Süt sığırcılığı işletmelerinde fertilite bozukluklarından kaynaklanan finansal kayıpların hesaplanması

Aral, Yılmaz; Murat, Hakan; Aydın, Erol; Sarıözkan, Savaş

doi:10.1501/vetfak_0000002501

Cited by 6 publications

(1 citation statement)

References 8 publications

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“…In this research, according to the size of the farm, the daily milk yield was 18.6 lt (5204.2 lt/year) in small (1-5 heads) farms, 20.0 lt (5611.8 lt/year) in medium (6-9 head) farms and 26.3 lt (7685.7 lt/year) in large (10 and above head) farms. In the research conducted by Sarıözkan et al (30) in Kayseri, the daily milk yield was determined to be 22.7 liters per cow, and the lactation milk yield was found to be 6925 liters per cow. In another research conducted in İzmir (22), the daily milk yield per cow was 21.40 kg and the milk yield obtained in a lactation period was 5711.9 kg.…”

Section: Discussionmentioning

confidence: 97%

The Effect of Dairy Farm Size on the Economic Structure and Feed Consumption: A Case Study of the Aegean Region

GÜLER,

SANER

2023

Ankara Üniversitesi Veteriner Fakültesi Dergisi

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Dairy farming has an important place in the agricultural activities in Türkiye. Cow's milk production constitutes 92.11% of the total milk production in Türkiye. The purpose of this study is to demonstrate the effect of scale size on the economic structure and feed consumption in dairy farms. The research data were obtained from face-to-face surveys conducted with 143 farmers in the Aegean Region. In the study, the farms were divided into four groups based on the number of cows: 5-15 cows, 16-25 cows, 26-40 cows, and 41 cows and above. The total variable cost per livestock unit in the 4th group farms was 26.07% less than the farms in the 1st group. The total production cost per livestock unit in the largest farm group is 25.81% less than that of the smallest farm group. The research findings indicate that large-scale farms take advantage of economies of scale, resulting in lower cost per livestock unit. Additionally, it was observed that as farm size increases, the feed conversion ratio also increases. As farms grow larger, they often have access to economies of scale, better management practices, and improved infrastructure.

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Section: Discussionmentioning

confidence: 97%

The Effect of Dairy Farm Size on the Economic Structure and Feed Consumption: A Case Study of the Aegean Region

GÜLER,

SANER

2023

Ankara Üniversitesi Veteriner Fakültesi Dergisi

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Factor XI mutation in normally fertile and repeat breeding Holstein cows in the Middle Anatolian region of Turkey: a financial approach

2012

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The aim of this study was to compare the prevalence of factor XI deficiency (FXID) carriers and potential financial losses depending on ‘extended calving interval’ and ‘extra service’ in normally fertile and repeat breeder cows in Turkey. For this purpose, a total of 161 Holstein cows were genotyped for the FXI gene mutation originating from various herds located in the Middle Anatolian region of Turkey. In the study, animals were divided into two groups – normally fertile (n = 118) and repeat breeding (n = 43) cows. In each group, one FXID carrier animal was identified and the prevalence of the FXID carrier was found to be 0.85 and 2.33% in normally fertile and repeat breeder cows, respectively. In a financial analysis, it was determined that extended calving interval in a normally fertile cow caused $246 losses and $546 losses in a repeat breeder cow. Additionally, financial losses due to extra service per conception were calculated as $12 and $36 per cow in normally fertile and repeat breeder cows, respectively. In normally fertile and repeat breeder cows, the sum of losses due to extended calving interval and extra service was calculated as $258 (246 + 12) and $582 (546 + 36). This study found that a repeat breeder cow causes an extra $324 ($582 – $258) financial loss compared with a normally fertile cow. Consequently, unlike other genetic disorders like BLAD and DUMPS, which do not decrease the performance of carrier animals, the mutant FXI allele could lead to repeat breeder syndrome in FXID carrier cows and cause important financial losses in dairy farms.

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Financial losses due to fertility problems in Anatolian Dairy Buffalo

Çiçek

Uyarlar

2016

IJAR

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This study was performed to determine the financial losses due to fertility problems in Anatolian Dairy Buffaloes. The study material was lactation average values of Anatolian Dairy Buffalo. Age at first calving and calving interval were evaluated as fertility parameters. The financial losses relevant to one-day extension of these parameters were calculated. Bull cost was determined as per pregnancy, due to natural mating usually occurs in Anatolian Buffalo. The prices of calf, milk and feed were used in calculations. Accordingly, financial losses of one-day extension per animal in age at first calving and calving interval estimated were US$ 8.88 and US$ 6.07, respectively. When bull cost per pregnancy (US$ 6.49) was included, total losses were detemined as US$ 21.44. As a conclusion, it was determined that fertility losses may be induced in age at first calving and calving interval according to the deviations of target values. It was emphasized that financial losses might be reduced with improving of environmental factors in buffaloes which have important fertility disadvantages according to dairy cattle.

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Süt sığırcılığı işletmelerinde fertilite bozukluklarından kaynaklanan finansal kayıpların hesaplanması

Cited by 6 publications

References 8 publications

The Effect of Dairy Farm Size on the Economic Structure and Feed Consumption: A Case Study of the Aegean Region

The Effect of Dairy Farm Size on the Economic Structure and Feed Consumption: A Case Study of the Aegean Region

Factor XI mutation in normally fertile and repeat breeding Holstein cows in the Middle Anatolian region of Turkey: a financial approach

Financial losses due to fertility problems in Anatolian Dairy Buffalo

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