Corn hay as fodder for alternative drought in low income holdings: 1. Nutritional value
DOI:
https://doi.org/10.47808/revistabioagro.v2i1.298Keywords:
maize, nutritive value, silage, hayAbstract
In order to assess the nutritional value of corn hay as alternative to the silage in low-income exploits, a study was conducted in two localities of San Luis Potosi State. A plot of maize variety H-311 was established in each locality under raining conditions. Complete plants were harvested when the grain was found in dough-milk stage, half of them were ensiled and the other was dried. A representative sample from each batch were taken and sent to laboratory for determining crude protein (CP), acid detergent fiber (ADF) and in-situ dry matter digestibility (ISDMD). Nutritional value of silage and hay from the first locality show that ADF and CP content was similar in the two types of forages, but ISDMD was greater (P = 0.008) in silage. In the second locality, results show that ADF content was lower (P = 0.023) in hay, while CP was similar (P = 0.083) in both two types of fodder, although, a tendency to be higher in silage was observed. The ISDMD was higher (P < 0.0001) in hay. The results of this study suggest that while there could be differences in digestibility, is not convincing, since in one locality the silage showed better digestibility, while in the other the hay was better. In conclusion, hay maize represents an alternative for obtaining quality forage to be used in critical times by low-income farmers from the semiarid region of northern Mexico.
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