Designing Research for the Montana Beef Industry
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1 Designing Research for the Montana Beef Industry 2017 Montana Nutrition Conference & Livestock Forum Range Beef Cattle Nutrition & Management Department of Animal & Range Sciences Tim DelCurto, Professor & Nancy Cameron Chair
2 Cameron Endowed Professorship Funding & Support: Bair Foundation Montana Stockgrowers Association Others.. Position Description: 60% Research 30% Teaching 10% Service My Thoughts..
3 Designing Research for the Montana Beef Industry!
4 Social Acceptability quality of life values, tradition, and history honor and dignity Economic Sustainability production per cow cost per cow per year genetic value added marketing programs Ecologic Sustainability plant & animal biodiversity forage production esthetic values water and riparian values Sustainable Range Beef Production Systems DelCurto & Olson, 2010 Tim DelCurto, Professor & Nancy Cameron Chair
5 Beef Production Systems Understanding Grazing Behavior Landscape use patterns Distribution relative to water Sustainable Management Systems for Montana Producers - Beef Cattle/wildlife interactions - Beef Cattle/vegetation interactions
6 Strategic Supplementation Optimizes the Use of Low-Quality Forages Past Research Tim DelCurto, Professor & Nancy Cameron Chair
7 Beef Production Systems Optimal Supplementation Strategies Individual cow intake, feed intake ratios Forage dynamics in winter grazing scenarios Composition of diets and diet quality with increased levels of use Matching Production Expectation with the Environment Evaluating Beef Cow Efficiency Should cows be able to wean 50% of the BW Production per unit of cows exposed Cow size & production efficiency Tim DelCurto, Professor & Nancy Cameron Chair
8 Beef Cattle Nutritional Requirements: Cow Milking lb of milk/ lb TDN lb CP Size Level cow/day Needed Needed 1000 Below Avg Average Above Avg Below Avg Average Above Avg Below Avg Average Above Avg Source: Nutrient Requirements of Beef Cattle; 1984, 1996 & 2016.
9 Typical Herd Weight & Condition Body Weight, lbs 1400 Weight Body Condition yrs 4 yrs 6 yrs 8 yrs 10 yrs 12 yrs Cow Age, yrs Feed & manage to age group & condition Body Condition, 1-9 Scale
10 Winter Grazing Research 2016 & 2017 at Havre Influence of Supplement Intake and Cow Age on Grazing Behavior and Rangeland Use Patterns Sam Wyffels, Jan Bowman, Lance McNew, Darrin Boss, Cory Parsons, Julia Dafoe, Alyson Hicks- Lynch, and Tim DelCurto Vegetation: production and cover by species, forage quality, robel structure estimates Soil organic matter, temperature maps (GIS Layers) Animal & Range Sciences
11 Winter Grazing Research 2016 & 2017 at Havre Influence of Cow % BW Weaned and Size on Supplement Intake and Grazing Behavior Alyson Hicks-Lynch, Tim DelCurto, Jan Bowman, Darrin Boss, Cory Parsons, Julia Dafoe, and Sam Wyffels Objective: Design a 2X2 Factorial design contrast Cow Size (weight) and % BW weaned Animal & Range Sciences
12 Cows at the Thackery Ranch st, 2 nd, and 3 rd Calf Cows to 11 yr old Cows Animal & Range Sciences
13 Cow Weight vs Calf Weaning Wt Animal & Range Sciences
14 High Weaning Weight Ratio Low Weaning Weight Ratio Animal & Range Sciences
15 The Supplement We are working with Kim Hager CHS Salt-limited 30% CP supplement fortified with vitamins and minerals 25% Salt Bentonite used as binder for pelleting Potential Research Project at BART Farm Tim DelCurto, Professor & Nancy Cameron Chair
16 Research Techniques Lotek 3300 GPS Collars and Activity monitors Smart Feed Pro Feeders by C-Lock Tim DelCurto, Professor & Nancy Cameron Chair
17 45 day grazing period: 42,472 visits to the feeders Cow EID read Time of day Entry and exit are recorded Coupled with weather station and GPS collar data Avg Supple Intake = 2.75 lbs (1.25 kg) 264 cows were recorded Preliminary Data Tim DelCurto, Professor & Nancy Cameron Chair
18 Tim DelCurto, Professor & Nancy Cameron Chair
19 Tim DelCurto, Professor & Nancy Cameron Chair
20 Tim DelCurto, Professor & Nancy Cameron Chair
21 Cow Efficiency Study Using the NARC cattle records: We have identified the high indexing (> 53% BW Weaned) and the low indexing (< 45% BW Weaned Cows) Within index groups we further sorted by cow size Treatment Groups: 1. High Index Light Wt Cows (1107 BW & 57% WR) 2. High Index Heavy Wt Cows (1191 BW & 55% WR) 3. Low Index Light Wt Cows (1294 BW & 43% WR) 4. Low Index Heavy Wt Cows (1395 BW & 43% WR) Animal & Range Sciences
22 Supplement lntake vs Biological Type HI-Light Hi-Hwy LI-Light LI-Heavy Tim DelCurto, Professor & Nancy Cameron Chair
23 Cow Efficiency Study (cont ): Two year study Three Phases Winter Grazing Segment Spring dry-lot intake study (total DMI & Milk) Late Spring/Early Summer Grazing Potential Findings How does performance translate to grazing behavior & distribution What is consumption per unit of production Tim DelCurto, Professor & Nancy Cameron Chair
24 Future Research Strategic Supplementation - Optimal nutrient delivery systems - Optimal use of Rangelands - Optimal use of Low-Quality Forages Tim DelCurto, Professor & Nancy Cameron Chair
25 Future Research (cont ) Matching Cow Type and Optimal Use of Montana Rangelands - Influence of Cow Size - Influence of Productivity (ie. % BW weaned) - Milk production - Stage of Production Tim DelCurto, Professor & Nancy Cameron Chair
26 Future Research (cont ) Sustainable Management Systems for Montana Producers - Beef Cattle/wildlife interactions - Beef Cattle/vegetation interactions - Targeted grazing - Distribution relative to riparian areas - Water development and optimal use Tim DelCurto, Professor & Nancy Cameron Chair
27 Tim DelCurto, Professor & Nancy Cameron Chair
28 Thank You! Questions?
Nancy Cameron Chair Update: 2018 Montana Nutrition Conference & Livestock Forum
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