Neck wattles in lambs     

MJ LANCASTER  WD MEDWELL 《Australian veterinary journal》1991,68(2):75-76

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Experimental vaccinia virus infection of horses   总被引：1，自引：0，他引：1  

MJ STUDDERT 《Australian veterinary journal》1989,66(5):157-159

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Arthropod-transmitted infectious diseases of cats     

SE Shaw  RJ Birtles  MJ Day 《Journal of Feline Medicine and Surgery》2001,3(4):193-209

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Characterization of GFRα‐1‐Positive and GFRα‐1‐Negative Spermatogonia in Neonatal Pig Testis     

KH Lee  WY Lee  JH Kim  MJ Yoon  NH Kim  JH Kim  SJ Uhm  DH Kim  HJ Chung  H Song 《Reproduction in domestic animals》2013,48(6):954-960

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Intra‐abdominal blockage of a ventriculoperitoneal shunt by a suspected mesenteric pseudocyst in a dog     

CJ Driver  MJ Pinilla  S Loderstedt  PJ Kenny 《Australian veterinary journal》2013,91(10):418-421

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Evidence for absence of equine arteritis virus in the horse population of New Zealand     

A MJ McFadden  P V Pearce  D Orr  K Nicoll  T G Rawdon  H Pharo 《New Zealand veterinary journal》2013,61(5):300-304

AIM: To summarise investigation and laboratory data collected between 2001 and 2011 to provide evidence that equine arteritis virus is not present in the horse population of New Zealand.

METHODS: Analysis was carried out on results from laboratory tests carried out at the Ministry for Primary Industries Animal Health Laboratory (AHL) for equine arteritis virus from horses tested prior to being imported or exported, testing of stallions as part of the New Zealand equine viral arteritis (EVA) control scheme and testing as part of transboundary animal disease (TAD) investigations for exclusion of EVA. Horse breeds were categorised as Thoroughbred, Standardbred or other.

RESULTS: A total of 7,157 EVA serological test records (from import and export testing, EVA control scheme testing and TAD investigations) were available for analysis between 2005 and 2011. For the three breed categories a seroprevalence of ≤1.6% at the 95% confidence level was determined for each category. Between 2001 and 2011, as part of the EVA control scheme, the EVA status of 465 stallions was determined to be negative. During 2005–2011 EVA was excluded from 84 TAD investigations.

CONCLUSIONS: There was no evidence of equine arteritis virus being present in the general horse population outside of carrier stallions managed under the EVA control scheme.

CLINICAL RELEVANCE: Equine arteritis virus is absent from the general horse population of New Zealand.  相似文献   

Effects of Gonadotropins on In Vitro Maturation and of Electrical Stimulation on Parthenogenesis of Canine Oocytes     

BS Kim  SR Lee  BH Hyun  MJ Shin  DH Yoo  S Lee  YS Park  JH Ha  ZY Ryoo 《Reproduction in domestic animals》2010,45(1):13-18

The objective of this study was to determine the effects of gonadotropins on in vitro maturation (IVM) and electrical stimulation on the parthenogenesis of canine oocytes. In experiment I, cumulus oocyte complexes were collected from ovaries at a random phase of the oestrus cycle and cultured on maturation medium treated with hCG or eCG for 48 or 72 h. There were no significant differences in the effects on the metaphase II (MII) rate between the hCG and eCG treatment groups over 48 h (5.4% vs 5.5%). The MII rate in the co-treatment group of hCG and eCG for 48 h was higher than in each hormone treated group (15.5%, p < 0.05). In experiment 2, the parthenogenetic effect on oocyte development, at various electrical field strengths (1.0, 1.5, 2.0 kV/cm DC) for 60 or 80 μs with a single DC pulse after IVM on the co-treatment of hCG and eCG, was examined. The rate of pronuclear formation (37.1%) in electrical activation at 1.5 kV/60 μs without cytochalasin B (CB) was higher than that of oocytes activated in the other groups (p < 0.05). However, we did not observe the cleavage stages. Also, CB did not influence parthenogenesis of canine oocytes. The results showed that the pronucleus formation rate, indicative of the parthenogenesis start point, could be increased by electrical stimulation. Therefore, these results can provide important data for the parthenogenesis of canine oocytes and suggest the probability of parthenogenesis in canines.  相似文献   

Differential expression of insulin‐like growth factor family members in immature cumulus–oocyte complexes from dairy cows with different genotypes          下载免费PDF全文

AC Lopes  MP Palhão  CAC Fernandes  MJ Sudano  ACS Castilho  ES Caixeta 《Reproduction in domestic animals》2017,52(6):1067-1073

It has been evident the improvement of in vitro embryo production (IVEP) in dairy cows. Nevertheless, it is known that differences in the number and quality of oocytes between taurine and zebu females impact the efficiency and economic viability of IVEP. As the insulin‐like growth factor (IGF) system is related to follicular and oocyte development, we aimed to quantify mRNA abundance of IGF system members and pregnancy‐associated plasma protein‐A (PAPPA) in the cumulus–oocyte complexes (COCs) of Gir, 1/2 Holstein × 1/2 Gir and Holstein cows. Four pools of 30 immature COCs from Gir, 1/2 Holstein × 1/2 Gir and Holstein cows were obtained by ovum pickup (OPU), and the oocytes and cumulus cells (CC) were mechanically separated and stored at ?80°C. Total RNA was extracted from pools of 30 oocytes and their respective CC. Expression of target genes was assessed by real‐time RT‐PCR. In oocytes, the abundance of IGFR1 mRNA was higher (p < .05) in Gir cows compared with the other breeds. In contrast, in CC, mRNA encoding IGF2 (p < .05), IGFR2 (p < .05) and IGFBP4 (p < .01) was higher in Holstein donors compared with Gir and 1/2 Holstein × 1/2 Gir cows. Additionally, the abundance of PAPPA mRNA was higher in oocytes (p < .001) and CC (p < .01) in Gir and 1/2 Holstein × 1/2 Gir cows compared with the Holstein donors. In conclusion, the higher abundance of PAPPA mRNA in the oocytes and CC from Gir and cross‐breed donors combined with the low expression of IGFBP4 in the CC suggests an enhancement of the bioavailability of IGF‐free when compared with Holstein COCs.  相似文献   

In vitro digestion characteristics of unprocessed and processed whole grains and their components     

Hernot DC  Boileau TW  Bauer LL  Swanson KS  Fahey GC 《Journal of agricultural and food chemistry》2008,56(22):10721-10726

Chemical composition and in vitro digestion properties of select whole grains, before and after processing, and their components were measured. Substrates included barley, corn, oat, rice, and wheat. In addition to whole grain flours, processed substrates also were tested as were corn bran, oat bran, wheat bran, and wheat germ. Processing of most substrates resulted in higher dry matter and digestible starch and lower resistant starch concentrations. Dietary fiber fractions varied among substrates with processing. Digestion profiles for most substrates correlated well with their chemical composition. Corn bran and rice substrates were the least fermentable. Extrusion rendered barley, corn, and wheat more hydrolytically digestible and barley and oat more fermentatively digestible. Except for corn bran, all components had greater or equal fermentability compared with their native whole grains. Understanding digestion characteristics of whole grains and their components will allow for more accurate utilization of these ingredients in food systems.  相似文献   

Colocolic intussusception in a 12-year-old llama     

Boileau MJ  Streeter RN  Step DL  Washburn KE 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2003,17(6):937-939

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