caa a22 4500 397569033 CHVBK 20180308164836.0 cr unu---uuuuu 161202e199607 xx s 000 0 eng 10.3382/ps.0750854 doi (NATIONALLICENCE)oxford-10.3382/ps.0750854 BARTON T. LIONEL University of Arkansas, Fayetteville, Arkansas 72701 Relevance of Water Quality to Broiler and Turkey Performance [Elektronische Daten] [T. LIONEL BARTON] Water was tested from 300 broiler farms in Arkansas in cooperation with three integrated poultry companies, each having at least two locations in the state. The turkey study was conducted in cooperation with three integrated turkey companies with samples from 100 turkey farms, although the numbers were not equal among companies. Performance criteria collected were body weight, feed conversion, livability, and condemnation. In the overall analysis in the broiler study, nitrate had a detrimental effect on performance. Calcium was negatively correlated with adjusted conversion; i.e., conversion improved as calcium increased. Magnesium was positively correlated with adjusted conversion, or had an adverse effect on conversion. Dissolved oxygen, bicarbonate, hardness, calcium, and magnesium were all positively correlated with adjusted weight but nitrate was negatively correlated with adjusted weight. Calcium and potassium were negatively correlated with livability and calcium and nitrate were positively correlated with condemnation. The bacterial results showed no significant difference between top and bottom producers for either Pseudomonas or Escherichia coli. In the turkey study, calcium, magnesium, bicarbonate, hardness, and aggressive index were beneficial to feed conversion. Phosphate and ammonia were detrimental to feed conversion. Calcium, magnesium, dissolved oxygen, zinc, hardness, and aggressive index were all positively correlated with adjusted body weight. Magnesium was negatively correlated with livability. Magnesium and aggressive index were positively correlated with condemnation and potassium, zinc, nitrate, and phosphate were negatively correlated with condemnation. Although fewer farms were involved in the turkey study, the results generally support the results of the broiler study. © 1996 Poultry Science Association, Inc. Environment and Health nationallicence water quality nationallicence nitrate nationallicence hardness nationallicence dissolved oxygen nationallicence aggressive index nationallicence Poultry Science Oxford University Press 75/7(1996-07), 854-856 0032-5791 75:7<854 1996 75 ps https://doi.org/10.3382/ps.0750854 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.3382/ps.0750854 text/html Onlinezugriff via DOI NATIONALLICENCE 100 1- BARTON T. LIONEL University of Arkansas, Fayetteville, Arkansas 72701 NATIONALLICENCE 773 0- Poultry Science Oxford University Press 75/7(1996-07), 854-856 0032-5791 75:7<854 1996 75 ps Metadata rights reserved CC BY-NC-4.0 http://creativecommons.org/licenses/by-nc/4.0 nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-oxford