Abstract
This study was carried out in order to assess commercial front and rear cuts of dairy-origin cattle fed mesquite pod meal. Twenty-five non-castrated male bovines (Holstein-Zebu), distributed according to a completely randomized design, with five animals per treatment, were used. The feed contained about 121.2 and 544.98 g kg-1 of crude protein and total digestible nutrients, respectively, and was composed of tifton grass hay, cornmeal, soybean meal, mesquite pod meal and mineral salt. The right half carcass of each animal was separated between the 5th and 6th ribs, in front and rear quarters, from which commercial cuts were obtained. There was no effect (p > 0.05) as to the replacement of corn for mesquite pod meal on the weights and yields of front cuts (shoulder, brisket, chuck, hump and flanks) and rear cuts (tenderloin, shank, knuckle, thin flank, flat, eye round, rump tail, top side, cap of rump, rump, cut of rump, striploin, cap of cube roll). Mesquite pod meal can substitute cornmeal in 100% in the concentrate without changes in weight and yield of the commercial front and rear cuts of male bovines of dairy origin.
Highlights
Food is one of the most important components of the production system, because consumption of it by animals will determine breeding viability to a greater or lesser degree, considering that its nutritional value is closely related to variations observed in animal products such as meat.Contemporarily, corn is largely present in cuisines worldwide; it is used as commodities and raw material for biofuels, raisingActa Scientiarum
Good yield of cuts obtained from concentrated foods, such as corn, can be considered normal, bearing in mind the high nutritional value of this food, with 9.11% and 87.24% of crude protein (CP) and total digestible nutrients (TDN), respectively (Valadares, Paulino, & Magalhães, 2006)
The maintenance of this yield achieved with the substitution of corn by mesquite pod meal shows that this alternative food is of good quality and can be used to feed ruminants
Summary
Food is one of the most important components of the production system, because consumption of it by animals will determine breeding viability to a greater or lesser degree, considering that its nutritional value is closely related to variations observed in animal products such as meat.Contemporarily, corn is largely present in cuisines worldwide; it is used as commodities and raw material for biofuels, raisingActa Scientiarum. This study was carried out in order to assess commercial front and rear cuts of dairy-origin cattle fed with mesquite pod meal in replacement of corn.
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