Alternative title
INDILACT - Part 1
Creator/Principal investigator(s)
Anna Edvardsson Rasmussen
- Swedish University of Agricultural Sciences, Department of Animal Nutrition and Management
Renée Båge
- Swedish University of Agricultural Sciences, Department of Clinical Sciences
Erling Strandberg
- Swedish University of Agricultural Sciences, Department of Animal Breeding and Genetics
Maria Åkerlind
- Växa Sweden
Kjell Holtenius
- Swedish University of Agricultural Sciences, Department och Animal Nutrition and Management
Description
The objective of the study is to investigate how an extended voluntary waiting period between calving and first insemination in primiparous cows would affect milk production and fertility during their first and second calving interval.
The data is registered between August 2018 to September 2021.
Data from 2 different sources. Access to these data is restricted due to the agreement with the principal owner of the data Växa Sverige.
1. Data (.txt files) from the Swedish Official Milk Recording System, operated by Växa Sverige regarding breed, calvings, inseminations, 305-d lactation yields, test-day yields, and dry-off dates from 16 farms. The inclusion criteria for the farms included herds with >100 dairy cows in production and a herd average milk production of at least 9 000 kg ECM/cow/year, a mean CI of < 14 months, and a system for daily milk yield registration.
2. Daily milk yields from the milking systems on the farms (three different types of systems: DeLaval, Lely and GEA), Excel files.
Metadata available:
One file with metadata, describing the data processing steps for each categor
Language
English
Swedish
Research principal
Principal's reference number
SLU.huv.2017.4.1-111
Responsible department/unit
Department of Animal Nutrition and Management
Contributor(s)
Kjell Holtenius
- Swedish University of Agricultural Sciences, Department och Animal Nutrition and Management
Erling Strandberg
- Swedish University of Agricultural Sciences, Department of Animal Breeding and Genetics
Renée Båge
- Swedish University of Agricultural Sciences, Department of Clinical Sciences
Cecilia Kronqvist
- Swedish University of Agricultural Sciences, Department och Animal Nutrition and Management
Maria Åkerlind
- Växa Sweden
Funding
-
Funding agency:
Swedish farmers’ foundation for agricultural research
- Funding agency's reference number: O-17-20-957
- Project name on the application: Individuellt anpassad laktationslängd för lönsam och hållbar mjölkproduktion
Data contains personal data
Yes
Type of personal data
Far identity number which can be connected to other personal information such as owner adress, contact details etc.
Code key exists
Yes
Ethics Review
Uppsala - Ref. Dnr 5.8.18-10126/2018
There is an apporved Ethical review application, but in this part of the project we have not used information that needed ethical approval, only collection of data.
Time period(s) investigated
2018-08-01 – 2021-09
Species and taxons
bos taurus taurus linnaeus, 1758
Geographic spread
Geographic location: Sweden
Geographic description: The farms where the data is collected is situated in the south of Sweden in Västergötland, Småland, Västmanland, Närke, Östergötland, Gotland, Uppland, Värmland, Södermanland and Dalsland.
Keywords
milk production, fertility, dairy cattle, dairy cow, dairy farm, reproduction, artificial insemination (animals), extended voluntary waiting period, first service conception rate, extended calving interval, extended, cow, extended lactation, services per conception, lactation yield, mjölkmängd, voluntary waiting period, calving interval, lactation
:
If you have published anything based on these data, please notify us with a reference to your publication(s). If you are responsible for the catalogue entry, you can update the metadata/data description in DORIS.
Access to data via
Contact
Anna Edvardsson Rasmussen
Institutionen för Husdjurens Utfodring och Vård
Description
Daily milk yields from the milking systems on the farms (three different types of systems: DeLaval, Lely, and GEA), Excel and CSV files. The majority of data is available, but there are holes with lacking information due to files not being sent from the farms before they were deleted from the milking systems.Variables Farm-ID, cow-ID, date and time for milking, milk yield per milking (kg).
Data format / data structure
Numeric
Creator/Principal investigator(s)
Anna Edvardsson Rasmussen
- Swedish University of Agricultural Sciences, Department of Animal Nutrition and Management
Description
.txt files with information about calvings, cullings, inseminations, parentage. Registered by Farm owners, staff, and animal health staff and .txt files with information about test milkings, lactation yields and yearly yields. Registered by Farm owners, and Eurofins lab.
Variables:
1. Calvings: FarmID, cow-ID, birth year, calving date, easy/difficult calving, calf sex, calf-ID, calf use, calving number
2. Parentage: FarmID, cow-ID, birth date, sex, father ID, father farm ID, birth year father,
Data format / data structure
Text
Creator/Principal investigator(s)
Anna Edvardsson Rasmussen
- Swedish University of Agricultural Sciences, Department of Animal Nutrition and Management
Keywords
milk production, fertility, dairy cattle, dairy cow, dairy farm, reproduction, artificial insemination (animals), lactation, extended, extended lactation, calving interval, voluntary waiting period, extended calving interval, extended voluntary waiting period, cow, lactation yield, services per conception, first service conception rate
Description
R-script with statistical methods and aggregated data used for statistical calculations for lactation 1 and 2.
Raw data have been analyzed, summarized and new variables have been calculated in one Excel file per lactation from which data for the statistical calculations in R are taken.
The R script needs acces to the Excel-files with summarized data to work.
Linear models for calculation of:
1. 305d yield (kg + ECM),
2. Whole lactation yield (kg + ECM)
3. Milk yield per day in the fi
Data format / data structure
Text
Creator/Principal investigator(s)
Anna Edvardsson Rasmussen
- Swedish University of Agricultural Sciences, Department of Animal Nutrition and Management
Keywords
milk production, fertility, dairy cattle, dairy cow, dairy farm, lactation, extended, extended lactation, calving interval, voluntary waiting period, extended calving interval, extended voluntary waiting period, cow, lactation yield