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Nutritional value of an extruded spent hen-soybean meal blend for pigs and ruminants
Journal of the science of food and agriculture, 2000-09, Vol.80 (11), p.1648-1654
Mustafa, Arif F
Qiao, Shiyan Y
Thacker, Philip A
McKinnon, John J
Christensen, David A
2000
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Mustafa, Arif F
Qiao, Shiyan Y
Thacker, Philip A
McKinnon, John J
Christensen, David A
Titel
Nutritional value of an extruded spent hen-soybean meal blend for pigs and ruminants
Ist Teil von
Journal of the science of food and agriculture, 2000-09, Vol.80 (11), p.1648-1654
Ort / Verlag
Chichester, UK: John Wiley & Sons, Ltd
Erscheinungsjahr
2000
Quelle
Wiley Online Library - AutoHoldings Journals
Beschreibungen/Notizen
Two studies were conducted to determine the feeding value of an extruded spent hen meal–soybean meal (SHSB) blend (50:50 spent hen/soybean meal) for pigs and ruminants. In the first trial, 60 crossbred pigs were assigned to one of five dietary treatments in which 0, 25, 50, 75 or 100% of soybean meal was replaced by the SHSB blend as a protein source. Total tract nutrient digestibility coefficients (obtained using the indicator method) were determined using six barrows per treatment. Results showed that digestibility coefficients for dry matter, crude protein (CP) and gross energy were not affected (P > 0.05) by the inclusion of the SHSB blend in the diet and averaged 75.3, 74.3 and 74.0% respectively. Average daily gain during the growing period (22–54 kg) increased (P < 0.05) as the level of the SHSB blend increased to 50% of the supplementary protein. However, higher replacement levels reduced the average daily gain of growing pigs (quadratic effect P = 0.037). Inclusion of the SHSB blend had no effect on average daily gain during the finishing period (54–76 kg). Feed intake decreased linearly (P = 0.042) as the level of the SHSB blend in the diet increased. Consequently, feed conversion improved linearly (P = 0.001) in response to increased levels of the SHSB blend. Two ruminally fistulated cows were used in the second trial to determine the ruminal degradability of the SHSB blend relative to meat meal, canola meal and brewers' grains. Effective ruminal CP degradability of the SHSB blend was similar to brewers' grains, lower (P < 0.05) than canola meal and higher (P < 0.05) than meat meal. The estimated ruminal undegraded protein value for the SHSB blend, meat meal, canola meal and brewers' grains was 547, 593, 417 and 546 g kg−1 of CP, respectively. It was concluded that the SHSB blend could replace 50% of soybean meal during the growing period and 100% during the finishing period with no adverse effects on pig performance. The SHSB blend could serve as a source of both ruminal degraded and undegraded protein for ruminants. © 2000 Society of Chemical Industry
Sprache
Englisch
Identifikatoren
ISSN: 0022-5142
eISSN: 1097-0010
DOI: 10.1002/1097-0010(20000901)80:11<1648::AID-JSFA696>3.0.CO;2-1
Titel-ID: cdi_proquest_miscellaneous_27634363
Format
–
Schlagworte
pig performance
,
ruminal degradability
,
spent hen
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