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Untitled - Faculdade de Medicina Veterinária e Zootecnia - Unesp

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Peeva, T.Z. 1981. Study on type and body-build of the buffalo population raised in Bulgaria. Ph.<br />

D. Thesis, Sofia.<br />

Peeva T.Z., A. Alexandrov. 1993. Comparative evaluation of type and build of buffalo cows.<br />

Zhivotnovadni Nauki, 30:35-39.<br />

Peeva, T.Z. 2000. Optimized selection methods in buffaloes. Dr.Sci. Thesis, Sofia.<br />

Penchev, P. 1999. A study on the phenotypic and genotypic parameters of selection traits in the newly<br />

created buffalo population in Bulgaria. Ph.D Thesis, Sofia.<br />

Saini A. and R.S. Gill. 1984. Physical factors affecting scorecard judging and its relationship with<br />

yield in buffaloes. In: 7th Workshop of all India Coordinated Research Project on Buffalo<br />

Breeding. PAU, Ludhiana, India. pp. 56-59.<br />

Sharma, R.C. And B.P. Singh. 1988. Genetic studies on Murrah buffaloes in livestock farms in<br />

Uttar Pra<strong>de</strong>sh. In: Proceedings II -nd World Buffalo Congress. 12-16 December, New Delhi,<br />

India. Vol. 2:128-133.<br />

Vankov, K.1980. Establishing phenotypic and genotypic parameters of the selection traits in<br />

buffaloes in Bulgaria. D.Sci.Thesis, Sofia.<br />

Velea, C. 1991. The Roumanian breed of buffalo. In: Proceedings of the Third World Buffalo<br />

Congress. 13-18 May, 1991, Varna, Bulgaria. 2:486-490.<br />

Valea, C., I. Bud, Gh. Muressan, V. David, M. Vomir, C. Cristea and L. Lisei. 1991. The main milk<br />

traits of Romanian buffaloes breed. In: Proceedings of the Third World Buffalo Congress.<br />

13-18 May, 1991, Varna, Bulgaria. 2: 494-499.<br />

Table1. Number of buffaloes according to Agrostatistics, Ministry of Agriculture, 2011<br />

Years<br />

2000 2002 2004 2006 2008 2010 2011 2011:2010<br />

Total 9000 7500 8000 8200 9200 9200 9900 +7.6%<br />

Buffalo cows 5200 3900 4100 4800 5300 5400 6300 +11.7%<br />

Table 2. Body weight of breeding animals<br />

Age, mo Male Female<br />

Body weight, kg Daily gain, g Body weight, kg Daily gain, g<br />

6 150 650 140 600<br />

12 280 680 270 650<br />

18 360 600 350 580<br />

24 470 600 400 300<br />

36 600 520 550 250<br />

Table 3. Phenotypic and genetic parameters of the selection traits<br />

№ Traits Values of<br />

parameters<br />

1. 305-day milk yield at 1-st lactation, kg 1700<br />

2. Fat content in milk,% 7.55<br />

3. Average number of lactations 4<br />

4. Maximum number of lactations 10<br />

5

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