Quote:
Originally Posted by hoggie
I have a query about alfalfa pellets though if I may. I thought that goats needed the roughage of "stalks" ie hay or similar to keep their rumens healthy. Surely if I feed pellets then that changes the balance? Or not? How does that work?
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I have found that to be "the great debate" in some circles. personally, after cutting open and seeing the contents of the rumen of a wether on browse only, I could see that the content looked just like mushy crushed alfalfa pellets. I stopped wasting expensive hay after that (still feed roundbales in some situations). some say that the don't develop a good rumen capacity with pellets. I have not found that to be the case. the pellets are just chopped up hay. maybe the don't cud them as much?? don't produce as much "buffering" saliva?? even when mine get no hay, just pellets, they still sit around cudding all day.
also must note that my goats when browsing go for alot of small particle new growth (tiny leaves and shoots) not big hunks of "stemmy" stuff. they love tiny new blackberry leaves. when feeding alfalfa hay they eat the crumbly leaves anyway and leave the stems. with the alfalfa hay I have had access to it is practically pulverized the moment you touch it so I don't see much difference in that and pellets either. just my opinion.
http://jds.fass.org/cgi/content/abstract/87/9/2987
"Reduction in chop length did not affect rumen pH, total rumen volatile fatty acids, milk yield, and milk composition, but increased DM (
dry matter) intake from 19.4 to 20.1 kg/d at the high level of concentrate and from 16.9 to 17.7 kg/d at the low level of concentrate and increased rumen propionate."
from elsewhere about rumen function....."propionate which is then available to the host for gluconeogenesis"
unless I am misundertading something it sounds like shortened chop length increase feed intake (definitly my experience) and the ability to convert it to energy.