Editing Nitrate (section)

== Domestic animal feed ==
Symptoms of nitrate poisoning in domestic animals include increased heart rate and respiration; in advanced cases blood and tissue may turn a blue or brown color. Feed can be tested for nitrate; treatment consists of supplementing or substituting existing supplies with lower nitrate material. Safe levels of nitrate for various types of livestock are as follows:<ref>{{cite web | url=http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/faq8911 | title=Nitrate Risk in Forage Crops - Frequently Asked Questions | publisher=Government of Alberta | work=Agriculture and Rural Development | access-date=October 30, 2013}}</ref>

{| class="wikitable"
|-
! Category !! %NO<sub>3</sub> !! %NO<sub>3</sub>–N !! %KNO<sub>3</sub> !! Effects
|-
| 1 || <&nbsp;0.5 || <&nbsp;0.12 || <&nbsp;0.81 || Generally safe for beef cattle and sheep
|-
| 2 || 0.5–1.0 || 0.12–0.23 || 0.81–1.63 || Caution: some subclinical symptoms may appear in pregnant horses, sheep and beef cattle
|-
| 3 || 1.0 || 0.23 || 1.63 || High nitrate problems: death losses and abortions can occur in beef cattle and sheep
|-
| 4 || <&nbsp;1.23 || <&nbsp;0.28 || <&nbsp;2.00 || Maximum safe level for horses. Do not feed high nitrate forages to pregnant mares
|}

The values above are on a dry (moisture-free) basis.