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ubio quickVET pregnancy detection test provides a perfect tool to detect non-pregnancy in cattle accurately within 21 days. The kit provides 100 percent detection of non-pregnant cases and allows insemination at the first opportunity. The test can be easily performed within 20 minutes at cow-side without any instrumentation, which makes the tool attractive even for direct use by dairy farmersCattle pregnancy test for rapid early detection of pregnancy in cow
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Economic Analysis Tools for Dairy Reproduction Programs
1. Economic Analysis Tools for Dairy
Reproduction Programs
Victor E. Cabrera
University of Wisconsin-Madison
DAIReXNET Webinar Series, 8 April 2013
2. Rationale
• Herd profitability depends on reproductive
efficiency, but relationship is highly complex
• Reproductive performance can be measured
(e.g., 21-d pregnancy rate)
• Costs of reproductive programs can be
calculated (e.g., cost per pregnancy)
• But, it is difficult to measure its full economic
impact (e.g., profitability)
3. Profitability of reproduction
• Simulate herd
structure in response
to a reproductive
program
• Calculate the
expected net return
under different
reproductive
performances (De Vries et
al., 2010; Fricke et al., 2010; Cabrera, 2011)
4. Evaluation of repro programs
• Analyze specific
reproductive
programs
• Impact of
reproductive
management
strategies on ad
farm-by-farm
specific basis (Giordano et al.,
2011; 2012; 2013; Kalantari and Cabrera,
2012)
5. Individual cow management
• Not all cows have
same reproductive
value within a herd
• Opportunities for
individual cow
decision-making
exist (Cabrera, 2012)
7. Profit of improving pregnancy rate
$20/cwt milk • Improving
reproductive
efficiency improves
returns (Fricke et al., 2010)
$15/cwt milk
• Reproductive
efficiency improves
overall profit (De Vries, 2010;
$10/cwt milk Giordano et al., 2012; Kalantari and Cabrera, 2012)
• Law of diminishing
DairyMGT.info/markov marginal net returns
8. Profit of improving pregnancy rate
Expected additional net return ($/cow per yr)
response to increased 21-d pregnancy rate.
• Higher gains are due 21-d
Income
over
Repla- Repro-
Calf Overall Net
to improved milk Pregnancy
Rate, %
feed
cost
cement ductive
cost cost
return Return
income over feed 10 to 11
11 to 12
19.42
18.28
1.14
1.28
6.10
5.60
5.25
4.84
32
30
cost 12 to 13
13 to 14
17.18
16.13
1.36
1.42
5.17
4.79
4.48
4.16
28
26
14 to 15 15.12 1.44 4.45 3.87 25
• Other important 15 to 16
16 to 17
14.17
13.26
1.45
1.43
4.15
3.88
3.60
3.36
23
22
factors: savings in 17 to 18
18 to 19
12.41
11.62
1.41
1.37
3.64
3.42
3.15
2.95
21
19
reproductive costs, 19 to 20
20 to 21
10.87
10.17
1.33
1.28
3.23
3.05
2.77
2.60
18
17
return for additional 21 to 22
22 to 23
9.52
8.91
1.23
1.17
2.88
2.73
2.44
2.30
16
15
calves, and savings in 23 to 24
24 to 25
8.34
7.82
1.12
1.06
2.59
2.46
2.17
2.05
14
13
replacement costs 25 to 26
26 to 27
7.33
6.87
1.01
0.96
2.34
2.23
1.94
1.84
12
12
(Cabrera, 2011) 27 to 28 6.45 0.90 2.13 1.74 11
28 to 29 6.06 0.85 2.03 1.65 11
29 to 30 5.70 0.80 1.94 1.57 10
DairyMGT.info/markov
9. Make your own analyses
“Dairy Reproductive Economic • Enter farm-specific
Analysis” online tool information:
– Milk production
– Culling rates
– Abortion rates
– Prices and costs
DairyMGT.info/markov
• Run model
• Compare scenarios
10. Farm specific analyses
• Value of a
reproductive program
assessed by :
– Simulating
reproductive
performance along
with
– Estimating net returns
(Giordano et al., 2011; 2012; 2013;
Kalantari and Cabrera, 2012) DairyMGT.info: Tools: UW-DairyRepro$Plus
11. Farm specific analyses
• Different herds with
different repro
programs can have
same performance
• Same repro program
in different herds
can have different
outcomes
12. Farm specific decision-making
• Include, exclude, or • Introduce the use of
change level of TAI chemical pregnancy
or HD (Giordano et al., 2011) test (Giordano et al., 2013)
• Manipulate IBI for • Assessing the cost
TAI programs (Giordano et al., benefit of
2012)
introducing HD
• Start re- devices
synchronization
before pregnancy
diagnosis
13. Introducing heat detection devices
• Increasing the
percentage of cows
bred in estrus from
50 to 80% increased
the 21-d PR by 2%,
and
• Would translate in
$22,000/year of
additional profit in a
1,000-cow herd
DairyMGT.info: Tools: UW-DairyRepro$Plus
14. Heat detection between syncs
42 d
30% • Adding 30% CR of
50% ED improves
45%
profit?
82 d • No gain / No loss
• Only before first TAI:
Loss
• Only after first TAI:
Gain
DairyMGT.info: Tools: UW-DairyRepro$Plus
15. Earlier chemical pregnancy test
• Between $40 and Effect of shorter interbreeding intervals (IBI)
when conception rate was 35%
$60 additional profit
to 1-week shorter
interbreeding
interval (between 9 and 4 weeks)
• However, earlier RP=rectal palpation
pregnancy tests has TU=transrectal ultrasound
CT=chemical test
inaccuracies and is
affected by early
Giordano et al., 2013
pregnancy losses DairyMGT.info: Tools: UW-DairyRepro$Plus
16. Earlier chemical pregnancy test
Value of using chemical test (CT) for earlier
pregnancy diagnosis
Giordano et al., 2013 DairyMGT.info: Tools: UW-DairyRepro$Plus
17. Make your own analyses
DairyMGT.info: Tools: UW-DairyRepro$Plus
18. Individual cow decision-making
• Every cow has a • Critical concepts:
different contribution – Economic value of a
dairy cow (Eicker and Fetrow,
2003; Groenendaal et al., 2004)
• After best repro – Retention payoff (De Vries,
program: individual 2004; Kalantari et al., 2010)
cow management – Value ranking of cows
• Crucial reproductive
• Fine-tune individual decisions:
cow reproductive – Breeding, VWP, DNB, …
management
19. Determining the value of a cow
$300
$250
$200
$/cow per mo
Value of cow = $328
$150
$100
$50 Evaluated Cow
Average 2nd lactation
10 mo after calving
$0 4 mo pregnant
-$50 Replacement
-$100
1 6 11 16 21 26 31 36 41 46 51 56 61 66 71 76
Months in the future
Cabrera, 2012. DairyMGT.info/tools/cow_replacement/
20. Meaning of value of a cow
• Positive: • Negative:
– Cow provides more – Herd will have higher
profit than potential profit with a
replacement replacement
– Relative cow value to
be used for:
• Ranking Vs.
• Treating
• Better reproductive
management
21. Value of a cow illustration
• Open cow 2nd lactation average production cow
– Decreases
– Becomes negative
• Pregnant cow
– Higher than open
– U-shaped
– Similar value at
calving DairyMGT.info/tools/cow_replacement/
MIM = month in milk.
22. The impact of milk productivity
2nd lactation open 2 mo pregnant, 10 mo lactating
DairyMGT.info/tools/cow_replacement/
23. Illustration of possible cow value
repro management decisions
Cow Value MIM MIP Manager Possible Reproductive Decision
High 1 0 Consider enlarging voluntary waiting period
Low 1 0 Consider shorten voluntary waiting period
High 9 0 Keep breeding for at least 3 more services
Low 9 0 Label do-not-breed and replace next month
Very High 3 0 Use better quality semen or female sexed semen
Very Low 3 0 Consider embryo transfer or using male sexed semen
Very High 4 1 Consider sooner pregnancy diagnosis confirmation
Very Low 4 1 Consider replacement if negative cow value
Very High 10 5 Consider sooner pregnancy diagnosis re-confirmation
Very Low 10 5 Consider replacement after calving
MIM = month in milk. MIP = month in pregnancy.
24. Make your own analyses
• Critical variables:
– Evaluated cow
– Replacement
• Important variables
– Herd production
– Herd reproduction
– Prices and costs
DairyMGT.info/tools/cow_replacement/
25. Acknowledgement
Project supported by the Agriculture
and Food Research Initiative
Competitive Grant No. 2010-85122-20612
from the USDA National Institute of Food
and Agriculture
Project also supported by Hatch project
to V.E.C. WIS01577