2006 merck/merial - School of Veterinary Medicine - Louisiana State ...

More documents

Recommendations

Info

mass and fecundity in prespawning white sucker (Catostomus commersoni). In the present study, we built upon a pilot studyexamining this technique in northern pike (Esox lucius). Ultrasonographic cross sectional images were taken of the left ovaryat increments of one twentieth of the ovarian length. Cross sectional ovarian areas from these images were used to estimateovarian volume. Ovary tissue density and the number of eggs per mL were measured from an egg sample from the caudalovary, enabling estimation of ovarian mass, GSI and fecundity. Ovarian mass estimation was 94.7% of actual values and wasnot significantly different (p=0.086). There was a significant positive relationship between estimated and actual ovarian mass(r2=0.97). GSI estimates were 94.0% of actual values and were not significantly different (p=0.052). Regression showed asignificant positive relation between estimated and actual GSI (r2=0.85). Fecundity estimates were 87.4% of actual valuesand were significantly different (p
Survey on intrinsic and management factors associated with cribbing in New York State horses.Anna-Linda Golob* ; Katherine A. Houpt, VMD, PhD, Dipl ACVB, James Law Professor of Animal Behavior;Hussni O. Mohammed, BVSc, MVSc, DPVM, MPVM, PhD, Professor of EpidemiologyFaculty of Veterinary Medicine, Leipzig University; College of Veterinary Medicine, Cornell UniversityCribbing is regarded as an oral stereotypy as it is an invariant and repetitive behavior for which there appears to beno obvious function. During cribbing the horse grasps a fixed object with its incisors, flexes its neck and contracts the neckmuscles leading to retraction of the larynx which causes air to rush through the pharynx into the upper esophagus producingthe characteristic cribbing-grunt. As cribbing is of health, appearance and economic concern for the horse owners, they mightbe interested in potential ways to reduce the likelihood of their horses to establish cribbing behavior by avoiding predisposingfactors in their management. The purpose of this first study in the US was to determine the prevalence of cribbing and try todetermine the risk for cribbing. Information on signalement, use, feed, housing, and management of 267 horses in New YorkState were taken from questionnaires filled in by their owners. The population of 267 horses consisted of 41.6% geldings,48.7% mares and 9.7% stallions. Twenty two (8.2%) horses cribbed of which 11 were geldings (50%), 8 mares (36.4%) and 3stallions (13.6%). The proportion of mares that crib in comparison to the proportion in the total population of 48.7% indicatesthat females are at lower risk of cribbing than males. A comparison between different breeds revealed that the groupcomposed of warmblood, pony, mix, and Arabian was less likely to crib than quarter horses, thoroughbreds or Americanbreeds (morgan, appaloosa, paint etc). Horses used for performance and eventing and pleasure horses are more likely todevelop cribbing behavior than retired, young or breeding horses. There is a tendency for feeding sweet feed to be associatedwith cribbing. The association between oats being fed and cribbing is less obvious. Horses that spend approximately equaltime in the stall and on turnout are less likely to crib than those kept mainly in stall or mainly on turnout. A turnout area withpasture appears to slightly reduce the risk compared to one of dirt or gravel. The cribbers in this study were more likely todevelop further problem behavior, such as coprophagy or locomotor stereotypies (stall walking, weaving) than the controls,but a higher proportion of non-cribbers were aggressive (biting, attacking, rearing).Determination of testicular blood flow in llamas using vascular casting and Doppler color flowultrasonographyMonica Grimes*, Michelle Kutzler, Karen Timm, Reid TysonCollege of Veterinary Medicine, Oregon State University, Corvallis, OR.Information on reproductive abnormalities, specifically those pertaining to spermatogenesis, in camelids isextremely limited. Many male camelids have a high percentage of spermatozoa with abnormal morphology. Theseabnormalities include variable sperm head sizes and sperm head and midpiece vacuolar defects. In cattle, swine, andhumans, it has been shown that such abnormalities, in addition to genetic reasons, can result from poor scrotalthermoregulation or decreased testicular blood flow. We theorize that this may also be true for camelids. A fertile six yearold male alpaca was heparinized (40,000 IU sodium heparin IV) and exsanguinated under anesthesia (xylazine, guaifenesin,and ketamine IV). Sixty liters of heparinized saline was flushed through the aorta and out of the caudal vena cava. Batson’sNo. 17 casting material was infused first through the aorta (red plastic) and then through the caudal vena cava (blue plastic)to determine position and size of the major vessels entering and leaving the testes. The pelvic region was then separated anddigested in a 3% potassium hydroxide solution. An infertile six year old male llama was sedated with butorphanol (15 mgIV) and positioned in sternal recumbency. A Philips iU22 ultrasound system was used to perform a color pulse-wave Dopplerstudy of the supratesticular artery (TA), the marginal artery (MA), and recurrent rami on both testes from this male using anL12-5 probe. The peak systolic velocity (PSV), end diastolic velocity (EDV), and resistance index (RI) are listed below.There was no pulsatility index for the recurrent rami.Additional blood flow studies will be performed to compare differences between fertile and sub-fertile animals.Determining normal testicular blood flow will assist in the etiologic diagnosis of abnormal sperm morphology in camelids aswell as providing a standardized method to use during breeding soundness evaluations.Right TA Left TA Right MA Left MAPSV 14.4 cm/s 11.1 cm/s 9.3 cm/s 6.3 cm/sEDV 6.2 cm/s 3.4 cm/s 7.8 cm/s 4.8 cm/sRI 0.57 0.69 0.16 0.2381
Page 1 and 2:
2006 MERCK/MERIALNATIONAL VETERINAR
Page 6 and 7:
3:00-3:30 pm BreakNovel therapy for
Page 8 and 9:
KEYNOTE SPEAKERRonald Veazey, D.V.M
Page 10 and 11:
Mini Symposium II:Fish Research: A
Page 12 and 13:
David G. Baker, D.V.M., M.S., Ph.D.
Page 14 and 15:
Konstantin G. Kousoulas, Ph.D.Profe
Page 16 and 17:
Joseph Francis, B.V.Sc., M.V.Sc., P
Page 18 and 19:
dogs with cancer, the potential rol
Page 20 and 21:
2006 MERCK/MERIALVETERINARY SCHOLAR
Page 22 and 23:
YOUNG INVESTIGATOR AWARD HONORABLE
Page 24 and 25:
Mammary epithelial-specific deletio
Page 26 and 27:
Page 28:
Variation in Q-Tract Length of the
Page 34: Novel therapy for humoral hypercalc
Page 38: ALTERNATE:Micron-scale membrane sub
Page 42 and 43: ABSTRACT TITLES LISTED BY CATEGORY
Page 44 and 45: 19. A pilot study of cigarette smok
Page 46 and 47: 36. Development of a murine in vitr
Page 50 and 51: 71. Identification and characteriza
Page 52 and 53: 85. Age and Gender Influence Ventil
Page 56 and 57: 2006 MERCK/MERIALVETERINARY SCHOLAR
Page 58 and 59: 10. Preliminary estimation of risk
Page 62 and 63: 47. Osteoprotegerin and Receptor Ac
Page 64 and 65: 61. A Comparison of Interaction Pat
Page 72 and 73: 2006 MERCK/MERIALVETERINARY SCHOLAR
Page 74 and 75: used to label avian heterophils for
Page 76 and 77: obtained via analysis of time and d
Page 78 and 79: 0.71mg/dL; p=0.001). Values for hem
Page 82 and 83: Equine Hoof Laminae Tissue Collecti
Page 84 and 85: Aspiration Pneumonia in DogsDavid A
Page 86 and 87: Distortion Product Otoacoustic Emis
Page 88 and 89: tyrosine phosphorylation is measure
Page 90 and 91: the gravid and non-gravid females t
Page 92 and 93: egulatory function as its ortholog,
Page 94 and 95: PATHOLOGY, TOXICOLOGY, AND ONCOLOGY
Page 96 and 97: Markers of Oxidative Stress in plas
Page 98 and 99: has been isolated from all samples
Page 100 and 101: Matrix metalloproteinase secretion
Page 102 and 103: Reproductive performance, neonatal
Page 104 and 105: control to determine the efficiency
Page 106 and 107: Enhancing the Quality and Reliabili
Page 108 and 109: grade II MCTs into groups with good
Page 110 and 111: Transcriptional Regulation of the I
Page 112 and 113: MICROBIOLOGY AND IMMUNOLOGY (SESSIO
Page 114 and 115: colonization of the mutant and 6 re
Page 116 and 117: digestive tracts of these and other
Page 118 and 119: 100 pfu BRSV. The results show that
Page 120 and 121: Inhibition of Microneme Secretion i
Page 122 and 123: Adherent bacilli were present in th
Page 124 and 125: isolated to analyze cytokine gene e
Page 126 and 127: purified, viral RNA was extracted a
Page 128 and 129: The effects of co-engagement of TLR
Page 130 and 131:
Occurrence of Leptospira Vaccine Fa
Page 132 and 133:
undifferentiated catecholaminergic
Page 134 and 135:
the concept that the greater detoxi
Page 136 and 137:
quantitative PCR using gene targets
Page 138 and 139:
Rotenone Induced Dopamine Neuron De
Page 140 and 141:
decrease in serum cortisol, with a
Page 142 and 143:
and detrimental impacts on the brai
Page 144 and 145:
actions of cells prior to embryo de
Page 146 and 147:
Utilizing cDNA Subtraction to Exami
Page 148 and 149:
expression in unilaterally pregnant
Page 150 and 151:
Salmonella is increased. Poultry sa
Page 152 and 153:
exports. The estimated prevalence o
Page 154 and 155:
eeding grounds near Minnedosa, MB s
Page 156 and 157:
(PBMC) were isolated using commerci
Page 158 and 159:
Page 160 and 161:
Trainees acquire in-depth knowledge
Page 162 and 163:
comparative pathology and/or resear
Page 164 and 165:
Department of Veterinary Bioscience
Page 166 and 167:
PhD, Director, Center for Comparati
Page 168 and 169:
Page 170 and 171:
MICHIGAN STATEUNIVERSITYJames Crawf
Page 172:
UNIVERSITY OFPENNSYLVANIALindsay Th
show all

2006 merck/merial - School of Veterinary Medicine - Louisiana State ...

Create successful ePaper yourself

Delete template?

Save as template?