Abstract
To minimize produc on costs small farmers at the Pelotas dairy basin use as maximum fer liza on level for silage produc on, the one recommended for grain produc on. Therefore, this study evaluated the effect of two levels of fer liza on (for grains; for silage) upon quality, level and adequacy of nutrients for three groups of animals (lacta ng, growing and nishing catle) in silages of two corn cul vars (variety corn; hybrid corn). Quality parameters (dry mater, crude ash, organic mater, crude protein, ether extract, crude ber, non nitrogen extract, neutral detergent ber, acid detergent ber, and in vitro organic mater diges bility), as well as available nutrients (diges ble crude protein, total diges ble nutrients, metabolizable energy, net energy lacta on, net energy maintenance, net energy gain, calcium and phosphorus) per kilogram of dry mater were es mated. Milk produc on capacity, per ton and per hectare, was es mated. The experimental design was the randomized complete blocks, with four replicates. Nutrient levels of silages of both cul vars and at both levels of fer liza on are characteris c of those found for corn silages. Fer liza on for silage produc on increases the levels of crude ash, crude protein and diges ble crude protein as well as in vitro organic mater diges bility coe cient. Silages of both cul vars su ce as far as energy for milk and beef is concerned; however, silages of both cul vars are very de cient in protein, calcium and phosphorus at both levels of fer liza on. Fer liza on level for silage produc on shows greater poten al for milk produc on per ton and per hectare, for both cul vars. Fer liza on level for silage produc on and protein and minerals for animal supplementa on is advisable.
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Claims 7
Claim · model-written summary
Silage nutrient levels were characteristic of corn silage across cultivars and fertilization levels.
- Taxon
- corn
Zea mays subsp. mayst0 - Outcome
- Nutrient levels of silagese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nutrient levels of silages of both cul vars and at both levels of fer liza on are characteris c of those found for corn silages”
t0“corn”
Claim · model-written summary
Silage fertilization increased crude ash, crude protein and digestible crude protein.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- Fer liza on for silage produc one0
- Outcome
- crude ash, crude protein and diges ble crude proteine0
- Direction
- increasese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fer liza on for silage produc on increases the levels of crude ash, crude protein and diges ble crude protein”
t0“corn”
Claim · model-written summary
Silage fertilization increased in vitro organic matter digestibility.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- Fer liza on for silage produc one0
- Outcome
- in vitro organic mater diges bility coe ciente0
- Direction
- increasese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fer liza on for silage produc on increases the levels of crude ash, crude protein and diges ble crude protein as well as in vitro organic mater diges bility coe cient”
t0“corn”
Claim · model-written summary
Both cultivars supplied sufficient energy for milk and beef.
- Taxon
- cornZea mays subsp. mayst0
- Outcome
- energy for milk and beefe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Silages of both cul vars su ce as far as energy for milk and beef is concerned”
t0“corn”
Claim · model-written summary
Silages of both cultivars were deficient in protein, calcium and phosphorus at both fertilization levels.
- Taxon
- cornZea mays subsp. mayst0
- Outcome
- protein, calcium and phosphoruse0
- Qualifier
- at both levels of fer liza one0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“silages of both cul vars are very de cient in protein, calcium and phosphorus at both levels of fer liza on”
t0“corn”
Claim · model-written summary
Silage fertilization increased milk production potential per ton and per hectare.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- Fer liza on level for silage produc one0
- Outcome
- poten al for milk produc on per ton and per hectaree0
- Direction
- greatere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fer liza on level for silage produc on shows greater poten al for milk produc on per ton and per hectare, for both cul vars”
t0“corn”
Claim · model-written summary
The authors recommended silage fertilization and protein and mineral supplementation.
- Taxon
- cornZea mays subsp. mayst0
- Outcome
- Fer liza on level for silage produc on and protein and minerals for animal supplementa one0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fer liza on level for silage produc on and protein and minerals for animal supplementa on is advisable”
t0“corn”
The same questions in other papers
processing · quality: protein · Zea mays (maize)Positive and negative results
11 papers in the same direction as this paper · 4 in the opposite direction
- no effect
- no effect
- no effect
12 papers more in this group
See all 16 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.