Weighing Cattle

Weighing Basics

Whether you use a sophisticated electronic weighing on your cattle crush  or simply a spring balance, weighing your animals is one of the key performance indicators for farm efficiency and breeding improvement. It is also probably the easiest way to maximise your profit whilst minimising your feed cost, save money on vet and med by correctly dosing your animals That is why we take weighing very seriously.

Your choice of equipment will be largely dependant on the size of your herd and your interest and commitment. You may enter weights manually, import direct from EID readers such as the Psion WorkAbout pro, APR500 or direct from weighing units like the Tru-Test XR3000, SR3000, ID3000, EziWay 6 or 7. You may also import weight data from CSV files generated in Microsoft Excell or similar tools.

In practical terms manually reading tags and recording weight records on paper for later input into the software is not as hard as you may think. It is very unlikely that you will weigh more than 30 animals in a session unless your throughput of animals on your farm is very high. However automation can obvously help. Whether EID is practical or worth the cost is a question you have to answer for yourself, again this will depend on your frequency of weighing and the number of animals.

Weighing Cattle in an Hydrolic Crush

Weighing Cattle with an hydrolic catle crush,Digital weighng,EID and FarmIT 3000 Cattle Console. Note the 28" Screen in the top left corner?

Real Time Data Access ?

FarmIT 3000 Cattle Management Console

One very key decisions to make is 'do  you want the information to hand whilst you weigh your animals'. Weighing cattle is a big job and health and safety has to take presidence. You need to be able to get your animals from the field or shed to your crush with the least stress to both you and the animals and without risk to either of you. Therefore we would strongly recommend only considering the finer points of data collection once you are happy with your handling system. However the real problem is that you really need to know the animals weight gain and its history when you have it in front of you in the crush.

The idea of taking your PC or laptop to the cattle crush may seam rather daunting, however they are plentifull and a second hand one can be very cheap so why not! You may even have an old laptop that could be given a new use.

And why not make it permanant by putting it in its own cabinent and connecting it to the house or office by wifi. There is no reason why not so what is the real benifit. Weigh heads like the Tru-Test XR5000 are hard to improve on, however they do have two limitations. The first is that We (border software) are not in control of how they work, the second is that they do not have full access to ALL of your data.

So as an alternative we developed a specific mode of operation within the FarmIT 3000 Software - Console Mode.

Console Mode - FarmIT 3000

The console is specifically designed to provide instant access not only to the weight and weight gain, but also the time / days on farm, purchase price, cost per day and estimated current value. It also records your weight data straight into your FarmIT 3000 database, and allows recording of Movements, VET and Med, TB testing, PD 'ing' etc. and provides movements warning for animals withdrawl periods. This giving easy access to Farm Assurance status and medical history.

Console Mode - FarmIT Mobile on Andriod

Console mode has also been added to our FarmIT Mobile solution for Andriod and works very well on a 10" Andriod tablet. Although it also works on a phone the screen size of the phone tends to limit the usability

FarmIT 3000 Weight Records

Cattle Weight Record

Irrespective of how you collect the data and how much you have of it, we need the tools to analyse that data and then go on to the selection of animals, to keep or cull in order to improve. Weighing your animals is only the start.

FarmIT 3000 allows you to not only record animal weights and analyse those weights for individual animals or groups, but also to assess breeding Dam and Sire by the performance of their offspring.

We also provide export reports for SIGNET in the UK.

The main point to consider is exactly what method of data collection will suite you best. Our experience has shown us that although an EID cattle crush will seem expensive, it greatly reduces the tedium and stress associated with weighing your cattle and therefore results in you weighing them more frequently.

Reporting and Analysis Tools

There are of course a number of ways you can measure performance from weight records4, however there are some points to consider. The animal's weight gain will depend on its sex,  genetics , feed and its environment. The FarmIT 3000 software analysis tools therefore let you filter on such things to allow the direct comparison of similar animals. For animals reared under similar conditions, genetics should be the main factor effecting performance, therefore selection from these animals should improve breeding.

Daily Live Weight Gain

When accessing an animals growth, the daily live weight gain is the best measure. Simply comparing the current weight of two or more animals may not identify the best animal. for example....

Concider two animals weighed on the 18 January 2011, one weighs 490Kg (Animal A) the other 485Kg (Animal B), a deference of 5 Kg.

Without any further information you would of course pick animal A as the better animal. So lets add a little more information.

Animal A
Born: 05-04-2010
Sex:MALE

Animal B
Born: 06-05-2010
Sex:MALE

Luckily for us they are both MALE, however on the day of weighing they are different ages. As we do not have a birth weight we will asume a default birth weight of 30 Kg.

Animal A
Born: 05-04-2010
Age In Days:288
Average DLWG: 1.67 Kg

Animal B
Born: 06-05-2010
Age In Days:257
Average DLWG: 1.79 Kg

Based in the average daily live weight gain, Animal B is now the better animal.

It is the kind of analysis that FarmIT 3000 allows you to do, all you need do is enter the weights and the date for the animal.

1. Individual Analysis

Animal weight Records

Assessing an individual animals weight records allows you to review daily live weight gain between recorded weights or as an average since birth. This does however rely on having a birth date for the animal and birth weight. The system does however allow for a default birth weight so you do not have to get your scales out whilst calving unless you are very keen to do so.

2. Weight Analysis

The weight analysis view enables you to review animal weights, dlwg and average dlwg for multiple animals. It also provides filters to allow you to easy select animals on sex, birth status, and even sire. You may sort your data by simply clicking the 'column' heading, easily print the data or even export the data. Weight analysis include the animals basic information as well as related weight data.

3. Weighing Points

Weighing points provide a specific analysis view for a specific day in the animals life, for example a 100 day weight. This is often more relavant to assesing an animals EBV within a breed and is widely accepted throughout the industry.

Animal Weighing Points

A weighing point is a specific day on which we would like to compare animal weights. It is defined by a target day for example 100 and a date range, in this case 85 - 115 days.

The aim is to allow us to compare animal weights at a specific point, however it is extreamly unlikely that you are going to way your cattle on the exact day (for each animal). So the weighing point defines a range in days. The software will then calculate a theoretical weight for the animal based on the closest weight record to the target day and its DLWG at the time.

Lets define a weighing point for 30 Months with a target day of 900 days and range of 850 to 950

So lets say we record an animals born on 01-01-2010 on the 12-06-2012 and that its actual recorded weight was 796 Kg. Based on the animals previous weight we can calculate its DLWG at the time of 890 grams a day.

The animals age on the day of weighing was in fact 893 days. We therefore need to adjust the weight by 7 Days, by adding 7 x 890 grams (DWLG) to the recorded weight to produce a 900 Day weight of 802.22 Kg.

Once we have completed the calculation for all animals, we can calculate the mean for the group and then the deviation from the mean for each animal.

4. Graphical Analysis

One solution is to provide the data in graphic format. Both the weight analysis and weighing point analysis views allow you to review your selected data in a graphical form.

Graphically we can represent animals by a cross, then distiguishing sires, sex or birth status etc by colour, we may double click the entries to go direct to animal records and even select mutilpe animals to groups etc. It provides a extreamly good way of reviewing your entire weight records.

5. Slaughter Carcass Gradings and Weights

You may even record carcass grades and see them on a standard grading grid. Slaughter house reports may also be recorded and the data imported via a flexible import routine. Once imported or entered manually you may review slaughter weight via reports or weight analysis. You may also review overall performance on the standard gradings grid.

TOP TIP!

Popup Menus For Animal Selection

All analysis views provide 'popup' menu's for the selection of animals into management groups. This include selecting your best lambs and then getting a list of their mothers at the click of a button.

First in the analysis view you may select an animal by using your left mouse button and clicking on the animal in the list (double clicking opens the animals record card). To select multiple animals simply hold down the 'ctrl' key on your key board and left click on an animal further down the list. In this way you can select multiple animals.

Weigh Point Analysis Selected Animals

Now you have some selected animals, right click on one to pop up the menu!.

Weighing Point Analysis Popup Menu


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