Fattening calves using vegetable waste and sunflower

Abstract

The results of wholesale on the use of waste of vegetable crops and sunflower when fattening gobies of the black-and-white breed are given. Six groups of uncastrated bulls were formed: control, I experienced, II experienced, III experienced, IV experienced and V experienced (on the principle of analogous groups, taking into account age and body weight and origin). All gobies (control and experimental groups) were given 17.2 kg of silage from cereal perennial grasses and 3.65 kg of mixed feed and 9.5 kg of brewer’s grain, 80g of fodder chalk each. The gobies of the experimental groups were given various wastes of vegetable crops and sunflower (at 30 g / head / day): I experienced — did not feed them, II experienced — pepper stalks, III experimental — sunflower stalks, IV experimental — cucumber stalks, V experimental — stalks tomatoes (in the form of flour). The live weight of bulls when removed from fattening for the control group is 297.0 ± 0.19 kg, the experienced ones - from 304.6 ± 0.12 kg (hay with KKS and without feed additives) to 317.7 ± 0.24 kg (114.7%, tomato stalks). Average daily gains in live weight are from 801 ± 14.6 g (hay with CCR) to 874 ± 16.7 (tomato stalks, P <0.001) versus 762 ± 16.4 g in the gobies of the control group.

Application of a New Engineered Strain of Yarrowia lipolytica for Effective Production of Calcium Ketoglutarate Dietary Supplements

“…It is worth noting that calcium carbonate is a safe and regular feed component. In feeding, it is commonly introduced in the form of fodder chalk added to balance animals’ diets with calcium and prevent metabolic disorders, resulting in poor feed utilization and bone loss, especially in young livestock [ 58 , 59 ]. Calcium carbonate is also applied in medicine, e.g., for prevention or therapy of osteoporosis [ 60 ].…”