Discussion created on 12/08/2009

Forum: How to formulate Economical Feed Ration for milking Cross Breed Animal

Dear All

can you please guide me how to formulate ecomincal feed ration for milking cows b using corn silage.

Average Wieght of cows 475kg
Average lacation Secondl
Cross breed ( Holstin+Sahiwal )
Prduction Goal 20 litres

regard

Hassan Subhani
Agricultural Engineer
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Peter Lester Peter Lester
Animal Nutritionist
December 10, 2009

I have developed a feed amalgamation and metabolic solving program for dairy - beef - horses - swine - sheep and poultry, it is called AgFeed and is available through Quantum labs 4 Victoria Street Waipawa 4210 New Zealand for US$300.00. This will solve your problems I assure you.

Dr. Peter J Lester
dr.dirt@ihug.co.nz

Reply
December 10, 2009
what ration program are you using currently ?~ Depending on your forage quality and what you have available makes a big difference in the development of a ration. Please feel free to contact me via email at dcookeconsulting@live.com.
Things to keep a watch on are your starch rates, PeNDF and your NDF digestibility and your Amino Acid ratios - without more info it is difficult to point one way or the other on economics of the ration.

~ Dan Cooke
Reply
December 11, 2009

To help you need to know at least 4 points:
1) milk production liters a day?
2) what foods you have?
3) what you can buy?
4) economic result you get?

Only after these responses can be assumed formulations
At your disposal gb
gbarrigoni@arrigonibattista.it

Reply
December 12, 2009
Dear Hassan
I appreciate your question because feed for animal plays the same role which fuel does for a car. To have smooth performance of your car you need both proper quantity and quality.
Since I have an idea about your herd therefore I can give you some estimate while the real economic formula you will evolve your self as you have more experience with the passage of time about your herd which you collected from different sources and without previous record of animals individual performance.
Now your target is 20 liters/day but from your herd you may have some cows giving more than 25 liters while some will never reach 20 liters/day therefore you will have to cull all those which do not have 20 liter potential and will retain only the cows of +20. Do not worry at all if you find 75[percent] cows in your herd meeting your target.
It will be very good base for you in future. This statement is based on my experience in Pakistani conditions.
You already have Corn Silage(as you mentioned) and you already have economical and productive formulation of concentrate as I know therefore start with the estimation given below and then adjust the same as per your conditions and experience. I foresee that from your herd with this formulation you will get mixed results which will be based on productivity potential of individual animal in your herd.
Group them according to the potential of each group and adjust feed programme accordingly.
I am always available to you without any obligation the little knowledge and experience I have.

Estimating formula

Type of Feed Formula 20-26 liters/day
Corn Silo DM 8,05 Kg
Hay Alfalfa 2,34 Kg
Total 10,39 Kg
Concentrate 8,01 Kg
Total DM 18,49 Kg

Reply
December 13, 2009
Dear Hassan
Before formulating ration for any animal you should know
the energy requirements of lactating animal are ER [equal] MEm+MEp (maintenance +prodcution metablolizable energy ME) if animal is pregnant than allowances for pregnancy would be added.
1- Weight of animal
2- Stage of lactation (as during 1-10 weeks of early lactation yield increases @ 2.5[percent]/week)
3- Butter fat and SNF of milk g/kg milk
4- Animal is losing weight or gaining
5- Production potential maximum (from previous lactation)
6- Energy content of available feed stuff (metabolizable energy (MJ)/KgDM) both greed foder (silage and concentrates


In my view you will need
1- maintenance requirement 52 MJ metabolizablr energy
Although you have not mention the BF and SNF of milk to evaluate the energy secreation inmilk but normally cross bred yield 3.6[percent]fat and 8.5[percent] SNF (36 and 85 g/kg milk), the net requirement for 20 lit milk would be around 150 MJ ME.
To meet these requirements you would have to adjust green fodder and concentrate ratio keeping in view the ruman capacity. Corn silage will have around 9-10 MJ ME/Kg DM. You calculate in similar way the concentrate ME and adjust it. Never do hit and trial method. Some time you are giving much more energy and some time too low. Always consult nutritionist. Every penny and every unit of ME accounts in commercial dairy production.
If you still have aquirey pl contact me 0301 466 8148.
Reply
December 13, 2009
Dear All

thank you very much for your response. Hafiz Sb Thank you very much for your feedback. i will get back to you shortly.

Regards

Hassan Subhani
00923004028728
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