Skrmovanie prepelicieho trusu v krmnych zmesiach bez zivocisnych bielkovin u japonskych prepelic.
1995
Chrappa V. | Sabo V. | Mravcova I.
Investigations are described aimed at determining the productive effect of feeding dried uncultivated and cultivated quail droppings (together with pupae of Musca domestica) in feed mixes with animal-protein feeds as well as vegetable-protein feeds to Japanese quail.Droppings feeding in mixes with animal proteins did not significantly influence egg production and weight (P<0.05), while administration of mixes with vegetable proteins decreased these indicators only in significantly (by 2.9 % and 3.8 %, resp.) in uncultivated droppings; in cultivated droppings the decrease was significant (by 4.9 % and 6.6 %, resp.). The base mixture with vegetable proteins did not affect laying intensity, but egg weight decreased by 6.6 % (P<0.05). The quail with dietary droppings consumed by 10.4 to 12.8 % more of all feed but by 10.2 to 11.7 % less of grains (P<0.01) regardless of protein composition. Differences in feed conversion were proportionately worse to a reduction in egg weight. The ratio of fresh droppings produced to ingested feed increased from 0.55 to 0.60 and 0.61 for mixes with animal proteins, and from 0.59 to 0.62 and 0.63 in mixes with vegetable proteins. In uncultivated droppings, a trend of an increase in crude protein content and of a decrease in digestible crude protein in dried droppings was observed for mixes with animal proteins, while in cultivated droppings a decrease in both indicators was observed for mixes with vegetable proteins. Feeding in mixes with vegetable proteins decreases egg weight while the feeding of cultivated droppings also lowers egg production.
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Эту запись предоставил Wolters Kluwer