Araştırma Makalesi

Nutritive Value and Ruminal Degradation Characteristics of Olive Leaves as Pruning Residues in Antalya Province: An Assessment Using In Vitro Fermentation and In Situ Nylon Bag Techniques

Sayı: Advanced Online Publication Erken Görünüm Tarihi: 7 Kasım 2026
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Nutritive Value and Ruminal Degradation Characteristics of Olive Leaves as Pruning Residues in Antalya Province: An Assessment Using In Vitro Fermentation and In Situ Nylon Bag Techniques

Öz

This study aimed to determine the nutritive value and ruminal fermentation characteristics of olive leaves collected after pruning from six districts of Antalya province (Aksu, Döşemealtı, Kaş, Kumluca, Elmalı and Gazipaşa). Leaf samples were oven-dried at 60 °C and ground through a 1 mm sieve. Dry matter (DM), crude protein (CP), ether extract (EE), crude fibre (CF), neutral detergent fibre (NDF), acid detergent fibre (ADF) and acid detergent lignin (ADL) were determined by standard methods. Cumulative in vitro gas production was recorded at 3, 6, 12, 24 and 48 h with a semi-automated pressure transducer system, using rumen fluid from cannulated Holstein cows. In situ ruminal disappearance was measured by the polyester bag technique at 48 h in two cannulated cows. NDF, ADL and ash contents differed significantly among districts (p < .05). Cumulative gas volume increased with incubation time, and districts differed significantly at 6, 12 and 24 h (p < .05). At 48 h, in situ DM disappearance ranged from 52.02% (Kumluca) to 63.57% (Kaş) and NDF disappearance from 37.72% (Kumluca) to 51.10% (Kaş). Strong positive correlations were found between in vitro and in situ parameters (r = .782–.876; p < .01). Thus, gas production is closely related to ruminal degradation, and the nutritive value of olive leaves varies with geographical origin. Olive leaves have potential as a supplementary roughage for ruminants, but the optimum dietary inclusion level must be established in dose–response trials, and digestibility varies with geographical origin.

Anahtar Kelimeler

Destekleyen Kurum

TÜBİTAK

Proje Numarası

This study was supported by TÜBİTAK within the scope of the 2209-A Undergraduate Research Projects Support Programme (project number 1919B012105285).

Etik Beyan

All animal procedures were formally approved by the Selçuk University Local Ethics Committee for Animal Experiments (Approval No.: 2022/64, Date: 02.06.2022).

Teşekkür

We would like to thank the staff of the Animal Nutrition and Nutritional Diseases Department at Selçuk University Faculty of Veterinary Medicine.

Kaynakça

  1. Ahmed, E., Yano, R., Fujimori, M., Kand, D., Hanada, M., Nishida, T., & Fukuma, N. (2021). Impacts of Mootral on methane production, rumen fermentation, and microbial community in an in vitro study. Frontiers in Veterinary Science, 7, 623817. https://doi.org/10.3389/fvets.2020.623817
  2. Akin, D. E. (1989). Histological and physical factors affecting digestibility of forages. Agronomy Journal, 81(1), 17–25. https://doi.org/10.2134/agronj1989.00021962008100010004x
  3. Ammar, H., Kholif, A. E., Adegbeye, M. J., Anele, U. Y., Morsy, T. A., Abdo, M. M., Gouda, G. A., Azzaz, H. H., Ghzayel, S., Zoabi, H., Abu Aziz, B., López, S., de Haro-Martí, M., & Chahine, M. (2025). Optimizing olive (Olea europaea) leaves as a sustainable ruminant feed: Effects of chemical treatments on nutritional value and greenhouse gas emissions. Animals, 15(5), 705. https://doi.org/10.3390/ani15050705
  4. AOAC. (2005). Official methods of analysis of AOAC International (18th ed.). AOAC International.
  5. Bilal, Y., Bakır, T., & Selçuk, B. (2023). Evelik otunun (Rumex acetosella) kuzu rasyonlarına ilavesinin sindirim derecesine ve fermantasyon parametrelerine etkisinin in vitro gaz üretim tekniği ile belirlenmesi. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi, 26(4), 912–918. https://doi.org/10.18016/ksutarimdoga.vi.1195753
  6. Bilal, Y., & Kamalak, A. (2022). Kuzu rasyonlarına meşe palamudu ilavesinin sindirim derecesine, metabolik enerjisine ve metan üretimine etkisinin in vitro gaz üretim tekniği ile belirlenmesi. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi, 25(Ek Sayı 2), 583–590. https://doi.org/10.18016/ksutarimdoga.vi.1116585
  7. Bilal, Y., Selçuk, B., Bakır, T., Güven, İ., Erer, M., & Kılıç, H. (2024). Maralfa otunun (Miscanthus gigantus) ruminant rasyonlarına yonca kuru otu yerine ikame edilmesiyle in vitro gaz üretimi ve organik madde sindirim parametrelerinin belirlenmesi. AgriTR Science, 6(1), 40–46.
  8. FAO. (2021). FAOSTAT statistical database. Food and Agriculture Organization of the United Nations. https://www.fao.org/faostat/en/

Ayrıntılar

Birincil Dil

İngilizce

Konular

Hayvan Besleme

Bölüm

Araştırma Makalesi

Erken Görünüm Tarihi

7 Kasım 2026

Yayımlanma Tarihi

-

Gönderilme Tarihi

11 Mayıs 2026

Kabul Tarihi

9 Temmuz 2026

Yayımlandığı Sayı

Yıl 2026 Sayı: Advanced Online Publication

Kaynak Göster

APA
İnanç, Z. S., Kuş, N., Yılmaz, B., Kahraman, O., & Arık, H. D. (2026). Nutritive Value and Ruminal Degradation Characteristics of Olive Leaves as Pruning Residues in Antalya Province: An Assessment Using In Vitro Fermentation and In Situ Nylon Bag Techniques. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi, Advanced Online Publication. https://doi.org/10.18016/ksutarimdoga.vi.1949106
AMA
1.İnanç ZS, Kuş N, Yılmaz B, Kahraman O, Arık HD. Nutritive Value and Ruminal Degradation Characteristics of Olive Leaves as Pruning Residues in Antalya Province: An Assessment Using In Vitro Fermentation and In Situ Nylon Bag Techniques. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi. 2026;(Advanced Online Publication). doi:10.18016/ksutarimdoga.vi.1949106
Chicago
İnanç, Zekeriya Safa, Nazlı Kuş, Battal Yılmaz, Oğuzhan Kahraman, ve Huzur Derya Arık. 2026. “Nutritive Value and Ruminal Degradation Characteristics of Olive Leaves as Pruning Residues in Antalya Province: An Assessment Using In Vitro Fermentation and In Situ Nylon Bag Techniques”. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi, sy Advanced Online Publication. https://doi.org/10.18016/ksutarimdoga.vi.1949106.
EndNote
İnanç ZS, Kuş N, Yılmaz B, Kahraman O, Arık HD (07 Kasım 2026) Nutritive Value and Ruminal Degradation Characteristics of Olive Leaves as Pruning Residues in Antalya Province: An Assessment Using In Vitro Fermentation and In Situ Nylon Bag Techniques. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi Advanced Online Publication
IEEE
[1]Z. S. İnanç, N. Kuş, B. Yılmaz, O. Kahraman, ve H. D. Arık, “Nutritive Value and Ruminal Degradation Characteristics of Olive Leaves as Pruning Residues in Antalya Province: An Assessment Using In Vitro Fermentation and In Situ Nylon Bag Techniques”, Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi, sy Advanced Online Publication, Kas. 2026, doi: 10.18016/ksutarimdoga.vi.1949106.
ISNAD
İnanç, Zekeriya Safa - Kuş, Nazlı - Yılmaz, Battal - Kahraman, Oğuzhan - Arık, Huzur Derya. “Nutritive Value and Ruminal Degradation Characteristics of Olive Leaves as Pruning Residues in Antalya Province: An Assessment Using In Vitro Fermentation and In Situ Nylon Bag Techniques”. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi. Advanced Online Publication (07 Kasım 2026). https://doi.org/10.18016/ksutarimdoga.vi.1949106.
JAMA
1.İnanç ZS, Kuş N, Yılmaz B, Kahraman O, Arık HD. Nutritive Value and Ruminal Degradation Characteristics of Olive Leaves as Pruning Residues in Antalya Province: An Assessment Using In Vitro Fermentation and In Situ Nylon Bag Techniques. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi. 2026. doi:10.18016/ksutarimdoga.vi.1949106.
MLA
İnanç, Zekeriya Safa, vd. “Nutritive Value and Ruminal Degradation Characteristics of Olive Leaves as Pruning Residues in Antalya Province: An Assessment Using In Vitro Fermentation and In Situ Nylon Bag Techniques”. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi, sy Advanced Online Publication, Kasım 2026, doi:10.18016/ksutarimdoga.vi.1949106.
Vancouver
1.Zekeriya Safa İnanç, Nazlı Kuş, Battal Yılmaz, Oğuzhan Kahraman, Huzur Derya Arık. Nutritive Value and Ruminal Degradation Characteristics of Olive Leaves as Pruning Residues in Antalya Province: An Assessment Using In Vitro Fermentation and In Situ Nylon Bag Techniques. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi. 07 Kasım 2026;(Advanced Online Publication). doi:10.18016/ksutarimdoga.vi.1949106

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