🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-01
Influence Of Ketosis Prevalence During First Lactation And Subsequently On The Cow's Performance Through Its Following Lactations
Juan Cainzos et al.
Luisa Barreal4. Elanco Animal Health, Greenfield, United States
Objectives: Ketosis, defined as hyperketonemia (high levels of beta-hydroxybutyrate (BHB) in blood, milk or urine) during first weeks postpartum, is a common and costly dis- ease. The aim of the present study w
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-02
Evaluating Plasma Methionine In Response To Feeding Three Rumen-Protected Methionine Products
Merrick Smith et al.
University of Delaware, Newark, Delaware, United States
Objectives: Rumen protected (RP) amino acid products offer the opportunity for precision feeding of limiting amino acids to ruminant animals. The efficacy of such products is dependent on survival in the rumen
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-03
Bioavailability Of Rumen-Protected Choline Chloride Sources Based On In Situ Rumen Degradability And In Vitro Intestinal Digestibility Criteria
Cristian Faturi et al.
Universidad Federal Rural de la Amazonia, Brazil, Brazil
Introduction: Choline is a vitamin-like substance that inter- acts very closely with methionine and vitamin B12 metabolism as a methyl donor. It plays an important role in animal produc- tion, reproduction, and
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-04
Correlation Between Feed Efficiency And Mobilization Of Fat In Dairy Holstein Cows During The Fresh Cow Period And Early Lactation
György Szura et al.
1 2 Meyer2, Jeannette Klüß2, Gerhard Breves1, Lena Ruda1, Sven Dänicke2, Jürgen Rehage1. University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
Objectives: Feed efficiency (FE), a parameter to estimate the effectiveness of dairy production, gained importance for economic and ecological reasons in recent years. However, after parturition lipomobilizatio
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-05
Rumen Degradability And Intestinal Digestibility Of Different Rumen Protected Lysine Products Determined In Situ And In Vitro
Fatima Francia et al.
Spain.
Introduction: The supply of metabolizable protein to dairy cows is important for optimizing milk and milk protein yields. However, excess MP in dairy cow diet results in a reduced efficiency of N utilization an
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-06
Production Performance Of Lactating Dairy Cows Fed Two Rumen Protected Methionine Supplements
Fatima Francia et al.
Barcelona, Bellaterra, Spain
Results: Milk yield (kg/d) was higher (P<0.002) in KES (46.7) than CTR or SMT (43.9 and 44.5, respectively). The 3.5% fat corrected milk (kg/d) was numerically higher in KES and SMT (51.3 and 50.6, respectively
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-07
Ketosis Monitoring In Spain Using Testday Samples
Marcello Guadagnini et al.
Lugo, Spain
Objectives: Ketosis (KET) is one of the most impactful diseases in dairy farming and it represents a good indicator of a poor adaptation to high energy demand during the transition period (Duffield T., 2009). β
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-08
Associations Of Serum Calcium And Subclinical Hypocalcemia At Calving With Productive, Reproductive And Health Outcomes In Multiparous Jersey Cows
Ainhoa Valldecabres Inchaustegui et al.
University of California, Davis, Davis, United States. The most appropriate blood calcium (Ca) threshold to de- fine subclinical hypocalcemia is still under study. Currently, there is a wide range of suggested definitions, and variability on its repo
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-09
A Prospective Cohort Study On Periparturient Muscle Tissue Mobilisation In High Producing Dairy Cows
Cara Hatfield et al.
Health, UoL, University of Liverpool, United Kingdom
Objectives: Dairy cattle at the onset of lactation experi- ence a period of Negative Energy Balance (NEB). Adipose tis- sue is mobilised to meet energy demands for milk production. There is evidence that some c
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-10
Magnesium Butyrate Is A Readily Available Magnesium Source In Dairy Cow Nutrition
Bastiaan De Groot et al.
Velddriel, Netherlands.
Objectives: Magnesium (Mg) is an essential nutrient for cows. This means that dairy rations need to supply a suffi- cient amount of absorbable Mg in order to safeguard the cow’s health, for example decreasing t
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-11
Utilising Infra-Red Thermography To Evaluate Rumen Development In Dairy Youngstock
Nick Britten et al.
University of Cambridge, Cambridge, United Kingdom.
Objectives: Timing of weaning is a critical issue for the efficient management of dairy youngstock. Successful tran- sition to a solid diet as soon as possible provides economic advantages due to the high cost
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-13
Iron Deficiency Anemia In Whole Milk Fed Calves
Jennifer Allan et al.
Royal Veterinary College, London, United Kingdom.
Objectives: This is one of the first studies to assess the prevalence of iron deficiency anemia in whole milk fed dairy calves on farms in the United Kingdom and the effect of a sin- gle parenteral iron supplem
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-14
Epidemiology Of Hyperketonemia In First Parity Holstein
cows. Is subclinical ketosis a problem of fresh cows et al.
Georgios E. Valergakis1, Alexandros Kougioumtzis1, Aikaterini Soufleri1, Nektarios Siachos1, Georgios Banos2, Georgios Arsenos1, Georgios Oikonomou3. Laboratory of Animal Husbandry, Faculty of Veterinary Medicine, School of Health Sciences, Aristotle
Objectives: Subclinical ketosis (SCK) is a common dis- order of dairy cows, associated with several clinical diseases during the post-partum period. Although negative energy bal- ance lasts on average up to 8-1
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-15
Risk Factors Associated With Excessive Negative Energy Balance In Commercial United Kingdom Dairy Herds
Alastair Macrae et al.
University of Edinburgh, Roslin, Midlothian, United Kingdom.
Objectives: Numerous studies have shown that exces- sive negative energy balance (eNEB) in dairy cows, charac- terized by elevations in blood biochemical parameters such as β-hydroxybutyrate (BHB), non-esterifi
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-16
Effect Of Postpartum Milking Strategy On Plasma Calcium Concentration And Risk Of Subclinical Hypocalcemia In Multiparous Dairy Cows
Ainhoa Valldecabres et al.
Noelia Silva-Del-Río4. University of California - Davis, Davis, United States
The aim of the present study was to evaluate the effect of different postpartum milking strategies on plasma calcium (Ca) concentration and risk of subclinical hypocalcemia in multipa- rous dairy cows. Addition
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-17
The Effect Of Monensin Controlled Release Boluses On Subclinical Ketosis, Consequent Health And Production In Dairy Cows
Rok Marzel et al.
VOA Ihan, Kočevje, Slovenia
Objectives: Subclinical ketosis is one of the most import- ant hidden conditions in high yielding dairy cows. It is directly corelated with different management approaches for cows in dry period, transition per
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-18
Expression Of Adamts-7 In Myocardial Dystrophy Associated With White Muscle Disease In Lambs
Nihat Yumusak et al.
Rahsan Yilmaz1. Dept. of Pathology, Fac. Vet. Med., University of Harran, Sanliurfa, Turkey
Objectives: White muscle disease (WMD), or nutritional muscular dystrophy, is an acute fatal disease in young farm animals. It generally leads to death associated with heart fail- ure. A-Disintegrin and Metallo
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-19
On Field Evaluation Of Preweaning Period Growth Impact On Age At First Insemination And Survival Risk At 500 And 1000 Days In Dairy Heifers
Guillermo Lorenzo et al.
Juan Cainzos4. Gando nuevas tecnologías SL., Ferrol, Spain
this study were: a) to evaluate if birth weight and preweaning length have an impact on ADGprew and b) to evaluate AGD- prew impact on age at first insemination and survival. A retrospective study was conducted
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-20
Differences In The Serum Metabolome Profile Of Dairy Cows According To The Bhb Concentration Revealed By Proton Nuclear Magnetic Resonance Spectroscopy (¹H-Nmr)
Anastasia Lisuzzo et al.
Barbara Contiero1, Massimo Morgante1, Elisa Mazzotta4, Matteo Gianesella1, Enrico Fiore1. University of Padua, Legnaro, Italy
Abstract Objectives: During the transition period, a higher nutri- ent demand and a reduction in dry matter intake induce to a negative energy balance (NEB). The nonesterified fatty acids (NEFA) are then mobili
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-21
The Behaviour Of Dairy Cattle In The Transition Period: Effects Of Blood Calcium Status
Rosie Barraclough et al.
Royal (Dick) School of Veterinary Studies and the Roslin Institute, Edinburgh, United Kingdom
Objectives: Low blood calcium concentrations at calving can have a detrimental effect on cow health, welfare, and pro- ductivity. Currently, there is no reliable method to predict if a cow will develop clinical
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-22
Preliminary Results Of A Metabolic Survey For Plasma Ionized Calcium And Magnesium In Dairy Herds From The South Of Chile
Pedro Melendez et al.
Pablo Pinedo4. University of Georgia, Tifton, United States
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-23
Very Low Negative Dcad Diet Promotes Severe Metabolic Acidosis And Alters Plasma And Urine Metabolomics In Prepartum Holstein Cows
Pedro Melendez et al.
Garbarino3. School of Veterinary Medicine, Texas Tech University, Amarillo, TX, United States
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-24
Effect Of Oral Or Parenteral Iron Supplementation In Early Life On Iron Concentration And Hematological Parameters Of Dairy Calves Fed Commercial Milk Replacer
Lennart Golbeck et al.
Grünberg4. llo, 1 Clinic for cattle, University of veterinary medicine hannover, Foundation, Hannover, Germany
Objectives: Iron supplementation is common in newborn calves. The objective of this study was to compare the effect of oral and parenteral iron supplemenation to a negative control treatment on iron concentrati
🎤 Oral
Nutrition and Metabolic Diseases
2022
NU-25
Variation In Longissimus Dorsi Thickness In Dry And
lactating Holstein dairy cows et al.
lactation mastitis and sole ulceration William Tulley, Matthew Barden, Bethany Griffiths, Alkiviadis Anagnostopoulos, Cherry Bedford, Georgios Oikonomou. University of Liverpool, Liverpool, United Kingdom.
Objectives: Dairy cattle face a drastic increase in nutrient demand at the onset of lactation leading to a period of neg- ative nutrient balance which cattle respond to by catabolism of body tissues. Adipose ti