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The Ongole breed of cattle, which thrived within the fertile plains between the rivers Musi and Paleru in Prakasam district for hundreds of years, had been on the verge of extinction within the land of its origin owing to numerous causes, together with farmers changing the Ongole bull with tractors for agriculture.
However, higher days are within the offing for the indigenous breed with State-owned Cattle Breeding Farm at Chadalawada stepping in to supply this breed of cattle utilizing In-vitro fertilization-embryo switch (IVF-ET) know-how. A pilot taken up by the farm beneath the Rashtriya Gokul Mission has paid off with a surrogate cow delivering a Ongole breed calf within the subject stage on September 12. Surrogacy calves had hitherto been bred largely in labs.
‘’We have efficiently taken the superior reproductive know-how to farmers for the primary time for sooner multiplication of the Ongole breed superior germplasm,” says deputy director of the farm B. Ravi. Showing the surrogate cow and the Ongole breed calf it delivered at Sri Lakshmi Narasimha Swamy Goshalaat Bollapalli village close to Martur, he instructed The Hindu, “So far, 10 veterinarians have been trained on IVF-ET, and we are getting positive results.”
Last 12 months, a cow from an indigenous breed was implanted with Gir embryo utilizing ET know-how and it gave delivery to a high-genetic worth calf on the Chadalawada farm.
The animal husbandry divisionis planning to supply over 250 head of the Ongole breed cattle utilizing the IVF-ET know-how within the district this 12 months. The know-how allows manufacturing of calves with fascinating genetic options in a brief time frame and thereby assist farmers enhance milk manufacturing and leverage the demand for Ongole ‘A2 cow milk’ (A2 allele of Beta Casein), which fetches a premium value out there owing to its purported well being advantages.
Giving the chronology of IVF-ET initiative, he mentioned an Ongole cow (D664) was subjected to oocytes aspiration via trans-vaginal ultrasound guided ovum-pick up at IVF-ET lab, Lam Farm. These oocytes, after maturation, had been invitro fertilized with semen of an Ongole bull (O2299).
Following the in-vitro fertilization and in-vitro tradition (IVC), embryos had been frozen, preserved and transported to the sector beneath managed situations. The surrogate cow of the goshala in its pure cycle (warmth) was chosen for embryo switch. On November 21, 2022, the frozen Ongole embryo was transferred into the cow, which was confirmed pregnant 90 days submit the embryo switch.
The group of veterinarians concerned within the course of are: Dr. T. Sreemannarayana, VAS, APLDA (oocytes assortment); Dr. N.R. Srikanth, scientist at Livestock Research Station (in-vitro embryo manufacturing); Dr. Madhavi Latha, VAS, Kolalapudi (recipient choice); Dr. M. Somasekhar, VAS, Chadalawada (embryo switch).
Notably, Brazil has already taken steps to protect this versatile breed.
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