Productive and reproductive performance and metabolic profiles of ewes supplemented with hydroponically grown green wheat (Triticum aestivum L.)
2016
Guerrero-Cervantes, M. | Cerrillo-Soto, M.A. | Plascencia, A. | Salem, A.Z.M. | Estrada-Angulo, A. | Rios-Rincón, F.G. | Luginbuhl, J.M. | Bernal-Barragán, H. | Abdalla, A.L.
Twenty six Katahdin ewes (i.e., female lambs from breeding to 2 mo of their 1st lactation) were used in a completely randomized design (13/treatment) to evaluate effects of replacement of dietary dry-rolled corn grain (DRC) and cottonseed meal (CSM) with hydroponically grown whole plant green wheat (HGW; Triticum aestivum L.) on productive parameters and blood metabolites during mating, gestation and lactation, and on body weight (BW) gain of their lambs in their 1st 60days of age. The gestation diet contained 70% oat hay, 20% rolled corn grain and 10% cottonseed meal, while the lactation diet contained 50% oat hay, 20% DRC and 30% CSM. Treatments consisted of total replacement of DRC and CSM with HGW in the gestation diet, while in the lactation diet HGW replaced 100% of the DRC and 33% of the CSM. There were no diet effects on reproductive parameters, and substitution of DRC and CSM with HGW did not affect dry matter intake during gestation and lactation. The BW gain of the lambs that were fed HGW did not differ from controls in the first 2 months of gestation, while it was lower (P<0.05) at the last 3 months of gestation. Feeding HGW did not affect birth BW of lambs or subsequent BW gains through 60days of age. Plasma non-esterified fatty acids (NEFA) were not affected by the diets fed during gestation, but were 56% lower (P<0.05) at day 60 of lactation. Plasma glucose was only lower (P<0.05) at day 90 of gestation, and blood urea nitrogen was only lower (P<0.05) at day 30 of lactation. There were no effects of diets on plasma insulin, cortisol or progesterone during gestation and lactation. Hydroponically grown green wheat is a suitable substitute for a portion of the DRC and CSM in ewes diets during gestation and lactation without negative effects.
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