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Articles 1 - 7 of 7
Full-Text Articles in Life Sciences
Digestibility Of Two Complete Pelleted Diets By The Horse (Equus Caballus) As A Model Animal For Nondomestic Hindgut Fermenters, Emily M. Schwartz
Digestibility Of Two Complete Pelleted Diets By The Horse (Equus Caballus) As A Model Animal For Nondomestic Hindgut Fermenters, Emily M. Schwartz
Master's Theses
Estimating nutrient and energy requirements of exotic animals is a necessary component of nutrition management in zoos and other wildlife facilities. In the absence of species-specific data, domestic animal models are often referenced. Herbivorous hindgut fermenters, such as horses, zebra, and rhinoceros, rely on microbial fermentation in the cecum and colon to utilize dietary structural carbohydrates. The study objective was to measure the digestible energy of two (LOW, HIGH) complete pelleted diets by the horse as a model for nondomestic hindgut fermenters. Seven, individually housed, adult Quarter Horse (Equus caballus) geldings were assigned to one of two diets as 100% …
Phytogenic Feed Additives As An Alternative To Antibiotic Growth Promoters In Broiler Chickens, G. R. Murugesan, Basharat Syed, Sudipto Haldar, Chasity Pender
Phytogenic Feed Additives As An Alternative To Antibiotic Growth Promoters In Broiler Chickens, G. R. Murugesan, Basharat Syed, Sudipto Haldar, Chasity Pender
G. R. Murugesan
The recent trend toward reduction of antibiotic growth promoters (AGP) in North American poultry diets has put tremendous pressure on the industry to look for viable alternatives. In this context, phytogenic feed additives (PFA) are researched to improve gut health and thereby performance. An experiment was conducted with the objective to evaluate the effects of PFA as an alternative to AGP on small intestinal histomorphology, cecal microbiota composition, nutrient digestibility, and growth performance in broiler chickens. A total of 432, day-old Vencobb 400 broiler chicks were randomly assigned to one of three dietary groups, each consisting of 12 replicate pens …
Effect Of Organic Zinc Supplementation On Growth, Nutrient Utilization, And Plasma Zinc Status In Lambs, Mokhtar Mallaki, Mohammad Ali Norouzian, Ali Akbar Khadem
Effect Of Organic Zinc Supplementation On Growth, Nutrient Utilization, And Plasma Zinc Status In Lambs, Mokhtar Mallaki, Mohammad Ali Norouzian, Ali Akbar Khadem
Turkish Journal of Veterinary & Animal Sciences
Two experiments were conducted to investigate the effect of supplemental zinc (Zn) on performance, nutrient digestibility, and plasma Zn status in Zandi lambs. In experiment 1, 18 male lambs (BW = 21.30 ± 0.55 kg) were fed a basal diet containing 22.8 mg Zn/kg dry matter (DM) with no supplemental Zn (control) or 20 mg of supplemental Zn/kg of DM from Zn sulfate (ZnS) or Zn peptide (ZnP). Average daily gain and dry matter intake were higher for the lambs fed the diet supplemented with ZnP. Feed conversion ratio was significantly (P < 0.05) lower in the ZnP group compared to the control and ZnS groups. In experiment 2, an in vitro gas production technique was used to evaluate the effects of zinc source on the gas production parameters. Rate of gas production after 6 h and total production of gas after 24 and 48 h did not differ between groups. In vitro DM digestibility, short-chain fatty acids, and ME content were increased (P < 0.05) by ZnP supplementation when compared to the ZnS and control groups. The results of this study showed that feeding ZnP improves performance and digestibility of DM and could result in higher metabolizable energy and short-chain fatty acid yield.
Effects Of Fermented Cottonseed Meal On The Growth Performance, Apparent Digestibility, Carcass Traits, And Meat Composition In Yellow-Feathered Broilers, Cunxi Nie, Wenju Zhang, Wenxia Ge, Yongqiang Wang, Yangfeng Liu, Jiancheng Liu
Effects Of Fermented Cottonseed Meal On The Growth Performance, Apparent Digestibility, Carcass Traits, And Meat Composition In Yellow-Feathered Broilers, Cunxi Nie, Wenju Zhang, Wenxia Ge, Yongqiang Wang, Yangfeng Liu, Jiancheng Liu
Turkish Journal of Veterinary & Animal Sciences
The effects of supplementing broilers' diets with fermented cottonseed meal (FCSM) on the broilers' performance, apparent digestibility, carcass traits, and meat composition were studied. A total of 180 yellow-feathered chickens of 21 days old were randomly divided into three groups (six replicates of 10 broilers each): 1) a control group (Con), 2) a treatment group of FCSM by Candida tropicalis (Ct), and 3) a treatment group of FCSM by C. Tropicalis plus Saccharomyces cerevisiae (Ct-Sc). Results showed that FCSM supplementation improved the average daily gain and gain-to-feed ratio from the 43rd to 64th and the 21st to 64th day, respectively …
Genomic Approaches For Dissecting Complex Traits Related To Quality Production Of Range Grasses, Masumi Ebina
Genomic Approaches For Dissecting Complex Traits Related To Quality Production Of Range Grasses, Masumi Ebina
IGC Proceedings (1997-2023)
Tropical grasses have been widely used as warm-season forage grasses in the warm temperate zone since the early 20th century because of their high yields; they have also been used as perennial forages in their native tropical areas. Increasing demand for animal production sparked by economic development in tropical countries is requiring breeders to improve native forage grasses in these countries. Considerable efforts have been made to breed accessions with improved characteristics and to develop new cultivars. However, cross-breeding is not common, owing to a lack of genetic information and to complexities related to polyploidy, high sterility rates, outcrossing, and …
The Effects Of Red Grape Pomace Inclusion In Grower Diet On Amino Acid Digestibility, Intestinal Microflora, And Sera And Liver Antioxidant Activity In Broilers, Martina Lichovnikova, Libor Kalhotka, Vojtech Adam, Borivoj Klejdus, Vojtech Anderle
The Effects Of Red Grape Pomace Inclusion In Grower Diet On Amino Acid Digestibility, Intestinal Microflora, And Sera And Liver Antioxidant Activity In Broilers, Martina Lichovnikova, Libor Kalhotka, Vojtech Adam, Borivoj Klejdus, Vojtech Anderle
Turkish Journal of Veterinary & Animal Sciences
The objective of this study was to evaluate the effect of dietary red grape pomace (RGP) on amino acid digestibility (AIAAD), intestinal microflora, and antioxidant activity in the sera and liver. Sixty-six broilers were housed in battery cages. They were allocated to six cages corresponding to two dietary treatments with three replicates of each treatment. The treatments were administered from 10 to 36 days and included a control diet and a diet containing 1.5% RGP dry powder with the other components remaining unchanged, compared to the control. The RGP had a significant (P < 0.05) positive effect on the apparent metabolizable energy. The majority of coefficients of AIAAD were higher in the RGP. The ileal digestibility of threonine, serine, proline, and glycine was significantly (P < 0.05) higher in RGP. RGP had a positive effect (P < 0.05) on the content of Lactobacillus in the lower part of the ileum. The blood sera of broilers fed RGP had significantly (P < 0.05) lower 2,2-diphenyl-1-picrylhydrazyl (DPPH) and uric acid content. The RGP at a concentration of 15 g/kg in the grower diet did not affect the growth of broilers, and RGP is suitable for broiler diets to improve gastrointestinal tract functionality.
Effects Of Cobalt Source On Rate And Extent Of Dry Matter And Fiber Degradation In Vitro, F. Vargas-Rodriguez, Gail Carpenter, J. Defrain, B. Bradford
Effects Of Cobalt Source On Rate And Extent Of Dry Matter And Fiber Degradation In Vitro, F. Vargas-Rodriguez, Gail Carpenter, J. Defrain, B. Bradford
Kansas Agricultural Experiment Station Research Reports
Positive effects on fiber degradation have been observed when supplemental cobalt was fed to ruminants. This study tested the effects of cobalt carbonate (CoCarb) and cobalt glucoheptonate (CoGH) at different concentrations on in vitro fermentation rate, fermentation end-product concentrations, and degradation of feed dry matter and neutral detergent fiber. Compared to CoCarb, CoGH increased dry matter disappearance and neutral detergent fiber degradation when added at 1 part per million (ppm) cobalt or less. Furthermore, CoGH had limited effects on the biohydrogenation of long chain fatty acids, whereas CoCarb appeared to stimulate this process when added at more than 3 ppm …