore cattle (Bos primigenius indicus). A total of 963 males were finished in feedlot and slaughtered with approximately 2 years of age. Animals were genotyped with the BovineHD BeadChip (Illumina Inc., San Diego, CA, USA)...
March 8, 2018: Journal of Applied Genetics
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