ASAP Proceedings - Animal Production in Australia

Short communications at the 2008 ANZSAP Conference

Paper Title and Authors    (click on the page numbers to open or download the papers)Page
Reproductive inefficiencies and opportunities in dairy and beef cattle in Australia 1
M. McGowan and R. Holroyd
Mutualistic microbes and development of mucosal defense in the mammalian intestine 10
H.R. Gaskins
The stimulatory effect of the organic S compound, mercaptopropanesulfonic acid on rumen function in cattle 11
S.E. Denman, C.S. Prasad, S. Anandan, M. Chandrasekharaiah, K.T. Sampath and C.S. McSweeney
Estimation of effective protein degradability of fresh forage in situ: correction for microbial contamination using 15N-labelled plant material 12
R. Tahmasbi, R.C. Dobos and J.V. Nolan
Fluoroacetate degradation by naturally occurring rumen bacteria 13
C.K. Davis, S.E. Denman, L. Sly and C.S. McSweeney
Bioelectrical impedance measurements for predicting body composition of horses 14
K. Van der Aa Kuhle, A.J. Cawdell-Smith, G. McL. Dryden, L.C. Ward and W.L. Bryden
Dietary energy intake and growth of rusa stags during and after the rut 15
M.C. Hmeidan and G.McL. Dryden
Energy expenditure of polocrosse horses using field studies of heart rate 16
A.M. Buzas, A.J. Cawdell-Smith, W.L. Bryden and G.McL. Dryden
A five year response to selenium supplementation in sheep grazing selenium deficient pasture 17
L.J. Edwards, K. Ellis and D.J. Overend
Liveweight change of merino wethers fed a low quality roughage diet and differentially supplemented using an auto-drafting system 18
G.J. Lee, M.A. Sladek and S.J. Semple
Grazing saltbush may cause mineral deficiencies 19
D.E. Mayberry, D.G. Masters and P.E. Vercoe
The effect of dietary protein concentration during gestation and pelvic diameter on dystocia and birthweight in Bos Indicus cross heifers 20
G.C. Micke, T.M. Sullivan, P.J. Rolls, N. Perkins, B. Hassell, S.T. Norman and V.E.A. Perry
Application of a remote drafting system for regulating supplement intake by sheep 21
M.K. Bowen, P.M. Pepper, R.C. McPhie and M.R. Winter
Variance components of liveweights of pregnant ewes measured by manual or remote methods, with and without processing by data screening 22
G.J. Lee, M.A. Sladek, K.D. Atkins and S.J. Semple
Can eleectronic tags affect the cost of data collection? 23
C.E. Pope and K.D. Atkins
Preliminary observations using GPS on the grazing distribution around water points for the Barkly Tablelands 24
N.W. Tomkins, S. Williams, S. Kearins and H. James
Improving beef meat quality: feedlot or grain supplementation? 25
A. Simeone, V. Beretta, J. Franco, D. Chalkling, G. Brito, E. Beriau, J.M. Iriarte and D. Tucci
Temperament of young Brahman cattle assessed during backgrounding persists and is related to performance 28
L.M. Cafe, D.M. Ferguson, D.L. Robinson and P.L. Greenwood
Post castration and tail docking pain alleviation in lambs 29
H.A. Dickson, S. Lomax, P. Windsor and M. Shiel
Serum cortisol responses in sheep of known feed conversion efficiency 30
S.A. Knott, L.J. Cummins, F.R. Dunshea and B.J. Leury
Implications of heart and liver weights of F1 Wagyu/Black Angus feedlot steers 31
R.J. Lawrence and I.D. Loxton
The effect of cattle handling on body temperature 32
R.J. Lawrence, J.B. Gaughan, I.D. Loxton and T.P. Grant
Metabolic effects of heat stress and restricted intake on the lactating cow 33
F.C. Cowley, D.G. Barber, A.V. Houlihan and D.P. Poppi
Impact of shade on the panting score of feedlot cattle 34
M.L. Sullivan, J.B. Gaughan and A.J. Cawdell-Smith
A survey of mycotoxin contamination in Australian pastures and forages 35
D.D. Moore, L-J. Chin and W.L. Bryden
Copper oxide wire particles as an anthelmintic for goats 36
A.J. Cawdell-Smith, P. Mayuni, M.L. Murphy and M.R. Knox
An estimate of the prevalence of resistance to macrocyclic lactone drenches in sheep flocks in the Central Tablelands of N.S.W. 37
J. Eppleston and B. Watt
Pestivirus (BVDV) prevalence on Northern Territory cattle properties 38
T.J. Schatz, L.F. Melville and S.S. Davis
Pimelea poisoning - still a confusing story 39
R.G. Silcock, S. Chow, M.T. Fletcher and M. Wingett
Dietary effects on Escherichia coli O157 and serotype diversity of shiga toxin- producing Escherichia coli in feedlot cattle faeces 40
D. Al-Ajmi, J. Padmanabha, S. Denman, R. Gilbert, R. Al Jassim and C. McSweeney
An improved method for RNA extraction from carcass samples with low abundance of Escherichia coli O157:H7 for detection by reverse-transcription polymerase chain reaction 41
S.C. de Wet, S.E. Denman, L. Sly, and C.S. McSweeney
A tool for the prediction of rib fat thickness in beef cattle 42
R.C. Dobos, M.J. McPhee, W.A. McKiernan and V.H. Oddy
Selecting Bos indicus and crossbred beef cattle for meat tenderness 43
M.R.S. Fortes, R.A. Curi, L.A.L. Chardulo, A.C. Silveira, M.E.O.A. Assumpcao and H. N. Oliveira
A research tool for modelling fat deposition and distribution in beef steers 44
M.J. McPhee, J.W. Oltjen, J.G. Fadel and R.D. Sainz
Inter-conversion equations between fat thickness and subcutaneous fat 45
M.J. McPhee, J.W. Oltjen, J.G. Fadel, D. Perry and R.D. Sainz
Optimisation of in vitro conditions for the differentiation of primary stromal vascular cells from Wagyu cattle 46
B.A. Bevan, Y.H. Wang, S.P. Quigley, D.P. Poppi and D.W. Pethick
Alternative splicing of slow troponin T mRNA in bovine skeletal muscle 47
N. de Jager, R. Barnard and Y.H. Wang
Mortality rate of Bali cattle (Bos sondaicus) calves in West Timor, Indonesia 48
I.G.N. Jelantik, R. Copland and M.L. Mullik
Linear body measurements of Bali cattle (Bos sondaicus) calves supplemented during the dry season in West Timor, Indonesia 49
C.L.O. Leo Penu, I.G.N. Jelantik, R. Copland, M. Mullik and A.J. Jeremias
Cooperia spp. infection of weaner dairy calves - a case study 50
W.K. Ehrlich, M. Lymdal-Murphy and P.M. Pepper
Angus bulls and heifers are more efficient following selection on feed efficiency EBV 51
R.M. Herd, J.M. Accioly, P.F. Arthur and K.C.P. Dibley
The effect of heifer nutrient intake during gestation on foetal development 52
G.C. Micke, T.M. Sullivan, P.J. Rolls, N. Perkins, S.T. Norman and V.E.A. Perry
Differences in utilization of low-quality hay between cattle selected on growth rate after weaning 53
K.E. Turnbull, S.P. Quigley, J.F. Kidd, S.R. McLennan and D.P. Poppi
How stems affect forage intake rate and selectivity by cattle grazing tropical grasses 54
M.A. Benvenutti, I.J. Gordon, D.P. Poppi and F.C. Moreno
Body condition score and rump fat depth of female beef cattle in the tropics 55
G. Fordyce, P.J. Williams, R.G. Holroyd, N.J. Corbet, M.S. Sullivan and A. Reid
Correcting cattle liveweights in the tropics for weighing protocol 56
G. Fordyce, W.D. Sim, R.J. Young and R.L. Hall
Nutritional management of skeletal bone growth in cattle in the dry tropics 57
R.A. Matthews, G. Fordyce and D.P. Poppi
The intake and retention time in the rumen of grasses varying in crude protein content fed to Bos indicus steers 58
T. Panjaitan, S.P. Quigley, S.R. McLennan, T. Swain and D.P. Poppi
Effect of Aspegillus niger and urea on the crude protein and neutral detergent fibre content of cocoa-pods in Central Sulawesi, Indonesia 59
Marsetyo, S.P. Quigley and D.P. Poppi
Long term impact of the plane of nutrition on milk protein production 60
A.R. Anstis, F.C. Cowley, D.G. Barber and D.P. Poppi
Feed conversion efficiency in pasture-based dairying as influenced by stage of lactation and level of feeding 61
J.G.M. Wientjes, W.J. Wales and C. Grainger
The effect of proportion of Amarillo-based pasture in the forage system on milk production in a tropical upland environment 62
J.A. Lindsay, R.G. Walker and K.F. Lowe
Physiological response to magnesium supplementation in lactating dairy cows 64
L.J. Edwards, T. Clarke, G. Hepworth and A.J. Parker
Variability in milk selenium concentration in dairy cows fed selenium-enriched cereal grain-based supplements 65
C.R. Stockdale, M.L. Jenkin, J.W. Heard and P.T. Doyle
Repeatability of the analysis of selenium in selenium-enriched cereal grain-based supplements 66
C.R. Stockdale, M.L. Jenkin, J.W. Heard and P.T. Doyle
Effects of the pre-partum administration of melatonin on concentrations of immunoglobulin G in bovine colostrum 67
W.J. Wales, M.J. Auldist and C. Grainger
Genetic correlations between traits in ewe lambs and their adult lamb production 68
R.A. Afolayan, N.M. Fogarty and A.R. Gilmour
Selection indexes for bloodline comparisons to reflect different breeding objectives 69
J.E. Court, M.J. Carrick and F.D. Brien
Does maternal bond between a lamb and its dam lead to an increase in weaning weight 70
J.S. Richards and K.D. Atkins
Productive ability of alternative breeder genotypes under extensive grazing conditions 71
K.D. McCosker and M.D. Cobiac
Effect of supplementing does, during the last trimester of pregnancy and lactation, on birth weights, growth and survival rates of their kids 72
P.J. Murray, L. Mudenda, and E.A. Qualischefski
Supplementation of diets for lactating goats with selenium and vitamin E 73
V. Laudadio, M. Dario, V. Tufarelli and C. Dario
Effect of different types of milk on the growth rate and health of goat kids from birth to weaning 74
P.J. Murray, J.N. Nyamasyo, R.K. Englebright and E.A. Qualischefski
Processionary caterpillars are an abortifacient in mares 75
A.J. Cawdell-Smith, K.H. Todhunter, N.R. Perkins and W.L. Bryden
Heritability estimates for some biometric traits in Martina Franca donkey breed 76
C. Dario, D. Carnicella, M. Selvaggi, G. Bufano, M. Dario, V. Tufarelli, G.V. Celano and V. Laudadio
Nutrient balances for complementary forage rotation and pasture systems 77
B. Kabore, W.J. Fulkerson, S.C. Garcia and P. Milham
In Vitro study of the forage quality of the potential psyllid-resistant Leucaena hybrid 78
E.J. Litzow, S.A. Dalzell and H.M. Shelton
Application of the double-normal distribution to measurements of sward height for kikuyu pastures grazed by dairy cows at different grazing durations 79
R.C. Dobos, W.J. Fulkerson and G.N. Hinch
Effect of sulphur fertilisation on protein fractions of faba bean (Vicia faba L.), pea (Pisum sativum L.) and lupin (Lupinus albus L.) seeds 80
E. Cazzato, V. Tufarelli, M. Dario, A. Corleto and V. Laudadio
Rumen boluses are efficient and reliable for the electronic identification of sheep 81
G.M. Gaunt and A. Britt
Evaluation of electronic identification rumen boluses for improved lamb growth 82
G.M. Gaunt and A. Britt
Monitoring ruminal pH by datalogger using wireless telemetry 83
N.J. Phillips, T. Mottram, J. Lowe, D.P. Poppi and M.R. McGowan
Relationships between oxidative status and pregnancy outcome in dairy cows 84
M. Merlo, P. Celi, O. Barbato and G. Gabai
Milk progesterone profiles of Ankole and Ankole-cross cattle in Uganda 85
H. Smith, W.J. Fulkerson, J. Solkner, E. Galukande and A.M Okeyo
Ovulation and corpus luteum development after progesterone-based oestrus synchronisation in Brahman heifers 86
S.A.A. Butler, N.J. Phillips, M.J. DÂ’Occhio and M.R. McGowan
Survival of twin lambs born in edible shelter is not increased during mild winter weather in Western Australia 87
K.M.M. Glover, J.T.B Milton, B.L. Paganoni and G.B. Martin
Edible shelter increases survival of twin but not single lambs born to Merino ewes in winter in Western Australia 88
C. Oldham, R. Davidson, S. Gray, J. Milton and B. Paganoni
Shelter does not increase survival of twin lambs born during mild winter weather in Western Australia 89
B.L. Paganoni, J.T.B. Milton, C. Vinoles Gil, K.M.M. Glover and G.B. Martin
Effect of instrumental aperture size on colour measures 90
D.L. Hopkins, M.J. Kerr and T.A. Lamb
Variation in the response to electrical stimulation in lamb carcases 91
D.L. Hopkins and E.S. Toohey
Relationship between shear force and temperature at pH 6 92
D.L. Hopkins, E.S. Toohey and L.C. Martin
Preliminary studies on the impact of new generation pre-dressing medium-voltage electrical stimulation on pH decline in goat carcases 93
E.S. Toohey, D.L. Hopkins and T.A. Lamb
Prediction of diet quality for sheep - faecal near infrared spectroscopy or wet chemistry predictive models? 94
D.G. Kneebone and G.McL. Dryden
The effect of pistachio hulls tannin on in vitro gas production and ammonia release from sunflower meal 95
T. Mohammadabadi, M. Danesh Mesgaran, M.R. Nasiri and M. Chaji
Exogenous enzymes on in vitro gas production parameters of high fat sunflower meal 96
T. Mohammadabadi, M. Danesh Mesgaran, M.R. Nasiri and M. Chaji
The effect of dietary betaine on rumen protozoa in sheep 97
K. Kewan, S.L. Bonner, R.A.M. Al Jassim, J.B. Gaughan and W.L. Bryden
Protozoal concentrations in the rumen of cattle grazing tropical pastures 98
M.K. Bowen, J.F. Kidd, S.R. McLennan and D.P. Poppi
Bacterial population dynamics in cattle fed pasture of varying nutritive value 101
A.R. Wilson, A.V. Klieve, D. Ouwerkerk, D.P. Poppi, S.R. McLennan and T. Panjaitan
Improving saline pasture reduces vegetable matter contamination in wool 102
E.A. Abraham, N.J. Edwards, M.L. Hebart and J.E. Hocking Edwards
Post-weaning liveweight profiles - a means to increase Merino weaner survival? 103
S. Hatcher, J. Eppleston, R.P. Graham, J. McDonald, S. Schlunke, B. Watt and K.J. Thornberry
Characteristics and performance of Longling Yellow goats 104
J. Leng, H.M. Mao, R.J. Zhu ,G.R. Zhao, Q.R Yangï, D. Zhang, X. Li, R.A.M. Al Jassim and W.L. Bryden
Muscle glycogen levels in sheep: genotype and gender effects 105
E.N. Ponnampalam, D.L. Hopkins, K.L. Butler and R.D. Warner
Effects of moderate frequency immobilisation, low voltage electronic bleed and post-dressing medium voltage electrical stimulation (MVS) individually and in combination on sheep meat 106
E.S. Toohey, D.L. Hopkins and T.A. Lamb
Dietary betaine and its effect on rumen VFA profiles in sheep 107
S.L. Bonner, J.B. Gaughan, R.A.M. Al Jassim and W.L. Bryden
Replacing corn with durum wheat middling in the complete diet of dairy ewes reared in permanent stabling 108
V. Laudadio, M. Dario, V. Tufarelli and C. Dario
Effect of different nitrogen supplements on weight gain and wool growth in Merinos 109
N.N. Kanegeni and P.J. Murray
The effects of microbial amendment of ryegrass-clover hay at baling on intake and nutritive value for pregnant sheep 110
B.W. Norton, P.J. Dart and S.M. Brown
Effect of protein meals and polyethyleneglycol (PEG) on nitrogen utilization of sheep fed Leucaena pallida leaves 111
Rusdi and B.W. Norton
The effect of protein supplementation of Holstein cows in early lactation on their reproductive performance and plasma IGF-1 concentrations 112
C.R. Stockdale
Understanding cattle behaviour in riparian areas with and without access to off-stream water 113
G.J. Bishop-Hurley, S. Potin, D.L. Swain, T. Wark and C. Crossman
Preservation of Timor deer (Cervus timorensis) semen using tris egg yolk diluent with different sources of carbohydrate stored at room temperature 114
W.M.M. Nalley, H.L. Belli, I.G.N. Jelantik, R. Handarini, I. Arifiantini, B. Purwantara and G. Semiadi
Confirmation of the classification of Merino sheep based on visual fleece traits from measurements of the wool follicle population 115
P.C. Wynn, J.E. Watts, P.C. Thomson, J. Armstrong, M. Carpenter and G.P.M. Moore
   
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