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The effect of dietary yellow lupine (L. luteus cv. Baryt) on growth performance, carcass characteristics, meat quality and selected serum parameters of turkeys

100%

Krawczyk M., Mikulski D., Przywitowski M., Jankowski J.

Journal of Animal and Feed Sciences

2015

tom 24

nr 1

This study evaluated the effects of dietary replacement of soyabean meal (SBM) with yellow lupine seed meal (YLM) in turkeys. A total of 1120 one-day-old Hybrid Converter female turkeys were fed diets containing 0%, 8%, 16% and 24% of YLM (LM0 , LM8 , LM16, LM24, respectively) in a 16-week experiment. In the first phase of feeding (weeks 0–4), an increase in the YLM content of diets caused a linear decrease in feed intake (FI) and body weight gain (BWG) and the noted differences were significant (P < 0.001) in group LM24. In 16-week-old turkeys, dietary inclusion of lupine at up to 24% had no adverse effects on FI, BWG or feed conversion. Experimental diets had no influence on the analysed serum parameters or mortality of turkeys or on the incidence of footpad dermatitis. No significant changes in carcass and muscle yields were observed. Group LM24 turkeys were characterized by significantly (P = 0.033 vs LM0 ) higher relative gizzard tissue weight. The abdominal fat content tended to increase (P = 0.055 vs LM0 ) in birds fed lupine-based diets. A linear increase (P < 0.001) in the concentrations of polyunsaturated fatty acids was noted in meat from turkeys fed lupine-based diets; this did not change the n-6/n-3 PUFA ratio, but improved the values of the atherogenic and thrombogenic indices. Diets containing YLM had no influence on the chemical composition, physicochemical properties or sensory attributes of turkey meat. In conclusion, starter diets containing 24% YLM could have an adverse influence on bird performance. Yellow lupine seeds can be added to diets for older turkeys at up to 24% as an effective substitute for SBM without affecting the key variables of performance and without negative effects on meat quality

The effect of varying levels of high- and low-tannin faba bean (Vicia faba L.) seeds on gastrointestinal function and growth performance in turkeys

76%

Przywitowski M., Mikulski D., Jankowski J., Juskiewicz J., Mikulska M., Zdunczyk Z.

Journal of Animal and Feed Sciences

2017

tom 26

nr 3

A two-factor experiment was conducted to evaluate the effect of varying dietary levels (10, 20 and 30%) of faba bean (FB; Vicia faba L.) seeds with high- and low-tannin content (HT and LT, respectively) on the gastrointestinal function and performance of turkeys during the last 6 weeks of rearing. In the control group (FB0 ), birds were fed maize-soyabean meal-based diets. In comparison with HT FB seeds, in LT seeds lower content of condensed tannins (0.78 vs 0.08% DM) was determined. Different dietary inclusion levels of HT and LT FB had no influence on feed intake or viscosity and pH of small intestinal digesta, and the pH of caecal digesta as compared with FB0 . In comparison with HT FB, LT seeds increased ammonia concentrations, decreased pH and reduced activity of microbial α-glucosidase in the caecal digesta. All diets containing FB stimulated the activity of β-glucuronidase in comparison with diet FB0 . In turkeys fed LT seeds the production of short-chain fatty acids (SCFAs) was higher than in birds fed HT FB. Body weight gains of turkeys were comparable in all groups, however feed conversion ratio was lower in groups fed LT than HT FB seeds. So, FB enhanced fermentation processes in the gastrointestinal tract of turkeys, but had no influence on their performance. Both LT and HT FB seeds can be included in finisher turkey diets (up to 30%) as an effective substitute for soyabean meal. FB with lower tannin content improved selected parameters of gastrointestinal function, including increased SCFA production in the caeca and so improved feed efficiency

Ograniczanie wyników

2 Journal of Animal and Feed Sciences

2 Jankowski J.

2 Mikulski D.

2 Przywitowski M.

1 Juskiewicz J.

1 Krawczyk M.

1 Mikulska M.

1 Zdunczyk Z.

1 2017

1 2015

Wyniki wyszukiwania

The effect of dietary yellow lupine (L. luteus cv. Baryt) on growth performance, carcass characteristics, meat quality and selected serum parameters of turkeys

The effect of varying levels of high- and low-tannin faba bean (Vicia faba L.) seeds on gastrointestinal function and growth performance in turkeys