Yüksek Nitratlı Diyetle Beslenen Ankara Keçilerinde Tiroid Hormonları Üzerine Kükürt İlavesinin Etkileri

Year 2018, Volume: 11 Issue: 3, 203 - 207, 01.09.2018

Gülcan Avcı , Yavuz Osman Birdane , Mehmet Özdemir İsmail Kücükkurt , Abdullah Eryavuz

https://doi.org/10.30607/kvj.397352

Cited By: 1

Abstract

Bu çalışma,
yüksek diyetli nitrat alımı ve inorganik kükürt ilavesinin Ankara keçilerindeki
tiroid hormonlarına etkisini belirlemek amacıyla yapıldı. Çalışmada, yaklaşık
14 aylık yaştaki 18 erkek Ankara keçisi 3 gruba bölündü: kontrol grup bazal
diyetle beslendi, nitrat grubu 1500 ppm nitrat 
ilave edilen bazal diyetle beslendi ve nitrat+kükürt grubu 1500 ppm
nitrat ve %1.8 sodyum sülfat ilave edilen bazal diyetle beslendi. Çalışmanın
45., 90., 135. ve 180. günlerinde serum örneklerinde tiroid uyarıcı hormon
(TSH), total ve serbest triiyodotironin (TT₃ veFT₃)
ve tetraiyodotironin (TT₄ ve FT₄) düzeyleri ölçüldü. 180.
günde, TT₄ hariç, serum TSH, total ve serbest T₃ ve serbest T₄
konsantrasyonları nitrat+kükürt grubunda 
kontrol ve nitrat grubundan daha yüksekti (P<0.01). Bu çalışma, Ankara
keçilerinin tiroid hormonları dikkate alındığında 1500 ppm nitrat içeren bir
beslemeyi tolere edebileceğini ve inorganik kükürdün doza bağlı olarak tiroid
hormonları üzerine yüksek nitratlı diyetin olumsuz etkilerini hafifletmek
için  doğal bir kaynak görevi
görebileceğini önermektedir.

Keywords

Ankara keçisi, Kükürt, Nitrat, Tiroid hormonları

Effects of Sulfur Supplementation on Thyroid Hormones in Angora Goats Fed With a High-Nitrate Diet

Abstract

This
study was to aimed for determination the effect of high dietary nitrate intake and inorganic
sulphur supplementation on thyroids hormones in Angora goats. In this study, eighteen male Angora
goats aged 14 months were  divided into
three groups (n = 6):   control group fed with a basal diet, nitrate
group fed with a basal diet supplemented with 1500 ppm nitrate, and nitrate +
sulfur group fed with a basal diet supplemented with 1500 ppm nitrate and 1.8%
sodium sulfate. On days 45, 90, 135, and 180 of the study, the concentrations
of the thyroid-stimulating hormone (TSH), total and free triiodothyronine (TT₃
and FT₃),
and tetraiodothyronine (TT₄ and FT₄) were measured in the serum samples.
On day 180, except for TT₄, the serum TSH and total and free T₃
and free T₄ concentrations were higher (P<0.05) in the nitrate +
sulfur group than in the control and nitrate groups. This study suggested that Angora
goats could tolerate a feed containing 1500 ppm nitrate with respect to the
thyroid hormones, and inorganic sulfur might serve as a natural source for
alleviating the negative effects of the high-nitrate diet on the thyroid gland
in a dose-dependent manner. 

Keywords

Angora goat, Nitrate, Sulfur, Thyroid hormones

References

• Bartik M, Piskac A. Intoxication of animals by inorganic poisons. In, Bartic M. and Piskac A. (eds): Veterinary Toxicology, Elseiver Scientific Publishing Company, 47-59, Amsterdam-Oxford-Newyork, 1981.
• Bruning-Fann CS, Kaneene JB. The effects of nitrate, nitrite and N-nitroso compounds on human health: A review. Vet Hum Toxicol. 1993; 35: 521-538.
• Burrows GE, Horn GW, Mcnew RW, Croy LI, Keeton RD, Kyle J. The prophylactic effect of corn supplementation on experimental nitrate intoxication in cattle. J Anim Sci. 1989; 64: 1682-1989.
• Carneiro H, Puchala R, Owens FN, Sahlu T, Qi K, Goetsch AL. Effects of dietary sulfur level on amino acid concentrationsin ruminal bacteria of goats. Small Rum Res. 2000; 37: 151-157.
• Cheng KJ, Philippe RC, Majak W. Identification of rumen bacteria that anaerobically degrade nitrite. Can J Microbiol. 1988; 34: 1099-1102.
• Chow CK, Hong CB. Vitamin E and selenium and toxicity of nitrite and nitrate. Toxicology. 2002; 180: 195-207.
• Eskiocak S, Dundar C, Basoglu T, Altaner S. The effects of taking chronic nitrate by drinking water on thyroid functions and morphology. Clin Exp Med. 2005; 5: 66-71.
• Georgiev P, Nikolov I, Simeonov SP, Iordanova V. Dynamics of thyroid hormones and hematological and biochemical indices in chronic nitrate poisoning in sheep. Vet Med Nauki.1987, 24; 58-62.
• Jahreis G, Hesse V, Schone F, Hennig A, Gruhn K. Effect of chronic dietary nitrate and different iodine supply on porcine thyroid function, somatomedin-C-level and growth. Exp Clin Endocrinol. 1986; 88: 242-248.
• Jordao CP, Pereira MG, Bellato CR, Pereira JL, Matos AT. Assessment of water systems for contaminants from domestic and industrial sewages. Environ Monit Assess. 2002; 79: 75-100.
• Kaya S, Bilgili A, Liman BC, Dogan A. Çeşitli yem ve yem hammaddelerinden nitrat ve nitrit düzeyleri üzerine bir araştırma. A Ü Vet Fak Derg. 1989; 36: 455-466.
• Keçeci T, Keskin E. Zinc supplementation decreases total thyroid hormone concentration in small ruminants. Acta Veterinaria Hungarica. 2001; 50: 93-100.
• Kostogry RB, Paweł M, Pisulewski PM, Pecio A, Filipiak-Florkiewicz A. Goitrogenic effects of allyl isothiocyanate, nitrate and nitrite in rats and alleviating properties of iodine and selenium supplements rumen micro-organisms. Br J Nutr. 1989; 61: 741-748.
• Mensinga TT, Speijers GJ, Meulenbelt J. Health implications of exposure to environmental nitrogenous compounds. Toxicol Rev. 2003; 22: 41-51.
• National Research Council. Nutrient requirements of goats: Angora, dairy and meat goats in temperate and tropical countries. Washington, DC. USA: The National Academies Press, 1981. https://doi.org/10.17226/30
• Nlend MC, Cauvi D11, Venot N, Chabaud O. Sulfated tyrosines of thyroglobulin are ınvolved in thyroid hormone synthesis. Biochem Biophys Res Commun. 1999; 262:193-197.
• Ozdemir M, Eryavuz A, Avci G, Birdane YO, Kucukkurt I. Effects of supplementation of inorganic sulfur on some biochemical parameters in Angora goat’s diet containing high nitrate levels. Turk J Vet Anim Sci. 2014; 38: 526-533.
• Pirincci I, Acet A. Yemlerde nitrat ve nitrit düzeyleriyle ilgili çalişmalar. A Ü Vet Fak Derg.1984; 31: 41-52.
• Puchala R, Prieto I, Banskalieva V, Goetsch AL, Lachica M, Sahlu T. Effects of bovine somatotropin and thyroid hormone status on hormone levels, body weight gain, and mohair fiber growth of Angora goats. J Anim Sci. 2001; 79: 2913-2919.
• Simon C, Bosted H, Adams W. Juvenile goiter in a goat herd in northwest Germany. Schweiz Arch Tierheilkd. 2000;142: 339-347.
• Takahashi J, Ikeda M, Matsuoka S, Fujita H. Prophylactic effect of L-cysteine to acute and subclinical nitrate toxicity in sheep. Anim. Feed Sc. Technol.1998; 74: 273-280.
• Takahashi J, Johchi N, Fujita H. Inhibitory effects of sulfurcompounds, copper and tungsten on nitrate reduction by mixed rumen micro-organisms. Br J Nutr. 1989; 61: 741-748.