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Reduction of phosphorus concentration in mineral supplement on fertility rate, maternal ability and costs of beef cows reared in pastures of Urochloa decumbens
(2016-02-01)
Manufacturing and marketing of mineral mixtures with less than 40 g kg−1 phosphorus (P) is prohibited under Brazilian regulations, although scientific evidence rejects this recommendation. Considering the hypothesis that ...
Performance of Nellore young bulls on Marandu grass pasture with protein supplementation
(Sociedade Brasileira de Zootecnia, 2013-06-01)
The objective of this study was to verify the effect of low-intake supplementation on performance of Nellore young bulls kept on Marandu grass pasture. The experiment was divided in two periods: the dry and rainy seasons. ...
Mineral iron affects the development of mandibular gland in Apis mellifera
(2020-01-01)
In this study the effects of inorganic iron (Fe) supplementation on the morphology of mandibular glands in Apis mellifera were investigated. We randomly assigned 12 beehives to four treatment groups (with three hives in ...
Selenium supplementation enhances weight gain in cattle
(2008-07-25)
To evaluate the effect of selenium on cattle growth in a continuous grazed pasture system. Selenium was added to protein-mineral salt and given to male, around-12-month old, non-castrated Nellore calves. Animals were ...
Phosphorus supplementation does not affect the intake, digestibility, and meat quality of Nellore young bulls fed with high-grain diets
(Editora da Universidade Estadual de Maringá - EDUEM, 2020-09-25)
This study evaluated the effect of phosphorus (P) supplementation on the intake, digestibility, and quality of aged meat from Nellore young bulls fed on high-grain diets finished in feedlot. Forty young bulls (30 months ...
Minerals in the nutrition of extremely low birth weight infants
(2005-03-01)
Objective: To review the literature on the role of calcium, phosphorus and trace elements in the nutrition of extremely low birth weight infants, considering their importance for metabolism, bone mineralization and as ...
Bio-economic evaluation of a reduced phosphorus supplementation strategy for a cow-calf system in Brazil: a case study
(2018-01-01)
Fertility, weight of calves at weaning, and the economic aspects of a breeding herd receiving mineral supplements containing 75 or 12.5 g of phosphorus (P)/kg were measured from 2013 to 2016. No differences in reproduction ...
Organic zinc supplementation modifies the metalloproteome of royal jelly produced by Apis mellifera
(2021-01-01)
In this study, we analyzed Apis mellifera royal jelly proteome alterations induced by supplementation with different concentrations of dietary organic zinc (0, 25, 50, and 75 ppm). Proteins extracted from royal jelly were ...
Effect of organic mineral supplementation on the egg quality of semi-heavy layers in their second cycle of lay
(Fundação APINCO de Ciência e Tecnologia Avícolas, 2009-12-01)
This study was carried out to evaluate the effects of dietary trace mineral levels and sources on egg quality parameters of second-cycle semi-heavy layers. A number of 360 72-week-old layers were submitted to forced molting. ...