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The effects of sodium butyrate supplementation to concentrate on rumen development and fattening performance were investigated in this study. The lambs were divided into two groups, namely the control (KN) and the experimental (SB), each consisting of 27 individuals. Roughage and concentrate feeds were given ad libitum to the groups. Concentrates of the groups had similar composition, but experimental group contained 0.4% sodium butyrate. All lambs weighed at the beginning, lambs 45 days old, the weaning and end of the trial. Feed consumption of the groups was weighed. At the end of the trial, during slaughtering, hot carcass of the groups weighed. The length and thickness of the rumen papilla were measured in 3 lambs randomly selected from each group. It was observed that the total body weight gains of SB were higher on the lambs 45th and 105th days old compared to KN (p<0.05). Mean hot carcass efficiency of SB were higher than KN (p<0.05). At the end of the research, the average total dry matter consumption of KN was 4.01 kg more than the SB. One kg carcass cost of the SB was lower than the KN. It was determined that the rumen papilla lengths and thicknesses of KN were higher than SB. It can be said that the sodium butyrate addition into concentrate feed provides higher body weight and carcass yield. Moreover, it has been concluded that it would be beneficial to perform histological examinations before weaning regarding the effects on rumen development. [ABSTRACT FROM AUTHOR]

This study was carried out to determine the species identification and prevalence of Eimeriosis in lambs in Balikesir province. A total of 600 fecal samples were collected from 4 different farms in central Balikesir, Edremit, Bigadic, and Bandirma. Animals included in the study were in the age range of 30-60, 60-90, 90-120 days. A total of 50 animals as 25 males and 25 females were selected for each age range. Eimeriosis was detected in 438 (73%) of six hundred animals analyzed by Mc Master method. 110 (73.33%) of 150 animals in Balıkesir center, 108 (72%) of 150 animals in Edremit, 96 (64%) of 150 animals in Bigadiç and 124 (82.66%) of 150 animals in Bandırma were found Eimeria positive. Seven different Eimeria species were detected and all observed on all four farms. Mixed infections with a minimum of three and a maximum of six Eimeria species were detected in Eimeria-positive animals. Pathogenic species Eimeria ahsata, Eimeria ovinoidalis and Eimeria bakuensis were detected in infected lambs. In terms of general infection rates, Eimeria ahsata in 367 (83.78%), Eimeria parva in 331 (75.57%), Eimeria ovinoidalis in 310 (70.77%), Eimeria bakuensis in 306 (69.86%), Eimeria faueri in 278 (63.47%), Eimeria intricata in 260 (59.36%), and Eimeria pallida in 250 (57.07%) of 438 were found positive. In this study, the prevalence of Eimeria species and the species responsible for the infection in lambs reared in Balıkesir province were determined for the first time. [ABSTRACT FROM AUTHOR]