Aşkın Galiç

Effects of stall type and bedding materials on lameness and hygiene score and effect of lameness on some reproductive problems in dairy cattle

This study determined the effects of two different stall types and three different bedding materials on lameness during June 2009. Effect of lameness was also examined and was searched between hygiene score and reproductive problems in this study. Seven hundred and nine cows that housed a total of 37 dairy herds were examined, and locomotion score (lameness) of cows that were housed in free-stall was found lower than tie-stall on concrete bedding (P<0.05). Locomotion score was compared only in the free-stall herds between different bedding materials, and there were no significant differences between mean of locomotion scores on concrete, sand or rubber bedding in this study. Herds that have higher mean of hygiene score was seen also have higher mean of locomotion score (r=0.649, P<0.01) and it was determined that retained placenta and repeat breeding were dependent on lameness.

The effects of thermal manipulation during early and late embryogenesis on hatchability, hatching weight and body weight in Japanese quails (Coturnix coturnix japonica)

Abstract. This study aimed to determine the effects of thermal manipulation during early embryogenesis (EE) and late embryogenesis (LE) on hatching weight, body weight at 5 weeks of age, hatchability and embryonic mortality rate in Japanese quails (Coturnix coturnix japonica). Incubation conditions from day 0 to day 17 were; 37.7 °C and 55 % relative humidity for control group. In the thermally treated eggs during early embryogenesis (EE6-EE8 days), incubation temperature was increased to 41 °C and relative humidity to 65 % for 3 hours (12.00-15.00) at 3 consecutive days. Also, in the late embryogenesis stage (LE12-LE14 days), incubation temperature was increased to 41 °C and relative humidity to 65 % 3 hours (12.00–15.00) at 3 consecutive days. At hatch in each trial, all chicks were wing-banded and individually weighted. Thermal manipulations had significant effect on hatching weight, and lowest hatching weights were found in late embryogenesis (LE) group in terms of male and female. In addition, thermal manipulations and gender had significant effect on body weight at 5 weeks of age and lowest body weights at 5 weeks of age were dedected in late embryogenesis (LE) group for both gender.

Effects of egg weight on egg quality traits in partridge (Alectoris Chukar)

In this study, the aim was to determine the internal and external quality traits of partridge (Alectoris chukar) eggs as well as the Pearson correlation coefficients among these traits. For use in this research, a total of 200 partridge eggs were collected over three sequential days. The partridges were housed at the Research Unit of Animal Science, Faculty of Agriculture, University of Akdeniz. The eggs were categorized according to weight and classified as ≤19.0 g, 19.1–20.0 g, 20.1–21.0 g and ≥21.1 g. Average eggshell thickness was highest in groups of 20.1–21.0 g and ≥21.1 g. In contrast, lowest eggshell weight was calculated in groups of ≤19.0 g and 19.1–20.0 g. In this study, egg shape index, yolk index, Haugh unit, albumen width and unit surface shell weight were not significantly affected by egg weight groups. Whereas egg length, egg width, shell weight, shell thickness, shell surface area, egg volume, yolk weight, yolk height, yolk width, yolk ratio, albumen height, albumen length, albumen weight, albumen index, albumen ratio and yolk/albumen ratio were significantly affected by egg weight groups. At the same time, there was found a significant relationship amongst the internal and external egg quality traits.

Comparison of milk yield and animal health in Turkish farms with differing stall types and resting surfaces.

The current study was carried out to determine the influence of different resting surfaces and stall types on milk yield and animal health. Study was carried out in Bursa that is one of the most important cities of Turkey in terms of dairy production. Effects of resting surfaces and stall types on milk yield were found to be important. Also influence of different resting surfaces and stall types on lactation length was examined and found that rubber mats were different from the two other options. Relationships between different resting surfaces or stall types and health problems were examined and connection between stall type and repeat breeding (RB), dystocia, retained placenta and a connection between resting surface types and RB and clinical mastitis were found to be important. Considering their economic reflections, it can be said that results are quite important to the Turkish dairy industry.

The effects of thermal manipulations during early and late embryogenesis on body temperatures of Japanese quails (Coturnix coturnix japonica)

The aim of this study was to determine the effect of thermal manipulations during early embryogenesis (EE) and late embryogenesis (LE) on body temperature of Japanese quails (Coturnix coturnix japonica). Incubation conditions from day 0 to day 17 were 37.7°C and 55% relative humidity for control group. In the thermally treated eggs during EE (EE6, EE7 and EE8 days), incubation temperature was increased to 41°C and relative humidity to 65% for 3 hours (12:00–15:00) on the sixth, seventh and eighth days of incubation. Also, in the LE stage (EL12, EL13 and EL14 days), incubation temperature was increased to 41°C and relative humidity to 65% for 3 hours (12:00–15:00) on the 12th, 13th and 14th days of incubation. Average temperature, relative humidity and total heat of indoor air were changed from 28.71 to 30.44°C, from 45.69 to 57.15% and from 14.67 to 16.16 kcal kg–1 dry air, respectively. Higher total heat of indoor air in 10–11 weeks than that of other weeks was found. Significant differences between the control (41.52±0.26°C) and manipulation groups were found, but no significant difference between the EE (41.23±0.40°C) and LE (41.26±0.37°C) groups with respect to body temperatures. Body temperatures of quails were measured as 41.55±0.31°C, 41.56±0.26°C; 41.17±0.33°C and 41.07±0.30°C at 10, 11, 12 and 13 weeks of age, respectively. In addition, differences among the weeks in point of body temperatures of quails were found to be significant (p<0.01).

Effects of Season and Line on Sexual Maturity and Some Egg Yield Traits in Selected Japanese Quails (Coturnix Coturnix japonica)

Abstract Alkan, S., Karabag, K., Galic, A. and Balcioglu, M.S. 2009. Effects of season and line on egg yield traits in Japanese quails. J. Appl. Anim. Res., 35: 105–108. This study was conducted to determine the effects of season and lines on age at sexual maturity, body weight at sexual maturity and some egg yield traits in 11 generations of selected Japanese quail. The material used in this research was selected from high (HL) or low (LL) body weight Japanese quail lines according to 5-week body weights and their random bred control line and layer line (L) for 120 d egg production. Average egg weight was the lowest in summer and in LL line, which also had lowest total egg number, total egg weight and hen day egg production. Maximum eggs were produced by L line, while heaviest eggs were produced by HL line. The highest and lowest ages at sexual maturity were determined in winter and summer seasons, respectively. Also, the heaviest first egg weight was found in winter season. It is concluded that lines and seasons generally affected quail egg production.