Summary of Recent Investigations of the Value of Cacti As Stock Food
Summary of Recent Investigations of the Value of Cacti As Stock Food
David Griffiths, Raleigh Frederick Hare
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Our analyses show that the ether extract is mainly a constit- uent of the seeds, and since these pass thru cattle undigested can contribute nothing to either the palatability or nutritive value of this part of the plant. That the seed is not digested is plainly shown in the case of Opuntia lindheimeri in many favorable seasons in por- tions of Texas. In the vicinity of Austin, in the early spring of 1904, there were numberless young plants springing up from cattle drop- pings in many of the pas...tures. They were fully as numerous in some situations as are the seedlings of the mesquite under similar condi- tions in favorable seasons in the river valleys of Arizona and on the plains of southern Texas. This applies to the genus Opuntia, to which belong the prickly pears and cane cacti. The seeds of the other group are very different in character. There is no doubt that burros, which conamonly feed upon the fruits of the viznaga (Echinocactus wislizeni) j get a great deal of nourishment out of the seeds, which are very oily and easily masti- cated.
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